GPT Image 1.5 (high)VSNano Banana 2 (Gemini 3.1 Flash Image Preview)
Comparing performance, ranking, and specs for two leading text-to-image generation models.
GPT Image 1.5 (high)
Automated Verdict
GPT Image 1.5 (high) leads by 8 points.
Currently ranked #1 overall in Text-to-Image Generation.
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Why choose GPT Image 1.5 (high)?
- Ranked #1 in the world
- High performance score of 1268
- Developed by OpenAI
Why choose Nano Banana 2 (Gemini 3.1 Flash Image Preview)?
- Ranked #2 in the world
- High performance score of 1260
- Developed by Google
In-Depth Comparison
GPT Image 1.5 (high) vs Nano Banana 2 (Gemini 3.1 Flash Image Preview): Which Text-to-Image Generation is Best?
Verdict: GPT Image 1.5 (high) wins by 8 points.
GPT Image 1.5 (high) takes the lead in this comparison, scoring 1268 points to Nano Banana 2 (Gemini 3.1 Flash Image Preview)'s 1260. This 8-point gap suggests that GPT Image 1.5 (high) outperforms its competitor in general image fidelity.
For users focused on photorealism, text rendering, GPT Image 1.5 (high) from OpenAI currently represents the state-of-the-art. Its higher Elo score indicates greater consistency across our benchmark set.
However, Nano Banana 2 (Gemini 3.1 Flash Image Preview) remains a formidable contender. Ranked #2, it is a top-tier choice. Depending on your specific needs—such as licensing (Proprietary) or ecosystem integration—Nano Banana 2 (Gemini 3.1 Flash Image Preview) may still be the right tool for your pipeline.
Comparison Data
| Feature | GPT Image 1.5 (high) | Nano Banana 2 (Gemini 3.1 Flash Image Preview) |
|---|---|---|
| Rank | #1 | #2 |
| Score | 1268 | 1260 |
| Developer | OpenAI | |
| License | Proprietary | Proprietary |
Conclusion
Both models are excellent choices within the Text-to-Image Generation landscape. We recommend checking the full leaderboard for the most up-to-date rankings as new models are released frequently.