Revision History
Claude Opus 4 · 8 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 the Opus 4 retirement status (retired June 15, 2026), the misattributed Sourcegraph quote, TAU-bench scores wrongly listed as unreported, the Claude 3.5 Sonnet MMMU score, a fabricated autonomous-replication evaluation and mischaracterized CBRN findings, Apollo's early-snapshot findings presented as self-exfiltration by the model, METR's time-horizon figure, the Series G date (February 2026), and Opus 4.1 benchmark claims attributed to Anthropic that came from Windsurf and GitHub (plus 29 minor fixes)
Version 8 · Nov 2, 2026, 06:41 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 6477 words.
Version 2 · May 18, 2026, 03:50 AM