Grok 4.20 (Reasoning)
unknownxAI · grok family
Reasoning Grok for document-heavy analysis and long-horizon tool use
Limits
Context1,000,000
InputUnknown
Output30,000
Modalities
Inputtext, image, pdf
Outputtext
Release info
Release2026-03-09
Last update2026-03-09
Knowledge cutoffUnknown
Provider offerings
Provider-specific prices and limits stay separate from canonical model facts.
| Provider | Provider model ID | Input | Output | Context | Output limit |
|---|---|---|---|---|---|
| xAI | grok-4.20-0309-reasoning | $1.25 / 1M | $2.5 / 1M | 1,000,000 | 30,000 |
| Merge Gateway | xai/grok-4.20-0309-reasoning | $1.25 / 1M | $2.5 / 1M | 1,000,000 | 1,000,000 |
Capabilities
Attachments
Yes
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Temperature
Yes