Grok 4.1 Fast
ZenMux
Grok 4.1 Fast by ZenMux costs $0.20 per 1M input tokens and $0.50 per 1M output tokens, with a 2M-token context window.
Pricing
Input (per 1M tokens)
$0.20
Output (per 1M tokens)
$0.50
Cached input (per 1M)
$0.05
Specifications
- Provider
- ZenMux
- Context window
- 2M tokens
- Parameters
- —
- Released
- Nov 2025
- Open weights
- No
- Frontier model
- No
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FAQ
Pricing is per 1M tokens (USD); confirm with the provider before production use.