AI #192: Anthropic Is Going Public

Anthropic filed its S-1 this week to prepare for an IPO, though many figures including the share price remain unfilled. Google announced Gemini 4 Carbon, which tops the new AA v5 benchmark index at 59, but access is being rolled out gradually. The newsletter also covers the ongoing "Hackening," including red teamers gaining access to Anthropic's Slack via third-party vulnerabilities, and OpenAI's claimed breakthroughs including a disproof of the Exponential Time Hypothesis.