On this day: Nov 24
3 records from this date in 2025.
2025
1 year ago · 3 recordsAnthropic releases advanced tool use in betaAnthropic
Cut tool tokens by 85% while MCP evaluation accuracy rose from 49% to 74% on Opus 4 — the paradox that showing fewer tools makes the model more accurate
MCP & Skills StandardizationOfficial
Anthropic reports prompt injection defense results (Claude for Chrome)Anthropic
About 1% attack success rate against adaptive attacks. Stated explicitly that no browser agent is immune and that it does not claim the problem is solved
Anthropic releases Claude Opus 4.5Anthropic
Company-reported: at medium effort it matches Sonnet 4.5’s best SWE-bench Verified score while using 76% fewer output tokens