Compare

FLUX.2 [Max] vs Flux-2-Klein-4b

Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 2 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

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FLUX.2 [Max]
black-forest-labs/flux-2-max
Flux-2-Klein-4b
black-forest-labs/flux-2-klein-4b
Provider
Black Forest Labs
Black Forest Labs
Family
FLUX
FLUX
Modality
image
image
Context window
Max output
Released
2026-05-27
2026-01-14
License
Open-weight
Open-weight
Per image
$0.0000 /img
$0.0012 /img
Tools
Streaming
Vision
JSON mode
Reasoning
Prompt caching
Batch API
Try it
Open in playground →
Open in playground →
FLUX.2 [Max]
black-forest-labs/flux-2-max
Full spec →

FLUX.2 [max] is Black Forest Labs' highest-quality image model — top editing consistency, strongest prompt following, and grounding search for visualizations of real-time information.

Strengths
  • Text-to-image generation
  • Creative control
Use cases
Marketing assetsProduct mockupsConcept art
Flux-2-Klein-4b
black-forest-labs/flux-2-klein-4b
Full spec →

FLUX.2 [klein] is an ultra-fast, distilled image model. It unifies image generation and editing in a single model, delivering state-of-the-art quality enabling interactive workflows, real-time previews, and latency-critical applications.

Strengths
  • Text-to-image generation
  • Creative control
Use cases
Marketing assetsProduct mockupsConcept art

Compare with another

Claude Opus 4.8 vs FLUX.2 [Max]
anthropic/claude-opus-4.8 · black-forest-labs/flux-2-max
Claude Sonnet 4.6 vs FLUX.2 [Max]
anthropic/claude-sonnet-4.6 · black-forest-labs/flux-2-max
Grok 4.20 Multi-Agent vs FLUX.2 [Max]
xai/grok-4.20-multi-agent-0309 · black-forest-labs/flux-2-max
GPT-5.4 vs FLUX.2 [Max]
openai/gpt-5.4 · black-forest-labs/flux-2-max
Gemini 2.5 Pro vs FLUX.2 [Max]
google/gemini-2.5-pro · black-forest-labs/flux-2-max
Gemini 3.1 Pro vs FLUX.2 [Max]
google/gemini-3.1-pro · black-forest-labs/flux-2-max
GPT-5.5 Pro vs FLUX.2 [Max]
openai/gpt-5.5-pro · black-forest-labs/flux-2-max
Grok Imagine Image Quality vs FLUX.2 [Max]
xai/grok-imagine-image-quality · black-forest-labs/flux-2-max
HappyHorse 1.0 T2V vs FLUX.2 [Max]
alibaba/hh1-t2v · black-forest-labs/flux-2-max
SWITCH BETWEEN THEM

One key, all 2, one line different.

from openai import OpenAI

client = OpenAI(
    base_url="https://api.aigateway.sh/v1",
    api_key="sk-aig-...",
)

# FLUX.2 [Max]
client.chat.completions.create(
    model="black-forest-labs/flux-2-max",
    messages=[{"role":"user","content":"hello"}],
)

# Flux-2-Klein-4b
client.chat.completions.create(
    model="black-forest-labs/flux-2-klein-4b",
    messages=[{"role":"user","content":"hello"}],
)
Get an AIgateway keyRun an eval on these →