AI Image Model Comparisons

We tested 8 AI image generation models with 10 prompts each. Below you'll find all 28 head-to-head comparisons with actual outputs and generation times, judged unbiased by an LLM.

8 Models tested
28 Comparisons
80 Images generated
10 Test prompts

Leaderboard

Ranked by win rate across all head-to-head comparisons.

# Model Wins Avg Speed Cost Provider
1
GPT-Image 1.5
60 40.0s $0.009–$0.20 fal.ai, OpenAI
2
Seedream v4.5
46 15.9s $0.04 fal.ai
3
Nano Banana 2
38 23.9s $0.08 fal.ai, OpenRouter, Google AI
4
GPT-Image 2
33 169.6s $0.01–$0.41 fal.ai, OpenAI, OpenRouter
5
FLUX.2 Klein 9B
31 1.5s $0.011 fal.ai
6
Nano Banana Pro
30 18.6s $0.15 fal.ai, OpenRouter, Google AI
7
FLUX.2 Turbo
28 2.6s $0.008 fal.ai
8
Z-Image Turbo
14 1.5s $0.005 fal.ai

All Comparisons

28 head-to-head matchups with side-by-side outputs.

Frequently Asked Questions

How were these AI models compared?

Each model was tested with 10 identical prompts covering portraits, text rendering, product shots, architecture, fantasy, food, fashion, wildlife, abstract art, and sci-fi. All images were generated at 1024x1024 with default parameters.

Which AI image model is the best?

Based on our benchmark, GPT-Image 1.5 leads with the most wins, followed by Seedream v4.5. However, the best model depends on your specific use case, speed requirements, and budget.

How often are model comparisons updated?

We update our comparisons whenever new model versions are released or significant updates are made to existing models.

Use all models in VM Studio

Install VM Studio and run your own comparisons with any prompt.

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