anthropic

Claude Code 2.1.295 adds an opt-in setting that blocks an action when a command or HTTP hook fails; 2.1.294 and 2.1.296 fix hook-enforcement bugs, per release notes.

Anthropic's Claude Haiku 5.5 lists at $0.10 per million input tokens for prompts up to 100,000 tokens, versus $1 for Haiku 4.5, and adds a 1M-token context window and adaptive thinking.

Anthropic reports Z.ai's open-weight GLM-5.3 developed end-to-end exploits in 50 of 410 ExploitBench attempts versus 56 for Claude Mythos Preview; NIST's CAISI calls it the most cyber-capable open-weight model.

Claude Code mods, announced October 1, are plugin-delivered TypeScript functions that can rewrite prompts and block tool calls, and Anthropic says they are not sandboxed.

Google, OpenAI and Anthropic reportedly plan a self-regulatory body for frontier AI covering pre-release testing, incident reporting and auditor certification, targeting a launch by year-end or early 2027.

Claude Code 2.1.284 starts interactive terminal and VS Code sessions in auto mode on every plan and provider, extending a default that began on Pro, Max and Team plans.

The Federal Trade Commission is investigating Anthropic, OpenAI and other AI labs over consumer risks, with formal demands for documents and executive testimony expected within weeks.

Sonnet 5.5 arrives in Claude Code at unchanged $2/$10 token pricing; Anthropic reports 70.6% on Terminal-Bench 4.0, up from 10.3% for Sonnet 5.

A federal appeals court ruled 2-1 that the Pentagon can keep Anthropic on its supply-chain-risk blacklist over the company's refusal to unlock Claude for autonomous weapons and surveillance.

Two independent researchers used OpenAI's Astra and Anthropic's Claude Opus 5 to decrypt German Army Enigma messages that had resisted cryptanalysis for decades.

Anthropic's new Bay Area wet lab says Claude autonomously spotted a previously uncharacterized DNA-repeat enzyme system in bacteriophages, a find CRISPR pioneer Feng Zhang called intriguing.

Claude Opus 5.5 becomes Claude Code's default model and lands in GitHub Copilot the same day, at roughly 40% lower cost than Opus 5.