First Impressions of the New Opus 4.8

Anthropic releases Claude Opus 4.8 with improved honesty, stronger self‑verification, and multi‑agent dynamic workflows for large code tasks. Benchmark scores narrow versus OpenAI's GPT‑5.5 while debate grows over harness quality and real‑world tradeoffs. Headlines also cover Kirkland & Ellis's half‑billion internal AI platform, OpenAI's GPT‑5.5 Instant update, Cognition's $1B round, and Anthropic's Mythos preview and soaring valuation. The AI Daily Brief helps you understand the most important news and discussions in AI. Subscribe to the podcast version of The AI Daily Brief wherever you listen: https://pod.link/1680633614 Get it ad free at http://patreon.com/aidailybrief Learn more about the show https://aidailybrief.ai/