Smallest.ai
Voice AI platform offering low-latency (sub-100ms) text-to-speech, speech-to-text, and voice agents for enterprises.
At a Glance
Smallest.ai is an AI tool for Voice & speech (category: Audio & Voice). Free access: Free plan. Documented: 2 plans with prices and limits.
- Category
- Voice & speech
- Paid from
- contact sales / Contract (Enterprise)
- Free Option
- Free plan
- Plans
- 2
- Sources
- 2 verified sources
Category: Audio & Voice · Voice & speech
Features
Smallest AI is a voice API platform that provides text-to-speech (below 100 ms latency), speech-to-text, and post-hoc voice modification via API, specifically designed for developers of real-time voice applications such as conversational AI, call-centre automation, and live translation.
Billing is fully usage-based without a minimum fee; developers can work via WebSocket streaming live or asynchronously via webhook and choose from over 50 voices in multiple languages.
- Text-to-speech API with latency below 100 milliseconds for real-time voice applications
- Speech-to-text transcription for conversations and recordings
- Post-hoc voice, tempo, and speaker change via API
- Over 50 voices available in multiple languages
- Usage-based billing without a minimum fee; pay-as-you-go from first use
- Developer API with webhook and WebSocket streaming for live applications
Prices and plans
| Tier | Price | Period | What you get |
|---|---|---|---|
| Pay As You Go | 10 $ starting credit, then 0,09-0.21 $ per minute für Voice Agents plus 0.01 $ per minute Hosting | Usage | Unlimited agents, 20 concurrent calls included |
| Enterprise | contact sales | Contract | 99.99% SLA, on-premise, SSO, SOC2/HIPAA |
Prices per vendor, excl. taxes/VAT where applicable.
Limits
No subscription required; pay-as-you-go with starter credit, then usage-based billing plus add-on costs (phone numbers, knowledge base, SMS, HIPAA add-on $1,000/month). Enterprise pricing on request.
Alternatives and similar tools to Smallest.ai
FAQ
Is Smallest.ai available for free?
Yes. A permanently free plan is published, not a time-limited trial.
Where is the vendor of Smallest.ai based?
Smallest AI, Inc. is based in the USA and India. Regardless of that location, data processing and privacy terms are governed by the vendor's own contract.
How is Smallest.ai billed?
No subscription required. Billing is by usage (pay-as-you-go) with a starting balance, then usage-based plus additional costs (phone numbers, knowledge base, SMS, HIPAA add-on option for $1,000 per month). Enterprise pricing on request.
What plans does Smallest.ai offer?
The catalog documents 2 plans with price, billing period, and included features.
Is Smallest.ai currently available?
Smallest.ai is still active: Active.
How we compare
We compare free access, paid entry, plan limits, features and the listed official sources. Unsourced figures stay marked as not published.
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.
Edited and checked by the AI Compare Ninja team
Sources
All details regarding plans, limits, and features are based on official vendor documentation and the primary sources verified below.
- https://smallest.ai/
- https://smallest.ai/pricing
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