Revision History
Claude Sonnet 4 · 7 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.
- Correction: Corrected false claims that Sonnet 4 was the first Claude model offered free and that Cursor/Replit/Block/Rakuten launch endorsements referred to it (they were about Opus 4), rebuilt the benchmark table from Anthropic's launch chart (removing invented HumanEval, Claude 3.5 Sonnet and GPT-4o figures and restoring the reported 80.2% high-compute SWE-bench score), fixed the Opus 4.1 OSWorld, Sonnet 4.6 SWE-bench and Opus 4 prompt-injection figures, corrected misstatements of the system card, Interconnects and revenue sources, and updated the page for Sonnet 4's June 15, and other errors (plus 27 minor fixes)
Version 7 · Nov 2, 2026, 08:32 AM
- Improve internal links (2026-10-13)
Version 5 · Oct 13, 2026, 10:21 AM
- Added 6 contextual internal links
Version 4 · Jul 23, 2026, 03:30 PM
- Pre-update snapshot before enhancement to 8289 words.
Version 2 · May 18, 2026, 04:00 AM