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Model details
Grok 4 Fast Thinking
Find out what this model does, when it was released, and which provider serves it.
NanoGPTx-ai/grok-4-fast:thinkinggrok
Quick Info
- Provider
- NanoGPT
- Model key
- x-ai/grok-4-fast:thinking
- Release date
- Jul 9, 2025
- Last updated
- Jul 9, 2025
- Knowledge
- Unknown
- Input modalities
- text, image
- Output modalities
- text
- Capabilities
- Reasoning, Tool calling, Structured output, Attachments
- 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
- Input tokens
- 2,000,000 tokens
- Output tokens
- 131,072 tokens