grok-3-fast
xai
Medium
⚡ Fast
Grok-3-Fast text model.
Basic Information
Context Window
131,072
tokens
Max Output
—
tokens
Knowledge Cutoff
Last Update
Performance
Medium
Overall Rating
Technical Specifications
Detailed technical information and specifications
- Model ID
- grok-3-fast
- Provider
- xai
- Status
- active
- Created At
- Last Updated
- Availability
- General Availability
Features
Supported features and capabilities of this model
function_calling
structured_outputs
Pricing Details
Cost per 1 million tokens for different API types and usage patterns
Standard API
Text Modality
| Type | Price | Unit | Context Type |
|---|---|---|---|
Input | $5.000000 | per mtokens | Standard |
Output | $25.000000 | per mtokens | Standard |
Cached Input | $1.250000 | per mtokens | Standard Reduced cost for cached input |
Rate Limits
Request limits by subscription tier
Standard API Limits
| Tier | RPM | TPM | Additional Limits |
|---|---|---|---|
| tier_1 | 600 | — |