Revision History
Claude Sonnet 5 · 11 revisions
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Recent edit summaries
Detailed summaries recorded by editors. Generic maintenance summaries are omitted here; every recorded revision remains below. Dates describe the edit, not necessarily the event it covers.
- Improve internal links (2026-10-13)
Version 11 · Oct 13, 2026, 10:14 AM
- Correction: GDP.pdf figures are Anthropic's internal-harness mean criteria pass rates, not Surge's strict pass rate
Version 10 · Sep 30, 2026, 03:29 AM
- Correction: launch table did compare against Opus 4.8; Artificial Analysis ranking vs GPT-5.5 xhigh; restored Project Glasswing sourcing; testimonial count by version; launch-table provenance; OSWorld harness note; citations
Version 9 · Sep 29, 2026, 07:23 AM
- Correction: Haiku 4.5 release date (Oct 15, 2025, not Oct 1); stale Fable 5 'most capable' line and unsourced Project Glasswing claim; launch-table provenance (GDPval-AA run by Artificial Analysis, Harvey held-out by Harvey, not all Anthropic runs); FrontierCode methodology claim unsupported; 'deliberately tuned' to surface concerns (card reports an observation); Zvi attributions (user reactions vs his own view); Willison used his own token counter; testimonials not all from engineers; unverified 'fifth at launch' AA rank removed; stale Priority Tier, Fast mode, and price lists. Update: Sonnet 5.5 succession, legacy status and retirement not before June 30, 2027, Sonnet 5 as cyber/frontier-LLM fallback model, Sonnet 5 scores on newer benchmark versions (Terminal-Bench 4.0, FrontierCode 1.1, CursorBench 4.0, GDPval-AA v2.1, AA-Briefcase v1.1, HLE, OSWorld 2.1, Chartography), CursorBench version (figures match 3.1), Aug 10 permanent pricing, CVP on Google Cloud, computer-use toolset, AA v4.3.2 and LMArena as of Sep 2026.
Version 8 · Sep 29, 2026, 07:05 AM
- Correction: retained $2/$10 standard pricing and marked the planned September increase cancelled; corrected affected cost comparisons
Version 7 · Sep 11, 2026, 08:50 AM