Black Forest Labs model product
FLUX.2 [klein] Base 4B
2 [klein] Base 4B is an image model from Black Forest Labs.
Updated Sep 8, 2026. Default version: FLUX.2 [klein] Base 4B
LLMBoard Image Generation Score38.9FLUX.2 [klein] Base 4B
Coverage30%1 benchmark families
Context windowN/ATokens
Native catalog priceN/APrice unavailable
FLUX.2 [klein] Base 4B Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
FLUX.2 [klein] Base 4B Benchmark Results
Benchmark scores for FLUX.2 [klein] Base 4B.
Sort by
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkArtificial Analysis Image Editing | Score830.00 elo | Rank65 | Participants73 | Percentile11.11% | EvidenceB | EvaluatedN/A |
| BenchmarkArtificial Analysis Text To Image | Score773.00 elo | Rank137 | Participants156 | Percentile12.26% | EvidenceB | EvaluatedN/A |
FLUX.2 [klein] Base 4B Arena Results
Preference and agent-evaluation results for the default version.
No Arena results
The default version does not have a matching Arena result yet.
FLUX.2 [klein] Base 4B Pricing
Prices are shown in the model's native media unit and resolution tier.
- Native price
- N/A
- Price unit
- N/A
- Tier
- Standard
- Tracked offerings
- 0
No price available
This model does not have a current media price.
Media catalog prices are not converted into token input or output prices.
FLUX.2 [klein] Base 4B Runtime Performance
Provider-specific output speed and catalog latency for FLUX.2 [klein] Base 4B. Runtime does not affect the capability score.
No runtime data
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.
FLUX.2 [klein] Base 4B Specifications
Technical details for the model's default version.
- Version
- FLUX.2 [klein] Base 4B
- Released
- Unknown
- Knowledge cutoff
- Unknown
- Parameters
- N/A
- Context window
- N/A
- Max output
- N/A
- Inputs
- image, text
- Outputs
- image
- Open weights
- No
- License
- Unspecified
FLUX.2 [klein] Base 4B Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
Sort by
Version | Released | LLMBoard | Parameters | Context | Max output | Open weights | License |
|---|
| VersionFLUX.2 [klein] Base 4B | ReleasedN/A | LLMBoard38.94 | ParametersN/A | ContextN/A | Max outputN/A | Open weightsNo | LicenseUnspecified |
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What is FLUX.2 [klein] Base 4B?
Key information about FLUX.2 [klein] Base 4B and its available data.
2 [klein] Base 4B is an image model from Black Forest Labs that is ranked by Artificial Analysis.
Data as of 2026-09-08.
FAQ
Common questions about FLUX.2 [klein] Base 4B.
When was FLUX.2 [klein] Base 4B released?
A release date is not available for the default version.
How much does FLUX.2 [klein] Base 4B cost?
No native catalog price is currently available for FLUX.2 [klein] Base 4B.
Who created FLUX.2 [klein] Base 4B?
FLUX.2 [klein] Base 4B was created by Black Forest Labs.
What is the context window for FLUX.2 [klein] Base 4B?
A context window is not available for the default version.
Is FLUX.2 [klein] Base 4B open weight?
No. The default version is not marked as having publicly available weights.