US government ordered Anthropic to suspend Fable-5 and Mythos-5 due to export control directive.

Anthropic blocks Claude from outputting 8 copyleft licenses including GPL-3 and Apache 2.0

Anthropic reportedly seeking $2B at a $30-40B valuation

Launched /loop command enabling autonomous multi-agent workflows in Claude Code

Released Claude Fable 5 migration docs warning that old skills degrade output quality

Anthropic published research showing Claude Sonnet 4 fails biology retrieval, missing Ebola sequences

Published article proposing layered architecture for recommendation systems to replace monolithic approaches

Introduced the Deep Neural Lesion (DNL) method for finding critical parameters in neural networks.

Experienced stock decline due to AI displacement concerns from Claude Code capabilities

Stock price plunged 13.1% following Anthropic's COBOL tool announcement.