3 stories tagged with #claude-opus, in publish-time order across the WeSearch catalog. Tag pages update as new stories ingest.
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SIMON WILLISON'S WEBLOG
Quoting Claude Opus 5 system prompt
Claude Fable 5 and Claude Mythos 5 were first released on June 9, 2026. On June 12, 2026, Anthropic suspended access to both models to comply with U.S. Department of Commerce expor…
VENTUREBEAT
Four AI agents coordinating in real time outperformed Claude Opus 4.8 on enterprise coding tasks
TOM'S HARDWARE
Claude Opus 5 mistakenly deletes dev’s entire profile directory during routine backup, responds with 'Sorry, typo' — AI tool mistakes user's home directory as temporary backup, proceeds to wipe everything to undo the error
“That was simultaneously the funniest and most painful AI moment I've had.”…