GPT Image 1.5 vs FLUX.2 [max]
OpenAI's leaderboard champion vs Black Forest Labs' premium flagship — 15 vs 25 credits.
GPT Image 1.5 is no longer offered on Melies. FLUX.2 [max] is available today. The specs below are kept for reference.
GPT Image 1.5 from OpenAI and FLUX.2 [max] from Black Forest Labs 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, maximum performance Flux model with highest editing consistency and prompt following.
At 15 credits, GPT Image 1.5 costs 10 credits less than FLUX.2 [max] (25 credits). GPT Image 1.5 is no longer offered on Melies. FLUX.2 [max] is, along with the other current image models listed on the pricing page.
Updated November 2026
GPT Image 1.5 is no longer offered on Melies, so FLUX.2 [max] is the one you can use here. At 25 credits, it is a fit for maximum quality. For other options, compare the current image models and their credit costs on the pricing page.
GPT Image 1.5 vs FLUX.2 [max]: Visual Output
Both generated with the same prompt and seed 42. Click to view full size.
GPT Image 1.5
FLUX.2 [max]GPT Image 1.5 vs FLUX.2 [max]: How They Compare
| GPT Image 1.5 | FLUX.2 [max] | |
|---|---|---|
| Provider | OpenAI | Black Forest Labs |
| Released | Jan 2026 | Dec 2025 |
| Cost | 15 | 25 |
| Speed | Medium | Slower |
| Reference images | Up to 1 | |
| Editing | ||
| WebP output |
GPT Image 1.5 vs FLUX.2 [max]: Cost Comparison
GPT Image 1.5 is 40% cheaper than FLUX.2 [max]. Here's how credits add up at scale.
| Volume | GPT Image 1.5 | FLUX.2 [max] |
|---|---|---|
| 10 images | 150 | 250 |
| 50 images | 750 | 1,250 |
| 100 images | 1,500 | 2,500 |
Strengths & Weaknesses
GPT Image 1.5
- + More affordable (15 vs 25 credits)
- + Highest quality generation
- + Supports 1 reference images
- + WebP output for smaller file sizes
- + #1 on all major image leaderboards
- - 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 15 credits)
- - Slower generation
- - No reference image support
GPT Image 1.5 vs FLUX.2 [max]: Which to Pick?
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.
GPT Image 1.5 vs FLUX.2 [max]: FAQ
Practical answers before you start creating.
Try FLUX.2 [max] on Melies
Compare FLUX.2 [max] with the other image models on Melies side by side. Switch models with one click, same credits.
Start Generating Images
