Grok 3 Mini Fast
Grok 3 Mini Fast is a text model from 
xAI with a context window of 131K tokens and max output of 131K tokens. Pricing starts at 0.60 per million input tokens and 4.00 per million output tokens.
Capabilities
✗ Vision✓ Function Calling✓ Reasoning✗ JSON Schema✗ System Messages✓ Web Search✗ Prompt Caching✗ Audio Input✗ Audio Output
Specifications
| Model Key | xai/grok-3-mini-fast |
| Provider | xAI |
| Provider ID | xai |
| Mode | Text |
| Canonical Name | grok-3-mini-fast |
| Context Window | 131K tokens |
| Max Output | 131K tokens |
Pricing
| Type | Per 1K Tokens | Per 1M Tokens |
|---|---|---|
| Input Tokens | 0.000600 | 0.600 |
| Output Tokens | 0.0040 | 4.00 |
| Cache Read (Input) | 0.000150 | 0.150 |
Benchmarks
No benchmark data is available for this model.
All Variants
All available versions, regions, and API endpoints for Grok 3 Mini Fast.
Model Key | Provider | Mode | Input Price, $ | Output Price, $ | Context | Max Output | Vision | Functions |
|---|---|---|---|---|---|---|---|---|
| xai/grok-3-mini-fast | xAI | Text | 0.600 | 4.00 | 131K | 131K | no | yes |
| xai/grok-3-mini-fast-beta | xAI | Text | 0.600 | 4.00 | 131K | 131K | no | yes |
| xai/grok-3-mini-fast-latest | xAI | Text | 0.600 | 4.00 | 131K | 131K | no | yes |