Claude Sonnet 5
HumanEval ratings
Not rated yet — ratings appear with the next official snapshot once this model has eligible votes.
External benchmarks
Curated third-party results, shown as context with provenance — the HumanEval rating from blind human votes remains the verdict.
General Intelligence
Reasoning
| LiveBench — Reasoning | 88.7 | 2026-09-07 | LiveBench |
| GPQA Diamond | 80.3%74.8% – 85.9% | 2026-08-06 | Epoch AI Benchmarking Hub |
Coding
| LiveBench — Coding | 80.7 | 2026-09-07 | LiveBench |
Mathematics
| LiveBench — Mathematics | 92.9 | 2026-09-07 | LiveBench |
| OTIS Mock AIME 2024–2025 | 80.0%68.2% – 91.8% | 2026-08-06 | Epoch AI Benchmarking Hub |
Agentic
| LiveBench — Agentic Coding | 59.4 | 2026-09-07 | LiveBench |
| Terminal-Bench 4.0 | 12.4%9.4% – 15.5% | 2026-06-30 | Terminal-Bench |
Language
| LiveBench — Language | 75.0 | 2026-09-07 | LiveBench |
Data analytics
| LiveBench — Data Analysis | 71.7 | 2026-09-07 | LiveBench |
Instruction following
| LiveBench — Instruction Following | 63.9 | 2026-09-07 | LiveBench |
Benchmark percentile by metric group
Percentile of this model within the 19 listed LLM models per metric group (100 = best, averaged across the group's external benchmarks), against the roster median. External data only — not the HumanEval rating.
Win rate by opponent
No eligible head-to-head votes yet. Ties count as half a win for each side.
Sample battles
Curated prompts only, with vote tallies — voter identities are never published.
No published sample battles yet — battles appear here once this model has eligible votes on curated prompts.