benchmarks
Claude Sonnet 5’s release status, specifications, pricing, and benchmark results: Not yet confirmed by public reporting. Results or incidents involving other Claude Sonnet generations do not establish this model’s performance or safety profile.
Benchmark results
Every figure links to where it was published. Compare like with like — harnesses and prompt setups differ between vendors.
| Benchmark | Score | Source |
|---|---|---|
| GPQA DiamondPhD-level science questions | 90.5%1 Jul 2026 | View |
| OTIS Mock AIME 2024-25Competition mathematics | 94.7%1 Jul 2026 | View |
| SimpleQA VerifiedShort factual questions (hallucination resistance) | 33.7%27 Aug 2026 | View |
| LMArena TextHuman preference Elo from blind chat votes (not a percentage) | 1442 Elo22 Oct 2026 | View |
| LMArena WebDevHuman preference Elo for building web apps (not a percentage) | 1541 Elo23 Oct 2026 | View |
Weighted mean of 3 verified benchmark results: GPQA Diamond 90.5%, OTIS Mock AIME 2024-25 94.7%, SimpleQA Verified 33.7%.
Profile last reviewed 10/27/2026 and re-checked automatically every few hours against the vendor's published documentation, papers and public leaderboards. Scores come from the cited benchmark results above — confirm limits and pricing against the provider's own documentation before building on them.