Black Forest Labs: FLUX.2 Klein 4B
Black Forest Labs
Black Forest Labs: FLUX.2 Klein 4B by Black Forest Labs costs $0.00 per 1M input tokens and $0.00 per 1M output tokens, with a 41K-token context window.
Pricing
Input (per 1M tokens)
$0.00
Output (per 1M tokens)
$0.00
Cached input (per 1M)
—
Specifications
- Provider
- Black Forest Labs
- Context window
- 41K tokens
- Parameters
- —
- Released
- —
- Open weights
- —
- Frontier model
- No
- Hugging Face
- black-forest-labs/FLUX.2-klein-4B
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FAQ
How much does Black Forest Labs: FLUX.2 Klein 4B cost?
Black Forest Labs: FLUX.2 Klein 4B is priced at $0.00 per 1M input tokens and $0.00 per 1M output tokens. Output tokens cost more than input.
What is Black Forest Labs: FLUX.2 Klein 4B's context window?
Black Forest Labs: FLUX.2 Klein 4B supports a context window of 41K tokens — the maximum prompt plus response length it can handle in a single request.
Is Black Forest Labs: FLUX.2 Klein 4B open weight?
Open-weight status for Black Forest Labs: FLUX.2 Klein 4B is not recorded in our dataset.
Data as of 2026-10-15. Source: Pricing via OpenRouter API, openrouter.ai. Pricing is per 1M tokens (USD); confirm with the provider before production use.