Anthropic Corporate Intelligence05/31/2026, 10:12:20 AMAnthropic raises $65B, ships Opus 4.8, confirms Mythos rollout, and opens two offices — all in one weekOn May 28, Anthropic closed a $65 billion Series H at a $965 billion post-money valuation — surpassing OpenAI — while simultaneously releasing Claude Opus 4.8 with improved honesty and a 2.5× faster mode. The company also confirmed a Mythos-class model public rollout within weeks, appointed a new Korea Representative Director ahead of the Seoul office opening, and opened a Milan office.