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Grok 4.20 (Reasoning)
Reasoning Grok for document-heavy analysis and long-horizon tool use
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Grok 4.20 (Reasoning) FAQ
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Model family
Grok
-
Focus areas
ReasoningConversationMultimodal AI
Core specifications
Released
2026-03-09
Context window
1M
Max output
30K
Weights
Closed
Modalities
Input
DocumentImageText
Output
Text
Identity
- Version
- grok-4.20-0309-reasoning
- Aliases
- Grok 4.20 (Reasoning)
Capabilities
AttachmentsReasoningStructuredTemperatureTool call
Pricing
IN $1.25/M
OUT $2.5/M
Read $0.2/M
Capabilities and fit
Model summary
Reasoning Grok for document-heavy analysis and long-horizon tool use
Text
AttachmentsReasoningStructuredTemperatureTool call
- Output
- Text
- Capabilities
- 5
- Catalog updated
- 2026-03-09T00:00:00.000Z
- Status
Provider coverage
| Provider | Input | Output | Pricing |
|---|---|---|---|
| xAI | IN $1.25/M OUT $2.5/M Read $0.2/M | ||
| Merge Gateway | IN $1.25/M OUT $2.5/M Read $0.2/M |