GPT Image 1.5 vs Nano Banana 2
The #1 and #2 ranked image models face off — OpenAI vs Google's latest.
GPT Image 1.5 from OpenAI and Nano Banana 2 from Google represent two different approaches to AI image generation. OpenAI's #1 ranked image model with exceptional prompt adherence, photorealism, and text rendering. On the other side, google's latest image model with exceptional text rendering and multi-image compositing.
Both models cost 15 credits per generation, so the decision comes down to capabilities rather than budget. GPT Image 1.5 excels at highest quality generation, text rendering, photorealism, while Nano Banana 2 is better suited for text rendering, character consistency, multi-image compositing.
Updated March 2026
Both cost 15 credits, so pick based on your needs. Go with GPT Image 1.5 for highest quality generation. Choose Nano Banana 2 if you need text rendering. Since they're the same price on Melies, try both and see which output style you prefer.
GPT Image 1.5 vs Nano Banana 2: Visual Output
Both generated with the same prompt and seed 42. Click to view full size.
GPT Image 1.5
Nano Banana 2GPT Image 1.5 vs Nano Banana 2: How They Compare
| GPT Image 1.5 | Nano Banana 2 | |
|---|---|---|
| Provider | OpenAI | |
| Released | Jan 2026 | Feb 2026 |
| Cost | 15 | 80.5K/151K/252K/404K |
| Speed | Medium | Fast |
| Reference images | Up to 1 | Up to 14 |
| Editing |
GPT Image 1.5 vs Nano Banana 2: Cost Comparison
Both models cost the same. Here's how credits add up at scale.
| Volume | GPT Image 1.5 | Nano Banana 2 |
|---|---|---|
| 10 images | 150 | 150 |
| 50 images | 750 | 750 |
| 100 images | 1,500 | 1,500 |
Strengths & Weaknesses
GPT Image 1.5
- + Highest quality generation
- + #1 on all major image leaderboards
- + Transparent background support
- + Quality control (low/medium/high)
- + Strong text rendering and typography
- - Higher price point relative to speed tier
Nano Banana 2
- + Faster generation speed
- + Text rendering
- + Supports 14 reference images
- + More resolution options
- + Up to 14 reference images
- - Higher price point relative to speed tier
GPT Image 1.5 vs Nano Banana 2: Which to Pick?
On a tight budget
At 15 credits per image, GPT Image 1.5 gives you more generations for your plan. Good enough quality for most everyday use.
Character or style consistency
Nano Banana 2 supports 14 reference images to keep subjects, styles, and characters consistent across generations.
Rapid iteration and testing
Nano Banana 2's fast generation means you can test more prompts in less time. Great for exploration.
GPT Image 1.5 vs Nano Banana 2: FAQ
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