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Model details
xAI: Grok 4.1 Fast
Find out what this model does, when it was released, and which provider serves it.
Kilo Gatewayx-ai/grok-4.1-fast
Quick Info
- Provider
- Kilo Gateway
- Model key
- x-ai/grok-4.1-fast
- Release date
- Nov 19, 2025
- Last updated
- Nov 19, 2025
- Knowledge
- Unknown
- Input modalities
- text, image
- Output modalities
- text
- Capabilities
- Reasoning, Tool calling, Attachments, Temp controls
- Cost summary
- In $0.20 · Out $0.50
- Limit summary
- 2,000,000 token context window
Cost
- Input token cost
- $0.20
- Output token cost
- $0.50
Limits
- Output tokens
- 30,000 tokens
- Context window
- 2,000,000 tokens