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Black Forest Labs

FLUX 2 Klein 9B

Open weightopen-weight

Black Forest Labs' 9B FLUX.2 Klein for sub-second image generation with 4 inference steps. Matches models 5x its size in quality. Requires ~29GB VRAM (RTX 4090+).

Last verified: 2026-03-29Confidence: HighSources: 5
imagevisionopen-source
Input price
Unpublished
Output price
Unpublished
Context window
512
Max output
1
Release date
2025-01-16
Access
open-weight, self-hosted, api
License
FLUX Non-Commercial License
Last verified
2026-03-29

Capability profile

Radar view of the model's practical strengths. This chart is backed by textual summaries below for crawlability.

Benchmark summary

Defines the Pareto frontier for quality vs latency across text-to-image and multi-reference generation.

No benchmark series is attached to this model yet. Source links and product metadata are available below.

Strengths

  • Sub-second generation
  • 4 inference steps
  • Multi-reference editing
  • Strong quality vs speed tradeoff

Trade-offs

  • Non-commercial license
  • Requires 29GB+ VRAM

Crawlable benchmark analysis

FLUX 2 Klein 9B is positioned as an image generation model with published scores that emphasize its practical fit for buyers evaluating the entry.

Published scores highlight reasoning 18/100, coding 5/100, enterprise readiness 58/100, vision 90/100, speed 92/100, and safety 66/100.

Pricing is not fully published for this entry. With a context window of 512 tokens, it supports large-document analysis and retrieval workflows.

Benchmark coverage is still limited for this entry, so this section focuses on published metadata and deployment fit.

Sources

Provider and distribution links used to verify this model record.

Last verified: 2026-03-29

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