Claude Sonnet 4.6
- Made by
- Anthropic
- Released
- Announced in
- Introducing Sonnet 4.6anthropic.com
- Event
- Claude Sonnet 4.6
- API record
- /api/v1/models/claude-sonnet-4-6
Benchmark results
| Benchmark | Score | Source check |
|---|---|---|
| Humanity's Last ExamNo tools | 33.2% | CheckedA person checked this number against its source on 19 Oct 2026. This confirms the number matches what the lab published, not that the score was reproduced.CorroboratedThe same number is printed in 1 other lab document: 1 |
| re-graded with an updated grader model · reported later, in Introducing Claude Sonnet 5 | 34.6% | CheckedA person checked this number against its source on 19 Oct 2026. This confirms the number matches what the lab published, not that the score was reproduced.CorroboratedThe same number is printed in 1 other lab document: 1 |
| Humanity's Last ExamWith tools · web search, web fetch, code execution, programmatic tool calling; compaction at 50K up to 3M tokens; max effort | 49.0% | CheckedA person checked this number against its source on 19 Oct 2026. This confirms the number matches what the lab published, not that the score was reproduced.CorroboratedThe same number is printed in 1 other lab document: 1 |
| re-graded with an updated grader model · reported later, in Introducing Claude Sonnet 5 | 46.8% | CheckedA person checked this number against its source on 19 Oct 2026. This confirms the number matches what the lab published, not that the score was reproduced.CorroboratedThe same number is printed in 1 other lab document: 1 |
| SWE-bench Proreported later, in Introducing Claude Sonnet 5 · The source doesn't say whether this is the public or the commercial set | 58.1% | CheckedA person checked this number against its source on 19 Oct 2026. This confirms the number matches what the lab published, not that the score was reproduced.CorroboratedThe same number is printed in 1 other lab document: 1 |
| GPQA Diamond | 89.9% | CheckedA person checked this number against its source on 19 Oct 2026. This confirms the number matches what the lab published, not that the score was reproduced.CorroboratedThe same number is printed in 1 other lab document: 1 |
| BrowseCompweb search, web fetch, programmatic tool calling; compaction at 50K up to 10M tokens; max effort, no thinking | 74.7% | CheckedA person checked this number against its source on 19 Oct 2026. This confirms the number matches what the lab published, not that the score was reproduced.CorroboratedThe same number is printed in 1 other lab document: 1 |
| card update of 6 Mar 2026 after improved cheating detection; no thinking, max effort · in Claude Sonnet 4.6 System Card | 74.01% | CheckedA person checked this number against its source on 19 Oct 2026. This confirms the number matches what the lab published, not that the score was reproduced. |
| reported later, in Claude Sonnet 5 System Card | 76.2% | CheckedA person checked this number against its source on 19 Oct 2026. This confirms the number matches what the lab published, not that the score was reproduced. |
| ARC-AGI-2max effort, 120K thinking budget | 58.3% | CheckedA person checked this number against its source on 19 Oct 2026. This confirms the number matches what the lab published, not that the score was reproduced.CorroboratedThe same number is printed in 1 other lab document: 1 |
| high effort, 120K thinking budget; run by the ARC Prize Foundation on its private set | 60.4% | CorroboratedThe same number is printed in 1 other lab document: 1 |
Sources
Reported by Anthropic
- Claude Sonnet 4.6 System Cardanthropic.com · 17 Feb 2026
- Introducing Sonnet 4.6anthropic.com · 17 Feb 2026
Original image - Claude Sonnet 5 System Cardanthropic.com · 30 Jun 2026
Our capture of page 115 - Introducing Claude Sonnet 5anthropic.com · 30 Jun 2026
Original image
