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    gpt·basedElo-ranked, value-sorted
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    Black Forest Labs: FLUX.2 Klein 4B

    Released Jan 14, 2026
    black-forest-labs/flux.2-klein-4b
    text+image→image
    Set alert
    Ranked in:Image EditText to Image
    Try it on:
    OOpenRouterWWavespeed

    FLUX.2 [klein] 4B is the fastest and most cost-effective model in the FLUX.2 family, optimized for high-throughput use cases while maintaining excellent image quality. Pricing is based on the output...

    Best overall rank
    #38
    ▼ 1 vs 7d ago
    Total arena votes
    1,018,776
    Across 10 (subset, category) entries
    Providers on OR
    1
    Black Forest Labs
    First seen
    2026-05-08
    26 days tracked

    Trend

    Pricing

    Per unit

    Image output
    $0.140/img

    Capabilities

    Modality
    text+image->image
    Context
    41K tokens
    Tokenizer
    Other
    Moderation
    Unmoderated
    Hugging Face
    black-forest-labs/FLUX.2-klein-4B
    Supported parameters
    seed

    Providers

    ProviderRegion / TagContextInput/MOutput/MUptime 1dLatencyQuantCache
    Black Forest Labsblack-forest-labs41K--99.99%---

    Per-category ranks

    Image Edit

    RankCategoryVariantTrendEloVotes
    #26Multi Image Edit
    -
    1171126,069
    #38Overall
    -
    1188485,521

    Text to Image

    RankCategoryVariantTrendEloVotes
    #49Portraits
    -
    105331,018
    #513d Modeling
    -
    103013,142
    #51Cartoon
    -
    102350,307
    #52Overall
    -
    1029135,658
    #52Photorealistic
    -
    104657,373
    #54Art
    -
    102818,087
    #55Commercial Design
    -
    102752,502
    #55Text Rendering
    -
    101449,099