GPT Image 1.5 vs FLUX.2 [pro]
The #1 ranked model vs FLUX.2 Pro — OpenAI's newcomer challenges Black Forest Labs.
GPT Image 1.5 is no longer offered on Melies. FLUX.2 [pro] is available today. The specs below are kept for reference.
GPT Image 1.5 from OpenAI and FLUX.2 [pro] 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, production-grade image generation and editing at an affordable price point.
At 15 credits, GPT Image 1.5 costs 5 credits less than FLUX.2 [pro] (20 credits). GPT Image 1.5 is no longer offered on Melies. FLUX.2 [pro] 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 [pro] is the one you can use here. At 20 credits, it is a fit for production work. For other options, compare the current image models and their credit costs on the pricing page.
GPT Image 1.5 vs FLUX.2 [pro]: Visual Output
Both generated with the same prompt and seed 42. Click to view full size.
GPT Image 1.5
FLUX.2 [pro]GPT Image 1.5 vs FLUX.2 [pro]: How They Compare
| GPT Image 1.5 | FLUX.2 [pro] | |
|---|---|---|
| Provider | OpenAI | Black Forest Labs |
| Released | Jan 2026 | Nov 2025 |
| Cost | 15 | 20 |
| Speed | Medium | Medium |
| Reference images | Up to 1 | |
| Editing | ||
| WebP output |
GPT Image 1.5 vs FLUX.2 [pro]: Cost Comparison
GPT Image 1.5 is 25% cheaper than FLUX.2 [pro]. Here's how credits add up at scale.
| Volume | GPT Image 1.5 | FLUX.2 [pro] |
|---|---|---|
| 10 images | 150 | 200 |
| 50 images | 750 | 1,000 |
| 100 images | 1,500 | 2,000 |
Strengths & Weaknesses
GPT Image 1.5
- + More affordable (15 vs 20 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 [pro]
- + Production work
- + Custom resolution up to 14142px
- + Safety tolerance 1–5
- + Image editing with reference URLs
- - More expensive (20 vs 15 credits)
- - No reference image support
- - No WebP output
GPT Image 1.5 vs FLUX.2 [pro]: Which to Pick?
Maximum quality matters
FLUX.2 [pro] 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 [pro]: FAQ
Practical answers before you start creating.
Try FLUX.2 [pro] on Melies
Compare FLUX.2 [pro] with the other image models on Melies side by side. Switch models with one click, same credits.
Start Generating Images
