Model
Grok 4.20 (Reasoning)
Reasoning Grok for document-heavy analysis and long-horizon tool use
4 providersreleased closed weights
$1.25
best input /M · Impossibl
$2.50
best output /M
1M
context window
30K
max output
Compare providers (sorted by listed input price)
| Provider | Input /M | Output /M | Cache read /M | Cache write /M | Context | Capabilities | Status | Updated |
|---|---|---|---|---|---|---|---|---|
| Impossibl xai/grok-4.20-0309-reasoning | $1.25 | $2.50 | $0.2 | — | 1M | reasoningtoolsstructuredvision | Mar 9, 2026 | |
| xAI grok-4.20-0309-reasoning | $1.25 | $2.50 | $0.2 | — | 1M | reasoningtoolsstructuredvision | Mar 9, 2026 | |
| Merge Gateway xai/grok-4.20-0309-reasoning | $1.25 | $2.50 | $0.2 | — | 1M | reasoningtoolsstructuredvision | Mar 9, 2026 | |
| Eden AI xai/grok-4.20-0309-reasoning | $1.25 | $2.50 | $0.2 | — | 1M | reasoningtoolsstructuredvision | Mar 9, 2026 |
Price badge
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Prices are per million tokens (USD). “—” means the provider does not publicly list a price for this model. Data from models.dev; verify with the provider before purchasing.