/claude-opus-5-5-thinking-block-prefix-binding-append-only-agents/ Claude Opus 5.5 Now Rejects Its Own Thinking If You Edited the Prompt Under It Sep 26
/anthropic-refusal-billing-bio-frontier-llm-reasoning-extraction/ Claude's Refusals Have Been Free Since June. Three Categories Just Stopped Being Free Sep 25
/anthropic-claude-flashpairformer-biomolecular-kernels/ Claude Wrote GPU Kernels That Beat Nvidia's on AlphaFold-Class Models. It Also Mapped Exactly Where They Break Sep 23
/anthropic-postmortem-xla-topk-precision-bug/ Claude Degraded for a Month. The Cause Was a Workaround Nobody Fully Understood. Sep 17
/ai-lean-verified-fluid-blowup-openai-dispute/ A Lean-Verified Fluid Blowup Proof, and the Fight Over Who Gets Credit Sep 9
/claude-fermats-last-theorem-lean-proof/ Claude Just Produced the First Computer-Checked Proof of Fermat's Last Theorem Sep 6
/claude-fable-5-1-mythos-5-1-launch/ Claude Fable 5.1 Cuts Cache Reads 75% While Doubling a Key Agent Benchmark Sep 3
/anthropic-enterprise-frontier-safeguards-data-retention/ Anthropic Rebuilds Its Data Retention Deal Around Your Own Cloud Sep 2
/claude-session-hijacking-infostealer-malware/ Infostealers Are Hijacking Claude Sessions, and MFA Isn't Stopping Them Sep 1
/claude-in-chrome-general-availability/ Claude in Chrome Goes GA, and Now It Acts Without Asking First Aug 31
/claude-unified-memory-cowork-chat-topics/ Claude's Memory Now Follows You From Chat Into Cowork, and You Can Audit Every Topic It Kept Aug 26