Anthropic

A Florida woman is facing felony charges after Anthropic's Claude AI, which she used as a diary, reported her written plan to 'shoot up' the Sheriff's office to police. A human reviewer examined the statements before reporting them, highlighting the privacy and legal implications of AI diary use.

AI Safety & Ethics • Hacker News

Researchers from Vals AI used Anthropic's Opus 5.5 agents to discover two room-temperature magnetic semiconductor candidates, a significant finding for computer memory research. The agents were able to identify the candidates, which are in between ferromagnets and antiferromagnets.

AI Research • Hacker News

Meta and Microsoft are sharply cutting their use of Anthropic's Claude, with Microsoft slashing its monthly per-employee budget in its cloud division from $100,000 to $10,000 and Meta halving its Claude Code users to 30,000. The pullback comes as Anthropic transforms from a partner into a competitor.

Business & Industry • The Decoder

This deep dive analyzes OpenRouter's massive token usage growth (146 trillion tokens in a week) and its implications for the AI industry, including Anthropic's IPO plans and the debate over whether an AI bubble exists. It provides valuable insights into AI market trends and tokenomics.

AI Industry Analysis • IndyDevDan

ANTH

Anthropic is reportedly becoming America's biggest corporate donor ahead of its mega IPO. Employees donated $540 million in 2025 alone, nearly five times as much as the next-largest Fortune 500 donors, due to a company program that tops up stock donations.

Meta and Microsoft are reportedly reducing internal employee usage of Anthropic's Claude AI, pivoting towards their own proprietary coding tools. The strategic shift prioritizes internal spending and workforce processes, rather than discontinuing customer access to Claude through Microsoft's offerings.

AI Industry • Hacker News

Anthropic is expanding its Cyber Verification Program, giving more security professionals access to Claude models with fewer safety restrictions for penetration testing, malware analysis, and vulnerability research. The company says partners in its predecessor program have seen success.

AI Safety • The Decoder

ANTH

Anthropic has cut the cache read price for Sonnet 5.5 from $0.20 to $0.10 and added monthly API credits for its Max plans. The company also priced its Haiku 5.5 model at $0.10 per 1M input tokens, a significant reduction compared to Haiku 4.5.

Anthropic released Claude Sonnet 5.5, the second model in its 5.5 family, positioning it as a faster, lower-cost complement to Opus 5.5. The company says the new model runs 30% faster and costs up to 30% less for most work, with strengths in fixing bugs and creating polished documents and spreadsheets.

AI Models • TechCrunch AI