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Model details
Grok 4.20 (Reasoning)
Find out what this model does, when it was released, and which provider serves it.
xAIgrok-4.20-0309-reasoninggrok
Quick Info
- Provider
- xAI
- Model key
- grok-4.20-0309-reasoning
- Release date
- Mar 9, 2026
- Last updated
- Mar 9, 2026
- Knowledge
- Unknown
- Input modalities
- text, image
- Output modalities
- text
- Capabilities
- Reasoning, Tool calling, Attachments, Temp controls
- Cost summary
- In $2.00 · Out $6.00
- Limit summary
- 2,000,000 token context window
Cost
- Input token cost
- $2.00
- Output token cost
- $6.00
Limits
- Output tokens
- 30,000 tokens
- Context window
- 2,000,000 tokens