Black Forest Labs model product
Model ranked by Artificial Analysis.
Updated Aug 18, 2026. Default version: FLUX.2 [klein] Base 4B
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
Benchmark scores for FLUX.2 [klein] Base 4B.
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkArtificial Analysis Image Editing | Score1,025 Elo | Rank59 | Participants67 | PercentileN/A | EvidenceA | Evaluated |
| BenchmarkArtificial Analysis Text To Image | Score974 Elo | Rank129 | Participants148 | PercentileN/A | EvidenceA | Evaluated |
Preference and agent-evaluation results for the default version.
The default version does not have a matching Arena result yet.
Prices are shown in the model's native media unit and resolution tier.
This model does not have a current media price.
Media catalog prices are not converted into token input or output prices.
Provider-specific output speed and catalog latency for FLUX.2 [klein] Base 4B. Runtime does not affect the capability score.
No provider-specific speed or latency record is linked to the default version yet.
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
Technical details for the model's default version.
Available versions of this model. The score column identifies the version used in the overall ranking.
Version | Released | LLMBoard | Parameters | Context | Max output | Open weights | License |
|---|
| VersionFLUX.2 [klein] Base 4B | ReleasedN/A | LLMBoard39.2 | ParametersN/A | ContextN/A | Max outputN/A | Open weightsN/A | LicenseUnspecified |
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Key information about FLUX.2 [klein] Base 4B and its available data.
Model ranked by Artificial Analysis.
Data as of 2026-08-17.
Common questions about FLUX.2 [klein] Base 4B.
A release date is not available for the default version.
No native catalog price is currently available for FLUX.2 [klein] Base 4B.
FLUX.2 [klein] Base 4B was created by Black Forest Labs.
A context window is not available for the default version.
No. The default version is not marked as having publicly available weights.
No provider offering is currently linked to the default version.
Nearby ranked alternatives include Runway Gen-4 Image, Recraft 20B, Lumina Image v2.