Anthropic — reported benchmarks
Anthropic · source page ↗ · last checked Oct 19, 2026, 12:03 AM
Reported benchmarks · Claude Opus 5.5
captured Oct 19, 2026, 12:03 AM| Benchmark | Score |
|---|---|
| SWE-bench Pro | 89.9% |
| Terminal-Bench 4.0 | 66.4% · xhigh effort; standard error ±2.6 pts |
| FrontierCode v1.1 Main | 54.4% |
| CursorBench 4.0 | 57.8% |
| GDPval-AA v2.1 | 1846 Elo |
| Humanity's Last Exam | 67.7% · with tools |
| Terminal-Bench-Science 0.1 | 58.7% |
| OSWorld 2.1 | 81.8% · partial credit |
| Chartography | 89.0% · with tools |
| AutomationBench | 40.0% |
| SWE-bench Multilingual | 93.9% |
| ArXivMath | 91.2% · without tools; 96.9% with tools |
Vendor-reported via automated web search — not independently verified. See the cited matrix on /models.
In the news · Anthropic
- Anthropic strikes deal to launch European consultancy
- Anthropic Adds Opt-In Security Scanning for Critical Open-Source Projects
- Why OpenAI Lowered Its Price Tag Weeks Before Anthropic Goes Public
- From Eyeballs To Annual Run Rates: Buzzy Pricing Metrics And The Anthropic Trade
- Anthropic launches Claude Duet to automate cross-app tasks
- Anthropic unveils Claude Duet, an AI agent for everyday work | ETIH EdTech News
- Open call for guest investigators in the life sciences
- Anthropic's proposed AI safety bill only allows government to block models under extreme conditions
Importance-filtered press coverage (Google News) mentioning Anthropic. Headlines link to the original; verify before acting.
Change history
- Vendor claim Oct 19, 2026, 12:03 AM
Anthropic reported benchmarks updated
Claude Opus 5.5: 12 benchmark claims (via web search)
- Vendor claim Oct 11, 2026, 6:03 PM
Anthropic reported benchmarks updated
Claude Opus 5.5: 12 benchmark claims (via web search)
- Vendor claim Oct 4, 2026, 12:03 PM
Anthropic reported benchmarks updated
Claude Opus 5.5: 15 benchmark claims (via web search)
- Vendor claim Sep 27, 2026, 12:02 PM
Anthropic reported benchmarks updated
Claude Opus 5.5: 4 benchmark claims (via web search)
- Vendor claim Sep 20, 2026, 6:02 AM
Anthropic reported benchmarks updated
Claude Opus 4.8: 9 benchmark claims (via web search)
- Vendor claim Sep 13, 2026, 12:03 AM
Anthropic reported benchmarks updated
Claude Opus 5.1: 7 benchmark claims (via web search)
- Vendor claim Sep 5, 2026, 6:02 PM
Anthropic reported benchmarks updated
Claude Opus 5: 7 benchmark claims (via web search)
- Vendor claim Aug 29, 2026, 6:02 PM
Anthropic reported benchmarks updated
Claude Opus 5: 11 benchmark claims (via web search)
- Vendor claim Aug 22, 2026, 12:02 PM
Anthropic reported benchmarks updated
Claude Opus 5: 12 benchmark claims (via web search)
- Vendor claim Aug 15, 2026, 12:02 PM
Anthropic reported benchmarks updated
Claude Opus 5: 5 benchmark claims (via web search)
- Vendor claim Aug 8, 2026, 12:02 AM
Anthropic reported benchmarks updated
Claude Opus 5: 12 benchmark claims (via web search)
- Vendor claim Jul 31, 2026, 6:02 PM
Anthropic reported benchmarks updated
Claude Opus 5: 11 benchmark claims (via web search)
- Vendor claim Jul 24, 2026, 12:02 PM
Anthropic reported benchmarks updated
Claude Opus 4.8: 11 benchmark claims (via web search)
- Vendor claim Jul 17, 2026, 6:02 AM
Anthropic reported benchmarks updated
Claude Opus 4.8: 12 benchmark claims (via web search)
- Vendor claim Jul 10, 2026, 12:02 AM
Anthropic reported benchmarks updated
Claude Opus 4.8: 12 benchmark claims (via web search)
- Vendor claim Jul 2, 2026, 6:02 PM
Anthropic reported benchmarks updated
Claude Opus 4.8: 11 benchmark claims (via web search)
- Vendor claim Jun 25, 2026, 1:18 PM
Anthropic reported benchmarks updated
Claude Opus 4.8: 10 benchmark claims (via web search)