May 15, 2026·5 min read

8 Free Image Generation APIs

Generate images via API without paying. These 8 providers offer real free tiers with FLUX, SDXL, and Stable Diffusion 3.5.

You don't need to pay $30/month for Midjourney to generate images via API. These 8 providers offer real free tiers.

1. Fal — Fastest inference

$1 free credits, 100 req/day. FLUX Schnell generates in under 2 seconds. Best DX we've tested.

2. Replicate — Largest model catalog

$5 free credits. Every community fine-tune is here. Slower than Fal on free tier (cold starts).

3. Leonardo — Best for character consistency

150 tokens/day. Canvas editor and consistent character features. Requires phone verification.

4. Stability AI — Official SD access

25 free credits. Stable Diffusion 3.5 via official API. Includes inpainting and ControlNet.

Quick comparison

  • Speed: Fal > Replicate > Leonardo > Stability
  • Model variety: Replicate > Fal > Stability > Leonardo
  • Free tier size: Replicate ($5) > Fal ($1) > Stability (25 credits) > Leonardo (150 tokens)

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