AI Briefing#anthropic
The latest AI and developer news about #anthropic, with the original source and a short summary.
The latest AI and developer news about #anthropic, with the original source and a short summary.
The Novartis CEO has joined Anthropic's board of directors.
Claude Opus 4.7's system prompt tightens safety, tool-use, and conciseness instructions.
A calculator comparing why the same prompt becomes more expensive on Opus 4.7.
Anthropic has made Mythos Preview available only to Big Tech, security, infrastructure, and financial partners.
A site impersonating Anthropic, `claudcode.playcode.io`, appeared in Google search results.
It compares the token usage difference between Opus 4.6 and 4.7 using anonymous inputs submitted by the community.
The White House met with Anthropic to discuss AI safety and cooperation measures.
Turned Anthropic's Claude system prompt history into something you can browse like git.
The White House and Anthropic's CEO met for the first time to discuss cooperation amid concerns over the Mythos model.
PyCon US 2026 will be held in May in Long Beach, introducing new AI and Security tracks.
Claude 4.7 produces 1.3–1.45x more tokens while showing a modest improvement in instruction compliance.
Anthropic has unveiled Claude Design, a collaborative visual design tool built on the Claude Opus 4.7 vision model.
Claude Opus 4.7's new tokenizer was measured to use more tokens than officially stated.
Anthropic has unveiled a visual design and prototyping tool built on Claude.
In the Arena text rankings, Claude Opus 4.7 led in creative writing and coding, while 4.6 was stronger in long queries and instruction following.
The Opus 4.6 model has been removed from Claude Desktop's Code tab, raising concerns about increased token consumption.
Anthropic has expanded its London office to accommodate 800 people amid regulatory pressure in the US.
In the Anthropic Economic Index, DC's Claude usage came in at 4.3x the expected level.
Claude 4.7 uses 1.3–1.45x more tokens, while strict instruction following improved slightly.
Claude Design helps create slides, prototypes, and one-pagers.
Claude Design creates mockups, slides, and document drafts from just a prompt.
Anthropic's Claude Mythos is heightening cybersecurity concerns in the financial sector.
A design flaw in MCP has exposed up to **200,000 instances** to remote code execution risk.
Some Claude features now require government ID and live selfie verification.