Revision History
Claude Mythos Preview · 9 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: one browser exploit chaining four vulnerabilities
Version 9 · Sep 30, 2026, 07:17 AM
- Correction: the 10,000+ Glasswing findings were made by Anthropic and about 50 partners, not autonomously by the model; Mozilla figure and triage quote re-cited to Anthropic's May 22 update; 90-day report promise re-cited to the April 7 announcement; Canada claim re-cited to Global News; CAISI testing claim re-cited to Cybersecurity Dive (Global News did not support it); trimmed exploit-technique detail and CVE identifier
Version 8 · Sep 30, 2026, 07:12 AM
- Verification fix: CVP covers certain Opus- and Sonnet-class models
Version 7 · Sep 29, 2026, 07:31 AM
- Correction: Mythos 5.1 is not yet available through the Cyber Verification Program (Mythos-class CVP access promised 'in the near future'/'soon'); only the LSVP route is live; link both program pages
Version 6 · Sep 29, 2026, 07:21 AM
- Replaced the Mythos 5.1 mention with a pointer paragraph to the new Claude Mythos 5.1 article and repointed the Fable 5.1 link to its own page
Version 5 · Sep 4, 2026, 03:52 AM