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xAI: Grok 4 Fast
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|---|---|
| Overview | |
| Provider | xAI |
| Our Score | 82 |
| Performance Tier | Professional |
| Best For | — |
| Released | Sep 2025 |
| Knowledge Cutoff | — |
| Dimension Scores | |
| Intelligence | 4.7 / 10 |
| Technical | 5.2 / 10 |
| Content | 6.6 / 10 |
| Value | 8.3 / 10 |
| Pricing | |
| Input / 1M tokens | $0.20 |
| Output / 1M tokens | $0.50 |
| Performance | |
| Context Window | 2M |
| Throughput (tok/s) | — |
| Latency (TTFT ms) | — |
| Parameters | — |
| Intelligence Indices (Artificial Analysis) | |
| Intelligence | 27.4 |
| Coding | — |
| Math | 89.7 |
| Agentic | 42.4 |
| Benchmarks | |
| MMLU-Pro | 0.9 |
| MMLU | — |
| GPQA Diamond | 0.8 |
| GPQA (HF) | — |
| LiveCodeBench | 0.8 |
| HumanEval | — |
| MATH-500 | — |
| AIME '25 | 0.9 |
| AIME | — |
| MATH (HF) | — |
| Humanity's Last Exam | 0.2 |
| SWE-bench | — |
| IFBench | 0.5 |
| IFEval | — |
| Capabilities | |
| Tool Use | ✓ Yes |
| Function Calling | ✓ Yes |
| Vision | ✓ Yes |
| Open Source | ✗ No |
| License | — |
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