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FLUX.2 Klein 4B

NvidiaOpen weights

FLUX.2 Klein 4B by Nvidia 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
Nvidia
Context window
41K tokens
Parameters
Released
Jan 2026
Open weights
Yes
Frontier model
No

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FAQ

Pricing is per 1M tokens (USD); confirm with the provider before production use.