xAI model
Grok 4.1 Fast Reasoning
Grok 4.1 Fast Reasoning is available through 3 providers and 3 concrete deployments tracked by ALLM.
xai/grok-4.1-fast-reasoning
imagetextOfficial lab notation
Deployments
3
Providers
3
Max context
2M
Input from
$0.20 / 1M
Grok 4.1 Fast Reasoning provider comparison
Pricing and compatibility are tracked per provider deployment, because the same model can expose different features depending on where it runs.
| Provider | Provider model ID | Mode | Region | Input | Output | Context | Tools |
|---|---|---|---|---|---|---|---|
| Azure AI | grok-4-1-fast-reasoning | Chat | global | $0.20 / 1M | $0.50 / 1M | 131.1K | supported |
| Google Vertex AI | xai/grok-4.1-fast-reasoning | Chat | global | $0.20 / 1M | $0.50 / 1M | 2M | supported |
| xAI | grok-4-1-fast-reasoning | Chat | global | $0.20 / 1M | $0.50 / 1M | 2M | supported |