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AI Tools for Agent & RAG frameworks Compared

68 AI tools for Agent & RAG frameworks, part of the Development & Code category, with prices, limits and sources.

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2BA.AI

Agent & RAG frameworks

EU-hosted, OpenAI-compatible coding-agent infrastructure with a flat request window. Not the OpenAI API alone.

Free accessNo free plan published
Paid fromMonthly · €20€20/month, cancel anytime. 4500 requests in a rolling 5-hour window. EU hosted, zero prompt logging.
  • €20/month, 4500 requests / rolling 5 hours
  • EU hosted, zero prompt logging, not the OpenAI API alone

Details Visit site (opens in a new tab)

AgentOps

Agent & RAG frameworks

Developer platform for AI agent observability: traces, session replays, cost tracking across 400+ LLMs and debugging of LLM applications.

Free accessFree plan
Paid fromPro · $40Unlimited event limit and log retention according to the provider
  • SDK for different agent frameworks
  • Cost tracking for over 400 LLMs and replay analysis

Details Visit site (opens in a new tab)

Alibaba Cloud Model Studio

Agent & RAG frameworks

Core capabilities include: Integrate AI models through APIs; Process text, images or audio with suitable models; Deploy models and run inference.

Free accessnot publishedA free AI allowance is not clearly specified.
Paid fromAccess · Not verified for this marketIntegrate AI models through APIs
  • Integrate AI models through APIs
  • Process text, images or audio with suitable models

Details Visit site (opens in a new tab)

Amazon Bedrock

Agent & RAG frameworks

Managed AWS platform for AI models, knowledge bases and agents with usage-based pricing.

Free accessOne-off free allowanceOnly eligible new AWS customers qualify: USD 100 in starting credits, plus up to USD 100 more through activities. These are shared AWS credits, not a permanent free Bedrock plan. The free account ends after 6 months or when the credit runs out.
Paid fromOn-demand / Standard · Not verified for this marketNo single platform price; charges depend on model, modality and AWS Region
  • Models from Amazon, Anthropic, Meta, Mistral and other providers
  • Standard, Priority, Flex, Batch and reserved capacity depending on model

Details Visit site (opens in a new tab)

Anthropic API

Agent & RAG frameworks

Developer API for Claude models with token-based billing, separate from Claude subscriptions.

Free accessNo free plan published
Paid fromClaude Sonnet 5.5 · $2 / $10$2 input and $10 output per MTok. Listed under Latest models.
  • Sonnet 5.5: $2 input and $10 output per million tokens; Sonnet 5 stays the same
  • Opus 5.5: $4 / $20; Opus 5: $5 / $25; Haiku 4.5: $1 / $5 per million tokens

Details Visit site (opens in a new tab)

AutoGPT

Agent & RAG frameworks

AutoGPT builds and operates AI agents with a visual builder or chat, file processing, triggers and schedules. Cloud subscription and workflow usage are billed separately.

Free accessFree planYou can self-host without paying a licence fee. Model APIs, infrastructure and administration are billed separately. The autogpt_platform directory is licensed under PolyForm Shield 1.0, which includes a non-compete restriction that also covers free competing offerings. Outside the Platform directory, MIT applies, including to Classic and the Forge Demo, which need no signup. This is not an ongoing free cloud plan.
Paid fromPro Cloud · 50 USDAutoPilot Chat, visual builder, file agents, triggers and schedules
  • AutoPilot Chat, visual builder, file agents, triggers and schedules
  • Agent and workflow runs require an additional prepaid wallet; absolute chat and storage allowances not stated

Details Visit site (opens in a new tab)

Baichuan

Agent & RAG frameworks

Chinese model API with CNY token pricing and separate search charges; Baixiaoyi is a separate health product.

Free accessOne-off free allowance
Paid fromBaichuan4-Air · 0.00098 / 0.00098 CNY32k API context
  • CNY list prices per 1,000 tokens; input and output separate depending on model
  • M3-Plus and M2-Plus include automatically billed medical search

Details Visit site (opens in a new tab)

Botpress

Agent & RAG frameworks

AI agents and helpdesk with separate conversation and AI-usage budgets.

Free accessFree plan100 conversations. Renewal cadence not clearly stated. 3 seats and 3 AI agents.
Paid fromPlus (annual) · 150 USD250 conversations per month and USD 25 AI-usage budget
  • 100 conversations; renewal cadence not clearly stated
  • 3 seats, unlimited AI agents

Details Visit site Ad · affiliate link. Affiliate link: we may receive a commission if you subscribe. (opens in a new tab)*Affiliate link

BytePlus ModelArk

Agent & RAG frameworks

BytePlus API platform for selectable AI models, inference, fine-tuning and evaluation.

Free accessnot publishedPublic trial quota depends on model. No universal amount is confirmed.
Paid fromKimi K2, online inference · 0.60 USD / 1M input tokensKimi K2: input 0.60 USD/M tokens, cache hit 0.12 USD/M, output 2.50 USD/M; cache storage and batch separate
  • Model-dependent API prices rather than one universal tariff
  • Kimi K2: input 0.60 USD/M tokens, cache hit 0.12 USD/M, output 2.50 USD/M; cache storage and batch separate

Details Visit site (opens in a new tab)

Charisma.ai

Agent & RAG frameworks

Build interactive conversational AI experiences for web, apps, games and training.

Free accessNo free plan publishedNo Free plan publicly listed
Paid fromPro · 5 USD / 50,000 creditsSDK use: 5 USD per 50,000 credits, about 200 experience minutes; technical, production and editorial support
  • SDK credits and fixed platform fee as separate cost components
  • SDK use: 5 USD per 50,000 credits, about 200 experience minutes; technical, production and editorial support

Details Visit site (opens in a new tab)

Cloudflare Clef

Agent & RAG frameworks

Decision models on Workers AI: typed questions in, probabilities out. Not Typesafe Jev and not Cloudflare AI Search.

Free accessNo free plan published
Paid fromClef-flash · 0.09 USD0.09 USD per 1 million input tokens. The card does not publish an output-token price. Context window 65536 tokens.
  • Decision models on Workers AI. Not Typesafe Jev and not Cloudflare AI Search.
  • Clef-flash 0.09 USD per 1 million input tokens. Clef 0.24 USD per 1 million input tokens. No output price on the cards.

Details Visit site (opens in a new tab)

Cohere

Agent & RAG frameworks

Enterprise AI with Command models, search, and private deployments.

Free accessFree plan
Paid fromCommand A · $2.50 / $10Input / output per 1M tokens
  • Command models for enterprise applications
  • Trial keys are free but not production or commercial

Details Visit site (opens in a new tab)

CrewAI

Agent & RAG frameworks

Orchestrate specialised AI agents as crews and controlled flows.

Free accessFree planBasic is free: 50 workflow executions and 2 automations per month. The open-source framework remains free as well.
Paid fromCrewAI Enterprise · contact salesExecutions sized to workflow with flexible overage
  • Open-source framework with no execution quota for self-hosted crews and flows
  • AMP (Agent Management Platform) Basic free: 50 workflow executions per month

Details Visit site (opens in a new tab)

Dify

Agent & RAG frameworks

Build AI apps, agents, RAG knowledge bases, and workflows in cloud or self-hosting.

Free accessFree plan200 message credits, which is about 8-200 responses depending on the model. Includes 5 apps and 50 MB of knowledge storage.
Paid fromProfessional · $59 / $5905,000 message credits/month
  • Sandbox plan: 5,000 message credits per month for AI app responses
  • RAG (Retrieval-Augmented Generation) knowledge base: 5 GB storage on Sandbox plan

Details Visit site (opens in a new tab)

DigitalOcean Agent Droplets

Agent & RAG frameworks

Managed agent runtime on a monthly plan: compute, DigitalOcean-hosted inference, memory, session storage, and tools. Not classic Droplet VMs, not Claude Max, and not the OpenAI Agents API alone.

Free accessFree trialFree Trial is 5 USD in credit for new DigitalOcean customers. The introducing blog says no card is required. Existing customers start on a paid plan.
Paid fromPro · 50 USD50 USD per month, with a 15% discount on included agent usage: inference on DigitalOcean-hosted models, including Kimi K3, GLM 5.3, and Typesafe …
  • A monthly plan covers managed-agent compute, DigitalOcean-hosted inference, memory, session storage, and governed access to 16000+ tools
  • Free Trial is 5 USD in credit for new customers. Pro is 50 USD per month with a 15% discount. Team is 200 USD per month with a 20% discount

Details Visit site (opens in a new tab)

Exa

Agent & RAG frameworks

Provide web search, crawling, contents, monitoring, and deep-research agents through an API.

Free accessFree plan$20 signup + $10 monthly, all endpoints, 5 QPS/3 agents.
Paid fromSearch & contents · $7 / $1Search includes up to 10 results
  • Provide web search, crawling and cleaned page contents through a retrieval API
  • Deep search, monitoring and asynchronous research agents

Details Visit site (opens in a new tab)

fal

Agent & RAG frameworks

Generative media through an API plus serverless GPUs, billed by actual usage.

Free accessNo free plan published
Paid fromImage models · $0.02Seedream V4: $0.03 per image
  • Image, video and audio models from many providers behind one interface
  • Serverless GPUs from H100 to B300, billed hourly

Details Visit site (opens in a new tab)

FastGPT

Agent & RAG frameworks

Core capabilities include: Retrieve answers from a custom knowledge base; Connect AI tasks in a visual workflow; Integrate AI models through APIs.

Free accessnot publishedA free AI allowance is not clearly specified.
Paid fromAccess · Not verified for this marketRetrieve answers from a custom knowledge base
  • Retrieve answers from a custom knowledge base
  • Connect AI tasks in a visual workflow

Details Visit site (opens in a new tab)

Fireworks AI

Agent & RAG frameworks

US inference platform built by the creators of PyTorch for fast, cost-efficient deployment of open and proprietary AI models.

Free accessFree plan
Paid fromFireworks AI · H100/H200 8 $, B200 13 $, B300 15 $, GB300 20 $ per GPU hourH100/H200 $8, B200 $13, B300 $15, GB300 $20 per GPU hour
  • US inference platform by PyTorch founders for fast, cost-efficient AI execution
  • Industry-leading inference throughput and low latency

Details Visit site (opens in a new tab)

Google AI Studio

Agent & RAG frameworks

Free developer entry point to the Gemini API with a prompt console; the underlying Gemini Developer API is billed usage-based per token.

Free accessFree plan
Paid fromGemini API (3.8 Flash Standard) · $0.75 / $3.75AI Studio is the free developer UI; billing runs through the Gemini Developer API. Gemini 3.8 Flash intro pricing is $0.75/$3.75 per 1M …
  • Free prompt console with API-key management for the Gemini Developer API
  • Build mode to generate simple apps directly from the console

Details Visit site (opens in a new tab)

Groq

Agent & RAG frameworks

Inference cloud that runs open language, speech-to-text and text-to-speech models on its own hardware (LPU) through an OpenAI-compatible API, billed per token.

Free accessFree plan
Paid fromDeveloper Plan · freeprovider wording: 'When you upgrade, there's no immediate charge - you'll be billed for tokens at month-end or when you reach progressive billing …
  • Inference cloud for open language, speech-to-text, and text-to-speech models
  • Free API access with lower rate limits

Details Visit site (opens in a new tab)

Haystack

Agent & RAG frameworks

Open-source framework for RAG pipelines and AI agents from the German vendor deepset, free to use under the Apache-2.0 license; optionally paired with the hosted deepset AI Platform, which has a free Studio tier.

Free accessFree plan
Paid fromdeepset AI Platform - Enterprise · contact salesUnlimited workspaces, users and files, custom pipeline-hour package, high-availability production pipelines, cloud or custom deployment, dedicated …
  • Open-source framework for RAG pipelines and AI agents under the Apache-2.0 license
  • Connects to OpenAI, Anthropic, Mistral, Hugging Face, Weaviate, Pinecone, and Elasticsearch

Details Visit site (opens in a new tab)

Hugging Face PRO

Agent & RAG frameworks

The AI community platform with a hub for 2M+ models and 500K+ datasets, plus hosting for ML apps (Spaces).

Free accessNo free plan published
Paid fromPRO · 9 $Extended community features, more inference
  • Largest open hub for 2M+ models, 500K+ datasets, and ML applications
  • Spaces: GPU-backed hosting for interactive ML demos and applications

Details Visit site (opens in a new tab)

HyperCLOVA X

Agent & RAG frameworks

NAVER's (Korea) flagship large language model, offered as an enterprise API through CLOVA Studio with strong Korean-language and cultural understanding.

Free accessNo free plan published
Paid fromCLOVA Studio Basic · contact salesCloud deployment; NAVER Cloud operates data center and security policy
  • Large Korean language model deeply specialised in Korean language and culture
  • Multimodal processing of text, image, and audio in one model

Details Visit site (opens in a new tab)

IBM watsonx.ai

Agent & RAG frameworks

IBM's foundation-model and ML platform, self-serve via IBM Cloud without needing to contact sales.

Free accessFree plan
Paid fromEssentials · contact salesProduction deployments with model- and feature-specific pay-as-you-go pricing
  • Foundation model platform for training, fine-tuning, and deploying AI models
  • Free Toolbox: up to 300,000 foundation-model tokens, 20 compute usage hours, and 100 documents monthly

Details Visit site (opens in a new tab)

JevStation

Agent & RAG frameworks

Separate workspace for typed decisions with Jev, Clef, Perplexity Decider and OpenAI Luna Decisions on the same API key.

Free accessFree plan
Paid from5,000 credits · 9.90 USD5,000 credits
  • Playground without an account, saved threads, batch and MCP at https://jevstation.com/api/mcp.
  • 50 credits on sign-up, valid 30 days, and 3 playground runs each day without an account.

Details Visit site (opens in a new tab)

Kapa.ai

Agent & RAG frameworks

Serve technical docs, code, tickets, and community knowledge through cited agents, API, or MCP.

Free accessFree trial14 days free: one index with limited usage, Retrieval API, and hosted MCP.
Paid fromKapa platform · contact salesPlatform fee based on needs
  • Serve technical docs, code, tickets, and community through cited agents
  • 30+ sources including docs, GitHub, PDFs and community

Details Visit site (opens in a new tab)

Krutrim Cloud

Agent & RAG frameworks

Ola Krutrim's India-based AI cloud platform offering GPU compute and storage in rupees, not a consumer chatbot.

Free accessFree plan
Paid fromCPU-1x-4GB · 3.00 ₹ with usage-based billing (2.85 ₹ with a monthly reservation, 2.70 ₹ with 6-monatiger Reservierung)1 vCPU / 4 GB
  • Indian cloud offering with GPU infrastructure for AI training and inference workloads
  • CPU instances from 3 INR per hour; A100-80GB instances from 189 INR per hour

Details Visit site (opens in a new tab)

Langflow

Agent & RAG frameworks

Visual low-code builder for assembling AI agents, RAG applications and MCP servers by drag and drop and exposing them as an API.

Free accessFree plan
Paid fromnot published
  • Visual low-code toolkit for AI agents, RAG applications, and MCP servers
  • Fully open-source and self-hostable with no licensing costs

Details Visit site (opens in a new tab)

LangGraph

Agent & RAG frameworks

Program stateful agent workflows and observe or deploy them through LangSmith.

Free accessFree plan1 seat and 5,000 base traces per month. LangGraph itself is free to self-host.
Paid fromLangSmith Plus · $3910,000 base traces/month
  • Programmable Python framework for long-running, stateful, and cyclic AI agents
  • Human-in-the-loop and persistent state management for production agents

Details Visit site (opens in a new tab)

LangSmith

Agent & RAG frameworks

Trace, evaluate, deploy, and run agents with compute/storage units and a model gateway.

Free accessFree plan1 seat, 5,000 base traces, 5 Fleet LCU, and 5 LCU + 1 LSU sandbox/month.
Paid fromPlus · $39Unlimited seats at per-seat price
  • Tracing, evaluation, and deployment for LLM agents and other frameworks
  • Developer plan free for one user and 5,000 traces per month

Details Visit site (opens in a new tab)

LlamaIndex

Agent & RAG frameworks

Parse, structure, index, and serve documents as RAG or document agents.

Free accessFree plan10,000 credits/month ≈ about 1,000 typical parsing pages.
Paid fromLlamaCloud Starter · $5040,000 credits/month included
  • Open-source framework for RAG (Retrieval-Augmented Generation), data connectors, and agents
  • LlamaParse: structured extraction from PDFs and complex documents

Details Visit site (opens in a new tab)

LM Studio

Agent & RAG frameworks

Desktop app for running open-source LLMs locally.

Free accessFree plan
Paid fromCloud credits (optional) · pay as you goCloud inference for frontier models
  • Run open-source LLMs locally on the desktop
  • Bionic Agent for local agent workflows

Details Visit site (opens in a new tab)

Lyzr

Agent & RAG frameworks

Enterprise platform for deploying and governing AI agents, billed per agent run.

Free accessNo free plan published
Paid fromLyzr Cloud · $0.08$0.08 per agent run, managed cloud
  • One price per run instead of seat licences
  • Choice between managed cloud and your own VPC or on-premises

Details Visit site (opens in a new tab)

Mastra

Agent & RAG frameworks

Open-source TypeScript framework for agents, workflows, memory, MCP, and evals, plus Mastra Platform with Studio, Server, and Memory Gateway.

Free accessFree plan
Paid fromTeams · $250Platform Teams $250/month. 1M events, 250 CPU hours, 100GB egress, 6-month retention.
  • Platform Starter $0, Teams $250 / month
  • TypeScript agents plus platform; not LangChain alone

Details Visit site (opens in a new tab)

Maximem Synap

Agent & RAG frameworks

Persistent memory and context layer for AI agents with retrieval modes, compaction, and A2A. Not Mem0 alone.

Free accessFree trial
Paid fromStarter · $19Launch offer $19/month instead of $49, currently active. 62,500 credits, 3 agents, overage $1.00 / 1K credits.
  • Starter launch $19, Pro $249, Scale $999
  • Agent memory, not Mem0 alone

Details Visit site (opens in a new tab)

MaxKB

Agent & RAG frameworks

Self-hosted AI agents with knowledge bases, RAG and visual workflows.

Free accessFree plan
Paid fromProfessional · 48,000 CNYPerpetual licence for one deployment instance
  • Prepare documents for knowledge-grounded answers
  • Connect workflows, functions and MCP tools

Details Visit site (opens in a new tab)

Meta Model API

Agent & RAG frameworks

Meta's developer API for Muse Wonder (preview, 2026-10-12) and Muse Spark 1.3, billed per token.

Free accessnot published
Paid fromStandard · $1.25 / $4.25Models muse-spark-1.3, 1.2, 1.1
  • Muse Wonder (preview, 2026-10-12) for agentic tasks and coding, Standard mode only
  • Muse Spark 1.3 remains the lower-priced standard model for agentic coding

Details Visit site (opens in a new tab)

Microsoft AutoGen

Deprecated

Agent & RAG frameworks

Maintain existing multi-agent applications and migrate them to Microsoft Agent Framework.

Free accessFree planSoftware free but in maintenance mode. Model and infrastructure costs separate.
Paid fromMicrosoft Agent Framework 1.0 · freeGA since April 2, 2026
  • Stable APIs and long-term community support following GA release on April 2, 2026
  • Multi-agent orchestration with Model Context Protocol (MCP) and Agent-to-Agent (A2A) communication

Details Visit site (opens in a new tab)

Microsoft Copilot Studio

Agent & RAG frameworks

Microsoft's low-code platform for building and customizing custom AI agents.

Free accessFree trialA free trial is offered. Its duration and credit allowance are not published on the pricing page.
Paid fromPay-as-you-go · $0.01Billed via Azure subscription
  • Low-code builder for custom AI agents without coding skills
  • 25,000 credits per month with no rollover

Details Visit site (opens in a new tab)

Build, ground, and manage AI models and agents on Azure; each service is billed separately.

Free accessFree trial
Paid fromGPT-6 Astra Standard Global (Short Context) · 10 / 50 USDUp to 272,000 input tokens
  • Models, Agent Service, and your data sources in one Azure platform
  • Governance, access controls, and evaluation; compliance still depends on configuration

Details Visit site (opens in a new tab)

Milliseconds

Agent & RAG frameworks

decision-machine-1: classify, extract, and decide through an API. Text or image in, structured values out. Not a chat model.

Free accessFree plan
Paid frompay as you go · $0.04Production $0.04 per million input tokens. Output tokens $0. The schema.org offer and docs pricing page confirm the same rate.
  • 125M free input/month, production $0.04 / MTok, output $0
  • Structured decisions, not a chat LLM and not TypeSafe Jev

Details Visit site (opens in a new tab)

MindStudio

Agent & RAG frameworks

Visually build AI agents, run them through triggers, and power them with 200+ models without provider accounts.

Free accessFree plan1 agent and 1,000 runs/month. Model costs separate.
Paid fromIndividual · $20 / $16Unlimited agents
  • Visual agent builder for trigger-based automations without coding skills
  • 200+ language models via Service Router or Bring Your Own Key (BYOK)

Details Visit site (opens in a new tab)

MiniCPM

Agent & RAG frameworks

Core capabilities include: Run models on local devices; Process text, images or audio with suitable models; Integrate models into custom applications.

Free accessnot publishedA free AI allowance is not clearly specified.
Paid fromAccess · Not verified for this marketDownload and self-hosting are documented. Model APIs, hardware and hosting may incur additional costs; separate licence conditions apply.
  • Run models on local devices
  • Process text, images or audio with suitable models

Details Visit site (opens in a new tab)

Monid

Agent & RAG frameworks

Directory and runtime for more than 1,700 agent tools, paid per call, usable through MCP, skill or CLI.

Free accessNo free plan published
Paid fromPay-per-call · contact salesPER_CALL: flat amount per execution, regardless of the number of hits
  • No subscription and no framework contract; only actual usage is billed
  • Per-endpoint price visible before and after execution

Details Visit site (opens in a new tab)

NVIDIA Nemotron

Agent & RAG frameworks

Open NVIDIA model family with weights, training data, and recipes for specialized AI agents, plus a prototype API through NVIDIA NIM.

Free accessFree trial
Paid fromProduction · contact salesUltra page: prototype on the free API endpoint, scale through partner endpoints or self-hosted deployments
  • Open weights, training data, and recipes; Hugging Face download named on the topic page
  • Nemotron 3: hybrid Mamba-Transformer MoE, context up to 1 million tokens according to NVIDIA

Details Visit site (opens in a new tab)

OpenAI Agents API

Agent & RAG frameworks

OpenAI-hosted, managed Codex harness API for durable cloud agents with sessions, context compaction, subagents, and MCP connectivity.

Free accessNo free plan published
Paid fromAgents API (Public Beta) · contact salesSessions, context compaction, and recovery managed server-side; up to 4 parallel subagents
  • OpenAI-managed Codex harness instead of building your own: sessions, compaction, and subagent orchestration run server-side
  • No harness fee; billing runs through standard model token prices, tool rates, and an optional container sandbox

Details Visit site (opens in a new tab)

OpenAI API

Agent & RAG frameworks

OpenAI's general developer API for text, agents, realtime voice, embeddings and more, billed usage-based per token.

Free accessNo free plan published
Paid fromOpenAI API · $10 / $50Access to the GPT-6 flagship family (Astra, Sol, Luna) and the GPT-5.6 family (Sol/Terra/Luna), Agents SDK, Responses API
  • Access to GPT-6 Astra/Sol/Luna, the GPT-5.6 family, o-models, Whisper, TTS, and embeddings through one REST API
  • Customizable Agents SDK with precise handoff rules for multi-step AI agents

Details Visit site (opens in a new tab)

OpenRouter

Agent & RAG frameworks

A unified API and marketplace for accessing 500+ LLMs from many providers through one shared credit balance.

Free accessNo free plan published
Paid fromOpenRouter · buy credits, no subscription; prices vary by modelAccess to 500+ models from 80+ providers through a single API
  • Access to 500+ LLMs (Large Language Models) from 80+ providers via a single API
  • One shared credit balance for all models, no separate account per provider needed

Details Visit site (opens in a new tab)

Promptic

Agent & RAG frameworks

Evaluation and optimization for prompts, models, and agents, with tracing and Promptic Credits. Prices in EUR.

Free accessFree plan
Paid fromTeam · €149€149/month. 1 AI application included, extra app €100. 1000000 credits, overage €10 per 100000.
  • Free €0, Team €149, Business €599
  • Euro prices without conversion, not LangSmith alone

Details Visit site (opens in a new tab)

RAGFlow

Agent & RAG frameworks

Core capabilities include: Parse documents into structured content; Combine vector and keyword search; Connect AI tasks in a visual workflow.

Free accessFree plan500 credits / month
Paid fromCloud Starter · month · 29 USD5000 credits / month
  • Parse documents into structured content
  • Combine vector and keyword search

Details Visit site (opens in a new tab)

Reflexio

Agent & RAG frameworks

Learning platform that turns corrections into reusable behavior for AI agents.

Free accessFree plan
Paid fromPro · $29910M input tokens, 10K learnings, and 100K searches/month
  • 100,000 input tokens, 100 learnings, and 1,000 searches/month

Details Visit site (opens in a new tab)

Replicate

Agent & RAG frameworks

Pay-as-you-go API to run and host open AI models in the cloud without managing infrastructure.

Free accessFree plan
Paid fromPay-as-you-go (public models) · pay as you goAccess to 50,000+ hosted models
  • Run public AI models in the cloud without owning GPUs
  • Build and host your own models with Cog

Details Visit site (opens in a new tab)

RunningHub

Agent & RAG frameworks

Core capabilities include: Run ComfyUI workflows on cloud resources; Connect AI tasks in a visual workflow; Integrate AI models through APIs.

Free accessnot publishedA free AI allowance is not clearly specified.
Paid fromAccess · Not verified for this marketRun ComfyUI workflows on cloud resources
  • Run ComfyUI workflows on cloud resources
  • Connect AI tasks in a visual workflow

Details Visit site (opens in a new tab)

SenseNova

Agent & RAG frameworks

SenseTime's multimodal AI platform, offering consumer chat apps and an OpenAI-compatible developer API.

Free accessnot published
Paid fromSenseNova V6 Pro · ¥3 / ¥93 CNY input, 9 CNY output per 1M tokens
  • Multimodal AI platform with chat, image generation, video creation, and speech synthesis
  • OpenAI-compatible API for easy switching without code refactoring

Details Visit site (opens in a new tab)

SiliconFlow

Agent & RAG frameworks

Chinese AI inference marketplace offering 200+ open and proprietary models via API, comparable to Together AI.

Free accessnot published
Paid fromGLM-5.3 · ¥8 / ¥28 / ¥28 CNY input, 28 CNY output, 2 CNY cached input
  • Over 200 open and proprietary AI models accessible via a unified OpenAI-compatible API
  • Pay-as-you-go billing with no base fee; free models included

Details Visit site (opens in a new tab)

Stack AI

Agent & RAG frameworks

Build enterprise AI agents and multimodal workflows with data sources, code, APIs, and knowledge bases.

Free accessFree plan500 runs/month, two projects, one seat.
Paid fromEnterprise · contact salesCustom runs and seats, unlimited projects
  • Build enterprise AI agents and multimodal workflows with data sources, code execution, and APIs
  • Over 40 data sources including Google Drive, Notion, Salesforce, and SharePoint for RAG pipelines

Details Visit site (opens in a new tab)

Takibi Base

Agent & RAG frameworks

Takibi Base is a shared knowledge base. Agents retrieve exact cited passages through the CLI or API. Takibi does not write answers itself.

Free accessFree trial
Paid fromEmber · €1818 EUR a month, excluding VAT, for 2 hired Profiles.
  • Agents get cited source passages, not an answer written by Takibi.
  • Profiles control folder access and keys.

Details Visit site (opens in a new tab)

Together AI

Agent & RAG frameworks

Cloud platform where developers run open AI models via API, fine-tune them and rent dedicated GPUs.

Free accessNo free plan published
Paid fromServerless Inference (Pay-as-you-go) · $0.03Examples per 1M tokens (input/output): gpt-oss-20B USD 0.05 / 0.20; LFM2.5-8B-A1B USD 0.03 / 0.12; gpt-oss-120B USD 0.15 / 0.60; Llama 3.3 70B USD …
  • Run, fine-tune, and host open models on rented GPUs
  • Serverless inference plus a Batch API at half the real-time rate

Details Visit site (opens in a new tab)

TrueForge

Agent & RAG frameworks

Open-source, vendor-neutral agent harness (MIT) with sandbox, sessions, subagents, and approvals, self-hosted via a single npx command.

Free accessFree plan
Paid fromHarness (MIT, self-hosted) · freeMIT license, fully open source; self-host with one command (`npx @truefoundry/trueforge@latest`)
  • MIT license, fully open source and vendor-neutral: works with any commercial or open LLM
  • Self-host with a single command (`npx @truefoundry/trueforge@latest`), no further infrastructure needed

Details Visit site (opens in a new tab)

Twigg

Agent & RAG frameworks

Hosted context store, assembler, and model router: create a chat once, send only the next event.

Free accessNo free plan published
Paid fromPrepaid usage · 5%5% platform margin over provider cost, prepaid balance
  • Context stays with the host, model choice per turn
  • Token rates include a 5% margin, prepaid instead of a seat SKU

Details Visit site (opens in a new tab)

TypeSafe Jev

Waitlist

Agent & RAG frameworks

System One model Jev: typed decisions for software, not a chat assistant.

Free accessNo free plan published
Paid fromJev Early Access · $0.042Input $0.042 / MTok ($42 per billion); output FREE (too cheap to meter)
  • Input $0.042 / MTok, output FREE
  • Jev is not a chat LLM; typed System One decisions

Details Visit site (opens in a new tab)

Upstage Solar

Agent & RAG frameworks

Enterprise-grade large language model family from South Korean AI company Upstage, optimized for speed and groundedness.

Free accessFree plan
Paid fromUpstage Solar · Solar Pro 4: 0.30 $ / 1.20 $ per 1M tokens (0.03 $ / 0.12 $ until 2026-09-11 00:00 UTC; 0.09 $ / 0.36 $ until 2026-10-10 00:00 UTC); Solar Pro 3: 0.15 $ / 0.60 $ per 1M tokensLeading Korean LLM family focused on accuracy and low latency
  • Korean language-model family focused on accuracy and low latency
  • Solar Pro 4 and Solar Pro 3 as API models with token billing

Details Visit site (opens in a new tab)

Voiceflow

Agent & RAG frameworks

Platform for designing, testing, and deploying AI voice and chat agents for enterprise CX teams.

Free accessnot published
Paid fromFor Businesses · contact salesImplementation support
  • Design, test, and deploy AI voice and chat agents
  • Multi-LLM support without lock-in to a single provider

Details Visit site (opens in a new tab)

Volcengine Ark

Agent & RAG frameworks

ByteDance Volcengine's official enterprise API/MaaS platform for the Doubao/Seed model family.

Free accessFree plan500,000 trial tokens for selected text models. No blanket conditions or renewal period are specified.
Paid fromDoubao-Seed-Evolving API · CNY 0.006 / 0.03Doubao-Seed-Evolving: CNY 0.006/1,000 input tokens and CNY 0.03/1,000 output tokens in the displayed 0-256k band.
  • Model APIs and agent services from ByteDance Volcengine
  • Doubao/Seed models for text, images, video and speech

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xAI API

Agent & RAG frameworks

xAI's developer API for Grok models (text, coding, image/video), billed usage-based per token.

Free accessFree plan
Paid fromxAI API · $2 / $6API access to Grok 4.7, Grok 4.6, 4.3, and Grok Build (coding)
  • Grok 4 and Grok 3 models with real-time web search
  • Live search across X platform posts as a built-in feature

Details Visit site (opens in a new tab)

Xiaomi MiMo

Agent & RAG frameworks

Xiaomi's family of chat, API, agent, and coding models (MiMo-V2.5, MiMo Claw, MiMo Code) with publicly listed per-token pricing.

Free accessFree plan
Paid fromXiaomi MiMo · $0.435 / $0.87 / $0.14 / $0.28 / $2.5Transparent per-token pricing published directly in official docs
  • Compact open language model focused on reasoning and coding
  • Publicly available on Hugging Face

Details Visit site (opens in a new tab)

XVERSE

Agent & RAG frameworks

Core capabilities include: Use language models for multilingual tasks; Deploy models and run inference; Integrate models into custom applications.

Free accessnot publishedA free AI allowance is not clearly specified.
Paid fromAccess · Not verified for this marketDownload and self-hosting are documented. Model APIs, hardware and hosting may incur additional costs; separate licence conditions apply.
  • Use language models for multilingual tasks
  • Deploy models and run inference

Details Visit site (opens in a new tab)

Alphabetical order. This is not a quality ranking.

Comparison criteria

We compare free access, paid entry, plan limits, features and the listed official sources. Unsourced figures stay marked as not published.

Methodology

Only confirmed entries appear in the catalog. Prices, plans and limits come from listed official vendor pages. Missing figures stay marked as not published. Search results are ordered by Task match by default; category and task lists are alphabetical. Both can be switched to Free access first; neither is a quality ranking. The vendor page always wins.

Is this a ranking?

No. Search results are ordered by Task match by default; category and task lists are alphabetical. Both can be switched to Free access first. We do not award stars or a test winner.

What does "free access" mean for the listed tools?

Free access can mean a permanently free plan, a time-limited trial, or a one-off starting credit with no card required. The exact type is stated on each tool's own page.

How many of the listed tools offer free access?

43 of 68 listed tools offer free access - a permanent plan, a trial, or a no-card credit.

How do I see tools with free access first?

Use the “Free access first” toggle above the list to see tools with free access first.