Model
Grok 4.2 Fast
1 providers
$3
best input /M · ZenMux
$9
best output /M
2M
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 |
|---|---|---|---|---|---|---|---|---|
| ZenMux x-ai/grok-4.2-fast | $3 | $9 | — | — | 2M | reasoningtoolsno structuredvision | Mar 20, 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.