Black Forest Labs: FLUX.2 Klein 4B
Released Jan 14, 2026text+image→image
Set alertTry it on:
FLUX.2 [klein] 4B is the fastest and most cost-effective model in the FLUX.2 family, optimized for high-throughput use cases while maintaining excellent image quality. Pricing is based on the output...
Best overall rank
#42
Across all subsets · overall
Total arena votes
1,086,137
Across 10 (subset, category) entries
Providers on OR
1
Black Forest Labs
First seen
2026-05-08
72 days tracked
Trend
Pricing
Per unit
- Image output
- $0.140/img
Capabilities
Modality
text+image->imageContext
41K tokens
Tokenizer
Other
Moderation
Unmoderated
Hugging Face
Supported parameters
seed
Providers
| Provider | Region / Tag | Context | Input/M | Output/M | Uptime 1d | Latency | Quant | Cache |
|---|---|---|---|---|---|---|---|---|
| Black Forest Labs | black-forest-labs | 41K | - | - | 100.00% | - | - | - |
Per-category ranks
Image Edit
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #30 | Multi Image Edit | - | 1166 | 147,109 | |
| #42 | Overall | - | 1188 | 506,764 |
Text to Image
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #59 | Portraits | - | 1054 | 32,845 | |
| #61 | Cartoon | - | 1023 | 53,298 | |
| #61 | Photorealistic | - | 1047 | 60,937 | |
| #62 | 3d Modeling | - | 1031 | 13,941 | |
| #62 | Overall | - | 1030 | 144,073 | |
| #64 | Art | - | 1028 | 19,290 | |
| #65 | Commercial Design | - | 1027 | 55,847 | |
| #65 | Text Rendering | - | 1015 | 52,033 |