grok-4.1-fast
Provider: ZenMux, Context: 2000000, Output Limit: 64000
| Provider | Source | Input Price ($/1M) | Output Price ($/1M) | Description | Free |
|---|---|---|---|---|---|
| zenmux | models-dev | Input: $0.20 | Output: $0.50 | Provider: ZenMux, Context: 2000000, Output Limit: 64000 | |
| openrouter | openrouter | Input: $0.20 | Output: $0.50 | Grok 4.1 Fast is xAI's best agentic tool calling model that shines in real-world use cases like customer support and deep research. 2M context window. Reasoning can be enabled/disabled using the `reasoning` `enabled` parameter in the API. [Learn more in our docs](https://openrouter.ai/docs/use-cases/reasoning-tokens#controlling-reasoning-tokens) Context: 2000000 |