xA
grok-4-fast
xai/grok-4-fast
Unknown Fresh
Identity
- Provider
- xai
- Canonical ID
- grok-4-fast
- Family
- grok-4-fast
- Input modalities
- –
- Output modalities
- –
Lifecycle
- Released
- –
- Deprecated
- –
- Sunset
- –
- Retired
- –
Specs
- Context window
- 131,072 tokens
- Max output
- –
Capabilities
- tool use : true
- vision : unknown
- json mode : unknown
- streaming : unknown
- caching : unknown
- reasoning : unknown