Anthropic Intelligence Tracker

Anthropic Weekly: IPO paperwork filed, $65B Series H closed, Karpathy hired, and a self-improvement warning

Six material events in one week: Anthropic confidentially filed its S-1 with the SEC, closed a $65B Series H at a $965B valuation, shipped Claude Opus 4.8 with dynamic workflows, hired Andrej Karpathy for pre-training, acquired SDK company Stainless for ~$300M, and published internal data warning that recursive self-improvement may arrive sooner than most institutions expect.