Black Forest Labs: FLUX.2 Klein 4B
Released Jan 14, 2026Try 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
#39
Across all subsets · overall
Total arena votes
1,058,026
Across 10 (subset, category) entries
Providers on OR
1
Black Forest Labs
First seen
2026-05-08
45 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 | - | - | 99.99% | - | - | - |
Per-category ranks
Image Edit
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #27 | Multi Image Edit | - | 1167 | 142,738 | |
| #39 | Overall | - | 1188 | 489,810 |
Text to Image
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #55 | Portraits | - | 1053 | 32,382 | |
| #57 | 3d Modeling | - | 1031 | 13,713 | |
| #57 | Cartoon | - | 1022 | 52,447 | |
| #58 | Overall | - | 1029 | 141,793 | |
| #58 | Photorealistic | - | 1046 | 59,980 | |
| #60 | Art | - | 1028 | 18,957 | |
| #61 | Commercial Design | - | 1026 | 54,945 | |
| #61 | Text Rendering | - | 1014 | 51,261 |