Model
Grok-4-Fast-Reasoning
1 providers
$0.2
best input /M · Poe
$0.5
best output /M
2M
context window
128K
max output
Compare providers (sorted by listed input price)
| Provider | Input /M | Output /M | Cache read /M | Cache write /M | Context | Capabilities | Status | Updated |
|---|---|---|---|---|---|---|---|---|
| Poe xai/grok-4-fast-reasoning | $0.2 | $0.5 | $0.05 | — | 2M | reasoningtoolsno structuredvision | Sep 16, 2025 |
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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.