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FLUX.2 Klein 4B

black-forest-labs/flux-2-klein-4b
Black Forest LabsImageOpen weights
Compare 3 providers

Fast 4B open-weight image generation and editing model

Context

—

Max output

—

Input

Free

per 1M tokens

Output

Free

per 1M tokens

Providers

3

3 listings

Intelligence

—

Not yet scored

Pricing

USD per 1M tokens · listed by Nvidia

Token typeStandard
InputFree
OutputFree

Lowest input price across providers: Free.

Capabilities

ReasoningNo
Tool callNo
Structured outputUnknown
TemperatureNo
AttachmentsYes
Interleaved reasoningNo
Open weightsYes
ModeratedUnknown

Input

TextImage

Output

Image

Benchmarks

Published scores and Design Arena Elo

No published benchmark scores for this model yet.

Rankings

Position on each OneAtlas leaderboard

Providers · 3

3 listings

ProviderModel IDContextInput limitOutputInput $Output $Reasoning $Cache readCache writeAudio inAudio outReasoningToolsStructuredTemp.Updated
NEAR AI Cloudblack-forest-labs/FLUX.2-klein-4B——————————NoNoUnknownNoJan 15, 2026
Nvidiablack-forest-labs/flux_2-klein-4b———FreeFree—————NoNoUnknownNoJan 15, 2026
Vercel AI Gatewaybfl/flux-2-klein-4b——————————NoNoUnknownNoJun 8, 2026