Claude Opus 4.7 vs Claude Opus 4.8
Claude Opus 4.7 Verdict
- Claude Opus 4.7 and Claude Opus 4.8 are level on quality (65.5 vs 64.7).
- Claude Opus 4.7 is stronger in agents & tools, human preference, knowledge, long context, maths, multimodal, reasoning.
- Claude Opus 4.8 is stronger in coding, composite, instruction following.
- They cost about the same ($10.00 per 1M blended).
| Metric | Claude Opus 4.7 | Claude Opus 4.8 |
|---|---|---|
| BenchLeader Index | 65.5 | 64.7 |
| Agents & tools score | 69.4 | 65.0 |
| Coding score | 64.8 | 65.7 |
| Composite score | 80.3 | 81.9 |
| Human preference score | 68.8 | 65.6 |
| Instruction following score | 58.5 | 61.6 |
| Knowledge score | 66.4 | 66.3 |
| Long context score | 65.9 | 65.3 |
| Maths score | 65.2 | – |
| Multimodal score | 65.7 | 64.4 |
| Reasoning score | 66.3 | 64.2 |
| Blended price $/M | $10.00 | $10.00 |
| Output speed | 46 tok/s | 58 tok/s |
| Time to first answer | 21.2 s | 29.5 s |
| Context window | 1M | 1M |
| Humanity's Last Exam | 36.2% | – |
| Terminal-Bench | 80.2% | – |
| SimpleBench | 61.7% | 64.8% |
| Remote Labor Index | – | 8.3% |
| WeirdML | 76.4% | – |
| FrontierCode | 38.5% | 46.5% |
| GSO-Bench | 44.1% | 47.1% |
| Epoch Capabilities Index | 156.3 | 158.3 |
| LMArena Text | 1495 | 1473 |
| LMArena Hard Prompts | 1519 | 1503 |
| LMArena Coding | 1547 | 1527 |
| LMArena WebDev | 1557 | 1540 |
| LMArena Vision | 1317 | 1289 |
| AA Intelligence Index | 40.7 | 42.0 |
| IFBench | 58.6% | 62.2% |
| AA-LCR | 78.7% | 77.7% |
| MMMU-Pro | 78.8% | – |
| AA-Omniscience | 27.3 | 28.8 |
| Terminal-Bench Hard | 51.5% | 58.3% |
| GPQA Diamond (AA) | 91.4% | 92.0% |
| Humanity's Last Exam (AA) | 42.3% | 48.7% |
| SciCode (AA) | – | 54.4% |
| τ²-Bench Telecom (AA) | 88.6% | 94.4% |
| AIME (Vals) | 96.3% | – |
| LiveCodeBench | 85.1% | 87.8% |
| MMLU-Pro | 89.9% | 89.6% |
| IOI | 47.1% | – |
| LegalBench | 85.3% | 83.6% |
| CorpFin | 66.1% | 66.7% |
| TaxEval | 75.3% | 75.6% |
| Terminal-Bench 2.1 (Vals) | 68.5% | 71.9% |
| SWE-bench (Vals) | 82.0% | 88.6% |
| GPQA Diamond (Vals) | 90.2% | 92.4% |
| Vals Index | 56.1 | 60.9 |
| HiL-Bench | 41.7% | 35.3% |
| EQ-Bench 4 | 1311 | 1281 |
| Kagi LLM Benchmark | 73.3% | – |
Data as of 2026-09-09. Best configuration of each model; every score links to its source on the model pages.