GPT Image 2.5 Sunburst vs FLUX.2 [max]
OpenAI's most capable image model versus Black Forest Labs' premium flagship. Sunburst at 20 credits versus FLUX.2 Max at 25.
GPT Image 2.5 Sunburst from OpenAI and FLUX.2 [max] from Black Forest Labs represent two different approaches to AI image generation. GPT Image 2.5 generation and editing with explicit sizes or automatic source sizing. On the other side, maximum performance Flux model with highest editing consistency and prompt following.
At 20 credits, GPT Image 2.5 Sunburst costs 5 credits less than FLUX.2 [max] (25 credits). The question is whether the extra cost of FLUX.2 [max] translates into meaningfully better results for your use case. For hero stills, precision editing, photorealism, and production text rendering, GPT Image 2.5 Sunburst is hard to beat at its price point. But if you need maximum quality, editing workflows, style-faithful generation, FLUX.2 [max] may justify the premium.
Updated October 2026
GPT Image 2.5 Sunburst (20 credits) offers better value for everyday use, especially for hero stills. FLUX.2 [max] (25 credits) is worth the premium when you need maximum quality. Both are available on Melies — try each with a test prompt to see which fits your style.
GPT Image 2.5 Sunburst vs FLUX.2 [max]: How They Compare
 GPT Image 2.5 Sunburst |  FLUX.2 [max] | |
|---|---|---|
| Provider | OpenAI | Black Forest Labs |
| Released | Sep 2026 | Dec 2025 |
| Cost | 201K/302K | 25 |
| Speed | Medium | Slower |
| Reference images | Up to 16 | |
| Editing | ||
| WebP output |
GPT Image 2.5 Sunburst vs FLUX.2 [max]: Cost Comparison
GPT Image 2.5 Sunburst is 20% cheaper than FLUX.2 [max]. Here's how credits add up at scale.
| Volume | GPT Image 2.5 Sunburst | FLUX.2 [max] |
|---|---|---|
| 10 images | 200 | 250 |
| 50 images | 1,000 | 1,250 |
| 100 images | 2,000 | 2,500 |
Strengths & Weaknesses
GPT Image 2.5 Sunburst
- + More affordable (20 vs 25 credits)
- + Hero stills
- + Supports 16 reference images
- + WebP output for smaller file sizes
- + More resolution options
- - Higher price point relative to speed tier
FLUX.2 [max]
- + Maximum quality
- + Highest editing consistency
- + Custom resolution up to 14142px
- + Safety tolerance 1–5
- + Image editing with reference URLs
- - More expensive (25 vs 20 credits)
- - Slower generation
- - No reference image support
GPT Image 2.5 Sunburst vs FLUX.2 [max]: Which to Pick?
On a tight budget
At 20 credits per image, GPT Image 2.5 Sunburst gives you more generations for your plan. Good enough quality for most everyday use.
Maximum quality matters
FLUX.2 [max] is worth the extra credits when the output needs to be perfect — portfolio pieces, client work, or final deliverables.
Character or style consistency
GPT Image 2.5 Sunburst supports 16 reference images to keep subjects, styles, and characters consistent across generations.
GPT Image 2.5 Sunburst vs FLUX.2 [max]: FAQ
Practical answers before you start creating.
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