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Black Forest Labs model product

FLUX.2 [klein] 4B

Model ranked by Artificial Analysis.

Updated Aug 18, 2026. Default version: FLUX.2 [klein] 4B

Compare
LLMBoard Image Generation Score43.8FLUX.2 [klein] 4B
Coverage30%1 benchmark families
Context windowN/ATokens
Native catalog priceN/APrice unavailable

On this page

  • Capability
  • Benchmarks
  • Arena
  • Pricing
  • Runtime
  • Specification
  • Versions
  • Compare
  • Similar models
  • About
  • FAQ

FLUX.2 [klein] 4B Capability Profile

This profile uses the model's current scored version. Arena ratings and prices are shown separately.

FLUX.2 [klein] 4B LLMBoard score breakdown

FLUX.2 [klein] 4B Benchmark Results

Benchmark scores for FLUX.2 [klein] 4B.

2 rows
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Benchmark
Score
Rank
Participants
Percentile
Evidence
Evaluated
BenchmarkArtificial Analysis Image EditingScore1,115 EloRank50Participants67PercentileN/AEvidenceAEvaluatedAug 18, 2026
BenchmarkArtificial Analysis Text To ImageScore1,063 EloRank106Participants148PercentileN/AEvidenceAEvaluatedAug 18, 2026

FLUX.2 [klein] 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] 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] 4B Runtime Performance

Provider-specific output speed and catalog latency for FLUX.2 [klein] 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.

Browse runtime rankings

Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.

FLUX.2 [klein] 4B Specifications

Technical details for the model's default version.

Version
FLUX.2 [klein] 4B
Released
Unknown
Knowledge cutoff
Unknown
Parameters
N/A
Context window
N/A
Max output
N/A
Inputs
text
Outputs
image
Open weights
No
License
Unspecified

FLUX.2 [klein] 4B Versions

Available versions of this model. The score column identifies the version used in the overall ranking.

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Version
Released
LLMBoard
Parameters
Context
Max output
Open weights
License
VersionFLUX.2 [klein] 4BReleasedN/ALLMBoard43.8ParametersN/AContextN/AMax outputN/AOpen weightsN/ALicenseUnspecified

FLUX.2 [klein] 4B vs nearby models

Open a comparison with the three ranked models immediately above and below this model.

FLUX.2 [klein] 4BvsGLM-ImageFLUX.2 [klein] 4BvsZ-Image BaseFLUX.2 [klein] 4BvsMAI Image 1FLUX.2 [klein] 4BvsHiDream-I1-FastFLUX.2 [klein] 4BvsInfinity 8BFLUX.2 [klein] 4BvsMidjourney v6.1

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What is FLUX.2 [klein] 4B?

Key information about FLUX.2 [klein] 4B and its available data.

Model ranked by Artificial Analysis.

Data as of 2026-08-17.

FAQ

Common questions about FLUX.2 [klein] 4B.

When was FLUX.2 [klein] 4B released?

A release date is not available for the default version.

How much does FLUX.2 [klein] 4B cost?

No native catalog price is currently available for FLUX.2 [klein] 4B.

Who created FLUX.2 [klein] 4B?

FLUX.2 [klein] 4B was created by Black Forest Labs.

What is the context window for FLUX.2 [klein] 4B?

A context window is not available for the default version.

Is FLUX.2 [klein] 4B open weight?

No. The default version is not marked as having publicly available weights.

How many API providers offer FLUX.2 [klein] 4B?

No provider offering is currently linked to the default version.

What models should I compare FLUX.2 [klein] 4B with?

Nearby ranked alternatives include GLM-Image, Z-Image Base, MAI Image 1.