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Grok 4 Fast
xAI · proprietary · grok-4-fast
Grok 4 Fast is a high-speed variant of Grok-4, optimized for faster inference while maintaining strong reasoning capabilities. It offers improved throughput and lower latency compared to the standard Grok-4 model.
Benchmark scores
| Benchmark | Score |
|---|---|
| SimpleQA | 0.95 |
| HMMT 2025 | 0.93 |
| AIME 2025 | 0.92 |
| GPQA | 0.86 |
| LiveCodeBench | 0.80 |
| Humanity's Last Exam | 0.20 |
Pricing
- No provider pricing.
AA metrics
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Arena Elo
- No Arena snapshot linked.