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Leonardo.Ai vs Tensor.Art

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors. Leonardo.Ai starts at $8.33, Tensor.Art at $9.90. Both have a free tier. Both ship a public API.

Leonardo.AiToken-metered image workspace with fine-tuned model presetsTensor.ArtRuns Stable Diffusion, FLUX and community LoRAs in the browser on a shared model library

Side by side

FactLeonardo.AiTensor.Art
CategoryText-to-Image GeneratorsText-to-Image Generators
Pricing modelFreemiumFreemium
Starts at$8.33 month$9.90 month
Public APIYesYes
PlatformsWeb, API, iOS, AndroidWeb, API
CompanyCanvaTENSOR ART HK LIMITED
Launched2022—
Last verifiedSep 6, 2026Sep 6, 2026

What our research says

Leonardo.Ai

Leonardo is the generator to pick when you need control over the model rather than one house style, and it is the only major one with a real API and custom training. Token accounting is the tax you pay for that flexibility.

Pros

  • Large library of fine-tuned model presets instead of a single opinionated model
  • Custom model training on your own images is available without an enterprise contract
  • A genuine documented API, which the obvious competitor still does not have
  • Free tier of 150 daily tokens is enough to evaluate properly

Cons

  • Token costs differ by model, resolution and feature, so per-image cost is hard to predict
  • 150 free tokens go in roughly ten generations
  • Concurrency and queue position are tier-gated, so cheap plans wait
  • Roadmap now serves Canva's product priorities, not standalone power users

Tensor.Art

The draw is the library, not the generator: hundreds of thousands of community checkpoints and LoRAs you can run without a GPU, plus a node editor for people who outgrow the prompt box. Credits are the real currency and they expire, so heavy users end up buying packs on top of the subscription.

Pros

  • Very large public library of checkpoints and LoRAs runnable in the browser
  • ComfyFlow node editor for multi-step pipelines, not just single prompts
  • Free tier resets a daily credit allowance rather than expiring after a trial
  • API keys issue instantly and bill from the same credit balance

Cons

  • Credits do not roll over, so an idle month is money lost
  • Cloudflare blocks automated access, which also complicates any scripted use of the site itself
  • Model licensing is the uploader's business, which pushes the rights question onto you

Which one fits

Choose Leonardo.Ai if you need

  • Game and product teams that need consistent assets from a fine-tune they control
  • Anyone who wants generation, canvas editing and upscaling in one place
  • Developers who need image generation behind an API rather than a chat window
  • Users who want to train a model on their own reference set

Choose Tensor.Art if you need

  • People who want to run a specific community LoRA without setting up a local Stable Diffusion install
  • Model authors looking for somewhere to publish and get their checkpoints used
  • Developers who need hosted open-weight image models behind a REST call

More comparisons

All Leonardo.Ai alternatives →Browse all Text-to-Image Generators →