grok-4-fast
Provider: xAI, Context: 2000000, Output Limit: 30000
| Provider | Source | Input Price ($/1M) | Output Price ($/1M) | Description | Free |
|---|---|---|---|---|---|
| xai | models-dev | Input: $0.20 | Output: $0.50 | Provider: xAI, Context: 2000000, Output Limit: 30000 | |
| zenmux | models-dev | Input: $0.20 | Output: $0.50 | Provider: ZenMux, Context: 2000000, Output Limit: 64000 | |
| requesty | models-dev | Input: $0.20 | Output: $0.50 | Provider: Requesty, Context: 2000000, Output Limit: 64000 | |
| openrouter | openrouter | Input: $0.20 | Output: $0.50 | Grok 4 Fast is xAI's latest multimodal model with SOTA cost-efficiency and a 2M token context window. It comes in two flavors: non-reasoning and reasoning. Read more about the model on xAI's [news post](http://x.ai/news/grok-4-fast). 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 |