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Garry Tan, CEO of Y Combinator, told Walter Isaacson's podcast The Builders that he spends roughly $100,000 to $200,000 annually on AI tokens. Tan said he relies heavily on AI agents for work and personal tasks, including an agent that has read his email, Dropbox files and even two decades of therapy notes. He also described an internal YC agent called Stray Light that holds context on every founder the firm has backed.
Anthropic engineering leader Addy Osmani said the company added two lines to Claude Code's prompt on Opus 4.5 to stop it from recreating specific existing games, citing its usage policy against IP infringement. Osmani said original games, genre-style games, and projects built from a user's own designs and assets should still work, and he offered to review cases where developers feel requests were wrongly refused.
A social media post that went viral tested how ChatGPT and Claude respond when asked to help with schoolwork in ways that could be considered cheating, finding differences in how the two chatbots handled or disclosed such requests. The post comes amid data showing 54% of U.S. teens and 53% of English, math and science teachers have used AI for schoolwork.
Developer aaitor released version 1.0.1 of skill-video-studio, a local toolkit that pairs the Claude Code assistant with Playwright, HyperFrames and FFmpeg to turn real product interactions into polished demo videos. The workflow starts with planning a silent walkthrough brief and beat plan, then moves to capture, composition and rendering, with optional narration, music, subtitles or presenter footage. Running the full pipeline requires Node.js 22+, FFmpeg/ffprobe, Chromium and additional Python dependencies for specific helpers.
Anthropic quietly inserted a new system-prompt rule into Claude Code, first spotted around October 27 and confirmed present in version 2.1.314 released October 30, instructing the model not to rebuild a specific existing game even if renamed. Anthropic engineer Addy Osmani confirmed the company added 'two sentences' to steer Claude Opus 5.5 away from recreating someone else's game, citing its usage policy against IP infringement, while still permitting original or genre-based games built from a user's own assets.
Athenahealth, which serves over 20% of the US population, has released an MCP-compatible server called AthenaPatient MCP that lets Anthropic's Claude access patient health records after users sign in with their account credentials. The feature is limited to subscribers of Claude Pro ($20/month) and Claude Max ($100/month), and patients can choose which data to share and revoke access at any time. Claude can draw on lab results, vitals, medications, allergies, immunizations and other records to answer questions, but Athenahealth says the tool does not provide medical advice.
Anthropic disclosed in its IPO filing that the retail value of Claude AI it uses internally surpassed its monthly employee compensation, excluding stock awards, as of April. That internal usage grew more than 250-fold between January and September, and by September more than 90% of new code added to Anthropic's software was written by Claude.
Anthropic filed an updated Form S-1 with the SEC disclosing $33.24 billion in revenue for the first nine months of 2025, a roughly 1,200% jump year-over-year, alongside a $104 billion net loss largely tied to changes in the fair value of convertible notes and derivative liabilities. The filing shows $17 billion in third-quarter revenue and a $23.29 billion net loss for that quarter, plus aggregate purchase and lease commitments of about $895.4 billion, mostly for compute and infrastructure.
OpenAI is combining the Chat and Work tabs in its ChatGPT desktop app into a single interface, according to an email sent to select users for early feedback before wider rollout. The merged experience lets users move from idea exploration to task execution in one place, including building websites or presentations, while Codex remains separate. OpenAI also said ChatGPT and Codex will now share the same token allowance pool.
Anthropic revised the system prompt for Claude Code on its Opus 5.5 model, inserting instructions directing the AI to avoid recreating specific existing video games. The company says the change enforces its usage policy against using Claude to infringe intellectual property, while original games, genre-style games, and projects built from a user's own designs and assets should still function normally.
David Durman, a research administrator at the University of Kentucky, won a religious exemption excusing him from using AI tools such as Copilot, Claude and ChatGPT, arguing the practice conflicted with his humanist beliefs. A national organization is now offering to help other employees pursue similar exemptions at their own workplaces.
Anthropic developer advocate Addy Osmani confirmed the company added two sentences to Claude Code's Opus 5.5 prompt instructing it to avoid recreating a specific existing game, even if renamed, citing its usage policy against IP infringement. He said original games, genre games, and projects built from a user's own designs and assets should still work, and that Anthropic will keep adjusting the rules. The change follows developer complaints on GitHub that Claude Code was refusing game-building and reverse-engineering tasks.