Claude Sonnet 5 vs Grok 4.7
Claude Sonnet 5 
Grok 4.7 Verdict
- Grok 4.7 (high) leads on quality: 65.8 vs 62.1.
- Claude Sonnet 5 (high) is stronger in agents & tools, coding, human preference, maths, multimodal.
- Grok 4.7 (high) is stronger in composite, knowledge, long context, reasoning.
- Grok 4.7 (high) is 1.3× cheaper ($3.00 vs $4.00 per 1M blended).
| Metric | Claude Sonnet 5 (high) | Grok 4.7 (high) |
|---|---|---|
| BenchLeader Index | 62.1 | 65.8 |
| Agents & tools score | 62.0 | – |
| Coding score | 61.5 | – |
| Composite score | 68.9 | 87.5 |
| Human preference score | 65.9 | – |
| Knowledge score | 62.3 | 72.6 |
| Long context score | 64.7 | 64.8 |
| Maths score | 66.9 | – |
| Multimodal score | 62.6 | – |
| Reasoning score | 69.5 | 76.4 |
| Blended price $/M | $4.00 | $3.00 |
| Output speed | 71 tok/s | 55 tok/s |
| Time to first answer | 11.7 s | 1.4 s |
| Context window | 1M | 500k |
| SciCode | 48.6% | – |
| WeirdML | 68.8% | – |
| LMArena Text | 1461 | – |
| LMArena Hard Prompts | 1489 | – |
| LMArena Coding | 1521 | – |
| LMArena WebDev | 1537 | – |
| LMArena Vision | 1277 | – |
| LMArena Agent | 6 | – |
| AA Intelligence Index | 31.7 | 46.3 |
| AA-LCR | 76.7% | 77.0% |
| AA-Omniscience | -3.7 | 30.9 |
| Humanity's Last Exam (AA) | 35.7% | 42.3% |
| SciCode (AA) | 54.3% | 57.8% |
| LegalBench | – | 85.1% |
| CritPt | 15.1% | 18.0% |
| GDPval (AA) | 37.3% | 59.7% |
| Code Migration | – | 34.7% |
| Excel Modeling Benchmark | – | 54.9% |
| Harvey's Legal Agent Benchmark | – | 19.6% |
| Legal Research Bench | – | 39.9% |
| MedCode | – | 48.7% |
| MedScribe | – | 87.2% |
| ProgramBench | – | 0.0% |
| Public Benefits Bench | – | 68.5% |
| SAGE | – | 31.0% |
| LMArena Maths | 1476 | – |
| LMArena Creative Writing | 1437 | – |
| LMArena Instruction Following | 1465 | – |
| LMArena Multi-turn | 1473 | – |
| LMArena Longer Queries | 1482 | – |
| LMArena Document | 1476 | – |
| DeepSWE | 48.2% | – |
| CursorBench | 56.9% | – |
| ALE-Bench | 1463.1 | – |
Data as of 2026-09-21. Best configuration of each model; every score links to its source on the model pages.
Claude Sonnet 5 vs Grok 4.7: questions
- Is Claude Sonnet 5 better than Grok 4.7?
- Grok 4.7 (high) leads on quality: 65.8 vs 62.1. The BenchLeader Index combines every independent quality benchmark; Grok 4.7 (high) is ahead overall as of 2026-09-21, but check the category scores for your use.
- Which is cheaper, Claude Sonnet 5 or Grok 4.7?
- Grok 4.7 is cheaper: $3.00 against $4.00 per million tokens, blended at three input tokens per output token.
- Which is faster, Claude Sonnet 5 or Grok 4.7?
- Claude Sonnet 5 streams faster: 71 against 55 output tokens per second.
- Which has the larger context window?
- Claude Sonnet 5 accepts more context: 1M against 500k tokens.