Grok 4 Fast specs, prices, where it runs and its benchmark standing
closed weights · top 10 on 0 of 2 · released Sep 19, 2025
Facts
- Provider
- SpaceXAI
- Release date
- Sep 19, 2025
- Boards
- Parameters
- Not disclosed by SpaceXAI
- Modalities
- Text to Text
- Boards
- Weights
- Closed weights
- Benchmarks
- 2 boards captured
| Rank | Board | Score | |||
|---|---|---|---|---|---|
| 34 | Agents and tools | 1,161 | 40 | ||
| 90 | Reasoning | 144.3 | 100 |
Versions and release history
2 versions in this line since Sep 19, 2025, from Pricing, OpenRouter and the boards.
| Version | Released | |
|---|---|---|
| Grok 4 1 Fast | Nov 1, 20251 year ago | Releases |
| Grok 4 Fastthis model | Sep 19, 20251 year ago | Boards |