ModelsAgree
← All leaderboards
🎨

Best AI image generation API

3 models · updated 2026-06-29

The verdict

Replicate leads — 0 of 3 models rank Replicate the top startup.

Not unanimous: ChatGPT picks Black Forest Labs FLUX API; Claude picks Black Forest Labs FLUX; Gemini picks Fal.ai.

Combined ranking

  1. 1
    Replicate—5 pts
    GPT —Claude #5Gemini #2· Massive library of open-source models with seamless serverless deployment.
  2. 2
    Fal.ai—5 pts
    GPT —Claude —Gemini #1· Developer-first with ultra-low latency and access to the newest open-weights models like FLUX.
  3. 3
    Black Forest Labs FLUX—3 pts
    GPT —Claude #3Gemini —· State-of-the-art open-weight family with fast, high-fidelity hosted endpoints.
  4. 4
    Black Forest Labs FLUX API—3 pts
    GPT #3Claude —Gemini —· Excellent prompt adherence, speed, and model variety.

Not ranked (incumbents): OpenAI GPT Image API, OpenAI Images API, Stability AI, Google Imagen, Google Imagen API, OpenAI, ByteDance Seedream API, Adobe Firefly Services, Google Cloud Vertex AI

By model

ChatGPT

  1. 1.OpenAI GPT Image API
  2. 2.Google Imagen API
  3. 3.Black Forest Labs FLUX API
  4. 4.ByteDance Seedream API
  5. 5.Adobe Firefly Services

Claude

  1. 1.OpenAI Images API
  2. 2.Google Imagen
  3. 3.Black Forest Labs FLUX
  4. 4.Stability AI
  5. 5.Replicate

Gemini

  1. 1.Fal.ai
  2. 2.Replicate
  3. 3.OpenAI
  4. 4.Stability AI
  5. 5.Google Cloud Vertex AI

Tracked by ModelsAgree · rank 1 = 5 pts … rank 5 = 1 pt · re-polled continuously