Tuesday, April 14, 2026 · 1 of 5
Claude Mythos Preview
Anthropic's most powerful model ever, 93.9% on SWE-bench Verified, but deliberately withheld from public release due to cybersecurity risks
JadidJust-in AI Developments, Incidents & DeadlinesJadidJust-in AI Developments, Incidents & DeadlinesTuesday, April 14, 2026 · 1 of 5
Anthropic's most powerful model ever, 93.9% on SWE-bench Verified, but deliberately withheld from public release due to cybersecurity risks