FLUX.2 [klein] 4B API Pricing
Black Forest Labs · released 2026-01-15
FLUX.2 [klein] 4B price
No official API price published for FLUX.2 [klein] 4B yet.
Benchmarks
| Benchmark | Value | Source | As of |
|---|---|---|---|
| Epoch Capabilities Index (ECI) | No public data yet | ||
| Epoch Mock AIME accuracy | No public data yet | ||
| Epoch FrontierMath (T1–3) accuracy | No public data yet | ||
| Arena text rating | No public data yet | ||
| Arena coding rating (human preference votes, not task accuracy) | No public data yet | ||
| Arena math rating | No public data yet | ||
| Arena WebDev rating | No public data yet | ||
More from Black Forest Labs
| Model | Released | Blended $/1M |
|---|---|---|
| FLUX 3 Image Klein | 2026-10-15 | — |
| FLUX 3 Image | 2026-10-01 | — |
| FLUX Video Edit [fast] | 2026-09 | — |
| FLUX Video Upscale | 2026-08-20 | — |
| FLUX 3 Video | 2026-08-04 | — |
| FLUX.2 [klein] 9B | 2026-01-15 | — |
| FLUX.2 [max] | 2025-12-16 | — |
| FLUX.2 [pro] | 2025-11-25 | — |
Prices: Black Forest Labs's official list price as recorded by None; benchmarks: see sources below; last synced 2026-11-06.
FAQ
Who develops FLUX.2 [klein] 4B?
FLUX.2 [klein] 4B is developed by Black Forest Labs, released 2026-01-15.
Is FLUX.2 [klein] 4B's API pricing published?
No — as of the last data sync (2026-11-06), neither models.dev nor LiteLLM has published official API pricing for FLUX.2 [klein] 4B. This page updates automatically once pricing is available.
Where does this data come from?
Pricing for FLUX.2 [klein] 4B comes from models.dev and LiteLLM (open MIT-licensed catalogs); benchmark scores come from Epoch AI and LMArena (open CC BY 4.0 licenses) — see /data-sources/. Last synced 2026-11-06.