Claude Opus 5 vs Grok 4.7
Verdict
- Claude Opus 5 (high) leads on quality: 70.2 vs 65.8.
- Claude Opus 5 (high) is stronger in agents & tools, coding, composite, human preference, knowledge, long context, maths, multimodal.
- Grok 4.7 (high) is stronger in reasoning.
- Grok 4.7 (high) is 3.3× cheaper ($3.00 vs $10.00 per 1M blended).
| Metric | Claude Opus 5 (high) | Grok 4.7 (high) |
|---|---|---|
| BenchLeader Index | 70.2 | 65.8 |
| Agents & tools score | 66.0 | – |
| Coding score | 71.9 | – |
| Composite score | 89.8 | 87.5 |
| Human preference score | 69.8 | – |
| Knowledge score | 80.0 | 72.6 |
| Long context score | 65.9 | 64.8 |
| Maths score | 72.3 | – |
| Multimodal score | 67.6 | – |
| Reasoning score | 75.6 | 76.4 |
| Blended price $/M | $10.00 | $3.00 |
| Output speed | 59 tok/s | 55 tok/s |
| Time to first answer | 14.4 s | 1.4 s |
| Context window | 1M | 500k |
| Terminal-Bench | 50.3% | – |
| OSWorld-Verified 2.0 | 29.0% | – |
| SciCode | 54.3% | – |
| WeirdML | 91.6% | – |
| LMArena Text | 1493 | – |
| LMArena Hard Prompts | 1517 | – |
| LMArena Coding | 1533 | – |
| LMArena WebDev | 1660 | – |
| LMArena Vision | 1321 | – |
| LMArena Agent | 10.2 | – |
| AA Intelligence Index | 48.1 | 46.3 |
| AA-LCR | 79.0% | 77.0% |
| MMMU-Pro | 82.4% | – |
| AA-Omniscience | 33.7 | 30.9 |
| GPQA Diamond (AA) | 93.7% | – |
| Humanity's Last Exam (AA) | 52.8% | 42.3% |
| SciCode (AA) | 55.4% | 57.8% |
| LegalBench | – | 85.1% |
| ARC-AGI-1 | 97.5% | – |
| ARC-AGI-2 | 88.3% | – |
| ARC-AGI-3 | 30.2% | – |
| CritPt | 28.3% | 18.0% |
| GDPval (AA) | 54.0% | 59.7% |
| τ²-Bench Banking (AA) | 44.7% | – |
| 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 | 1525 | – |
| LMArena Creative Writing | 1474 | – |
| LMArena Instruction Following | 1499 | – |
| LMArena Multi-turn | 1484 | – |
| LMArena Longer Queries | 1508 | – |
| LMArena Document | 1490 | – |
| DeepSWE | 72.8% | – |
| CursorBench | 66.7% | – |
| ALE-Bench | 2164.6 | – |
Data as of 2026-09-21. Best configuration of each model; every score links to its source on the model pages.
Claude Opus 5 vs Grok 4.7: questions
- Is Claude Opus 5 better than Grok 4.7?
- Claude Opus 5 (high) leads on quality: 70.2 vs 65.8. The BenchLeader Index combines every independent quality benchmark; Claude Opus 5 (high) is ahead overall as of 2026-09-21, but check the category scores for your use.
- Which is cheaper, Claude Opus 5 or Grok 4.7?
- Grok 4.7 is cheaper: $3.00 against $10.00 per million tokens, blended at three input tokens per output token.
- Which is faster, Claude Opus 5 or Grok 4.7?
- Claude Opus 5 streams faster: 59 against 55 output tokens per second.
- Which has the larger context window?
- Claude Opus 5 accepts more context: 1M against 500k tokens.