image model comparison
FLUX1.1 [pro] vs Gemini 3.1 Flash Lite Image
FLUX1.1 [pro] and Gemini 3.1 Flash Lite Image are both current image models, from Black Forest Labs and Google. Gemini 3.1 Flash Lite Image is 16% cheaper per image than FLUX1.1 [pro], $0.0336 vs $0.04. On Arena Text-to-Image, FLUX1.1 [pro] scores 1016 Elo and Gemini 3.1 Flash Lite Image 1250 Elo (Arena, measured October 7, 2026).
Data verified October 12, 2026 · Dataset 2026-10-12
Side by side
Standard-tier prices in effect today. The better value in each row is highlighted.
| Fact | FLUX1.1 [pro] | Gemini 3.1 Flash Lite Image |
|---|---|---|
| Price per image | $0.04 | $0.0336 (better) |
| Arena Text-to-Image | 1016 Elo (#9 of 9) | 1250 Elo (#6 of 9) (better) |
| Arena Image Edit | Not measured | 1314 Elo (#8 of 8) |
| Provider | Black Forest Labs | |
| Release date | Not reported | June 30, 2026 |
| Access | API only | API only |
| Context window | Not reported | 65,536 tokens |
| Max output | Not reported | 4,096 tokens |
| Input | text | text, image |
| Output | image | text, image |
Scores:Arena · 2026-10-12
When to choose each
FLUX1.1 [pro]
Best for
- Hosted FLUX text-to-image generation
Watch out for
- No exact compatible public benchmark snapshot is recorded
Gemini 3.1 Flash Lite Image
Best for
- Low-latency 1K image generation and edits
Watch out for
- Only 1K output is supported; Google documents 2K and 4K as unsupported
FLUX1.1 [pro] vs Gemini 3.1 Flash Lite Image FAQ
Which is cheaper, FLUX1.1 [pro] or Gemini 3.1 Flash Lite Image?
Gemini 3.1 Flash Lite Image is 16% cheaper per image than FLUX1.1 [pro], $0.0336 vs $0.04.
Which scores higher on independent benchmarks, FLUX1.1 [pro] or Gemini 3.1 Flash Lite Image?
Gemini 3.1 Flash Lite Image leads on Arena Text-to-Image, 1250 Elo to 1016 Elo. Scores are independent evaluations, not either vendor's launch figures.
Related comparisons
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- FLUX1.1 [pro] vs GPT Image 2.5 Sunburst
- FLUX1.1 [pro] vs grok-imagine-image
- FLUX1.1 [pro] vs Nano Banana 2.1
- Gemini 3.1 Flash Image vs Gemini 3.1 Flash Lite Image
- Gemini 3.1 Flash Lite Image vs Gemini 3 Pro Image
- Gemini 3.1 Flash Lite Image vs grok-imagine-image
Production evaluation
Choosing between FLUX1.1 [pro] and Gemini 3.1 Flash Lite Image?
Public benchmarks narrow the shortlist. We run both on your own tasks, data and cost limits, then build the routing and review controls to run the winner in production.
- A head-to-head evaluation on your real workload
- Routing between models by cost and difficulty