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Put up to 4 models beside each other — token prices, context windows, capabilities and provider, from the same catalogue the model pages read.
- Grok 4 FastxAIRemove
| Attribute | Grok 4 Fastgrok-4-fast |
|---|---|
| Pricing | |
| Input | $0.07 / 1M |
| Output | $0.175 / 1M |
| Cache Write (5m) | $0.07 / 1M |
| Cache Write (1h) | $0.07 / 1M |
| Cache Read | $0.07 / 1M |
| Web Search | $0 / 1M |
| Context | |
| Max context | 2M |
| Max output | N/A |
| Capabilities | |
| Vision | No |
| Function Calling | Yes |
| JSON Mode | Yes |
| Streaming | Yes |
| Catalogue | |
| Provider | xAI |
| Category | chat |
| Charge type | Pay As You Go |
| Released | — |
| Description | |
| Summary | Grok 4 Fast is xAI's cost-efficient multimodal model with a massive 2M-token context window. It’s available in both reasoning and non-reasoning modes, allowing developers to toggle deeper thinking when needed. Designed for scalable performance, it balances speed, capability, and price — with reasoning controllable via the reasoning_enabled API parameter. |