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Grok 4 Fast is xAI's latest multimodal model with SOTA cost-efficiency and a 2M token context window. It comes in two flavors: non-reasoning and reasoning. Read more about the model on xAI's [news post](http://x.ai/news/grok-4-fast). Reasoning can be enabled/disabled using the `reasoning` `enabled` parameter in the API. [Learn more in our docs](https://openrouter.ai/docs/use-cases/reasoning-tokens#controlling-reasoning-tokens)
| 信号 | 强度 | 权重 | 影响 |
|---|---|---|---|
| Benchmarksjust now | 70 | 30% | +20.9 |
| Capabilitiesjust now | 100 | 20% | +20.0 |
| Recencyjust now | 99 | 15% | +14.8 |
| Context Windowjust now | 100 | 10% | +10.0 |
| Output Capacityjust now | 75 | 10% | +7.5 |
| Pricingjust now | 1 | 15% | +0.1 |
社区和从业者反馈在基准测试和价格之上增加了真实世界的信号。
Share your experience with Grok 4 Fast and help the community make better decisions.
成本估算器
每月比类别平均节省$39.64
来自已验证的来源。