Side-by-side published prices, limits and sources. Not a quality ranking. The vendor page remains authoritative.
When to pick which
FLUX: FLUX from Black Forest Labs includes image and video models. FLUX.2 generates and edits images using references; FLUX 3 is a preview model for video with synchronised sound. Text or image inputs produce clips of 5 to 20 seconds; continuation of existing video produces 5 to 15 seconds. FHD output uses an upsampler; the documentation specifies 1920 × 1088 pixels for 16:9. Entry: Free plan; first paid plan: FLUX.2 [klein] 4B. Leonardo.Ai: Leonardo.Ai is a visual content platform focused on game assets and concept illustration. Users generate images, train their own models on their style references, and animate images into short videos. Entry: Free plan; first paid plan: Essential. The deciding factors are the actual workflow and the published plan and usage terms.
Differences at a glance
Free access: FLUX as Free plan; Leonardo.Ai as Free plan.
Paid entry in the catalog: FLUX FLUX.2 [klein] 4B; Leonardo.Ai Essential. Amounts are in the table and follow the price region.
FLUX: FLUX.2 for images, FLUX 3 Preview for video with synchronised audio
FLUX: FLUX.2 [klein] 4B under Apache 2.0; 9B has separate licensing
Leonardo.Ai: High-quality image generation for game assets, concept art, and illustrations
Leonardo.Ai: Training your own AI models on your image datasets
FLUX vs Leonardo.Ai
Criterion
FLUX
Leonardo.Ai
Free access
Free plan
Free plan
Paid from
FLUX.2 [klein] 4B · $0.014Image
Essential · 12 $ per month, plus taxMonth
Published plans by vendor
Each vendor separately. The same row does not mean the same plan. Prices follow the selected price region.
FLUX
FLUX.2 [klein] 4B · $0.014Image
FLUX.2 [klein] 9B · $0.015Image
FLUX.2 [pro] · $0.03Megapixels
FLUX.2 [flex] · 0.06 $ per megapixelMegapixels
FLUX.2 [max] · $0.07Megapixels
FLUX.2 [dev] · Not verified for this market;
FLUX 3 Video · $0.17second
Builder (model licence) · contact salescontract · Own infrastructure and running costs separate; not an API package
Platform (model licence) · contact salescontract · Own infrastructure and running costs separate; not an API package
Professional (model licence) · contact salescontract · Own infrastructure and running costs separate; not an API package
Synthetic Data (model licence) · contact salescontract
FLUX Video Upscale Precise · $0.07output megapixel-second
FLUX Video Upscale Creative · $0.10output megapixel-second
FLUX from Black Forest Labs includes image and video models. FLUX.2 generates and edits images using references; FLUX 3 is a preview model for video with synchronised sound. Text or image inputs produce clips of 5 to 20 seconds; continuation of existing video produces 5 to 15 seconds. FHD output uses an upsampler; the documentation specifies 1920 × 1088 pixels for 16:9.
For your own infrastructure, FLUX.2 [klein] 4B is available under Apache 2.0. Other open models have different licence conditions. The API and Playground charge by usage; self-hosting, commercial model licences and compute costs are separate. No fixed free API starter credit is specified on the current pricing and getting-started pages.
Leonardo.Ai is a visual content platform focused on game assets and concept illustration. Users generate images, train their own models on their style references, and animate images into short videos.
The free account provides 150 credits daily. Artisan starts at $12 with 8,500 credits per month. Details on credits per feature and higher plans are in the pricing overview.
The cheaper paid entry is Leonardo.Ai at 12 $ per month, plus tax, against $0.014 for FLUX. That is the vendor's list price; regional prices can differ.
Can FLUX and Leonardo.Ai be tried for free?
FLUX: Free plan. Leonardo.Ai: Free plan.
Where are the vendors of FLUX and Leonardo.Ai based?
Are FLUX and Leonardo.Ai listed in the same category?
FLUX is listed under the “Design & Image” category, Leonardo.Ai under “Design & Image.”
How many pricing tiers do FLUX and Leonardo.Ai offer?
FLUX documents 14 plans, Leonardo.Ai documents 4 plans, each with price, billing period, and included features.
Where do the price and product details for FLUX and Leonardo.Ai come from?
For FLUX and Leonardo.Ai, prices, limits, and product details are each based on the current official vendor page. Missing values stay marked as not published rather than being estimated.
