Revision History
Claude 4 · 10 revisions
Sizes are character counts of the article source. The signed number is the change from the previous revision.
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 wrong Sonnet 4.5 benchmark scores (GPQA, MMMLU, MMMU, AIME), a misattributed 59% preference figure (Sonnet 4.6, not Sonnet 4.5), GPT-5.1's prompt-injection rate (12.6%, not 21.9%), the Opus 4.5 announcement date, ASL levels for Sonnet models and Opus 4.7, Haiku 4.5 vs Sonnet 4 comparison, swapped Opus 4.6/4.7 API breaking changes, a misdated RSP criticism, an unsupported pricing comparison, and updated stale status (Opus 4.8 added; Opus 4 and Sonnet 4 retired June 15, 2026) (plus 26 minor fixes)
Version 10 · Nov 2, 2026, 11:51 AM
- Update: added an official video.
Version 9 · Nov 1, 2026, 08:04 AM
- Improve internal links (2026-10-13)
Version 6 · Oct 13, 2026, 10:21 AM
- Added 6 contextual internal links
Version 5 · Jul 23, 2026, 03:30 PM
- Pre-update snapshot before enhancement to 6894 words.
Version 2 · May 18, 2026, 04:09 AM