Grok 4 1 Fast Non Reasoning
xAIText
Grok 4 1 Fast Non Reasoning is a text model from xAI with a context window of 2.0M tokens and max output of 2.0M tokens. Pricing starts at $0.20 per million input tokens and $0.50 per million output tokens.
Specifications
| Model Key | xai/grok-4-1-fast-non-reasoning |
| Provider | xAI |
| LiteLLM Provider | xai |
| Mode | Text |
| Canonical Name | grok-fast-4.1 |
| Context Window | 2.0M tokens |
| Max Output | 2.0M tokens |
Capabilities
✓ Vision✓ Function Calling✗ Reasoning✓ JSON Schema✗ System Messages✓ Web Search✗ Prompt Caching✓ Audio Input✗ Audio Output
Pricing
| Type | Per 1K Tokens | Per 1M Tokens |
|---|---|---|
| Input Tokens | $0.000200 | $0.200 |
| Output Tokens | $0.000500 | $0.500 |
| Cache Read (Input) | $0.000050 | $0.050 |
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|---|---|---|---|---|---|---|---|---|
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| Grok 4 1 Fast | xAI | Text | $0.200 | $0.500 | 2.0M | 2.0M | yes | yes |
| Grok 4 1 Fast Non Reasoning | xAI | Text | $0.200 | $0.500 | 2.0M | 2.0M | yes | yes |
| Grok 4 1 Fast Reasoning | xAI | Text | $0.200 | $0.500 | 2.0M | 2.0M | yes | yes |
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| Grok 4 Fast:free | OpenRouter | Text | N/A | N/A | 2.0M | 30K | no | yes |