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Anthropic Raises $65 Billion and Launches Claude Opus 4.8 at a $965 Billion Valuation

The funding will finance massive compute expansion, pay for safety work and speed wider access to more powerful Mythos‑class models ahead of a likely public listing

Overview

  • Anthropic announced a $65 billion Series H that values the company at about $965 billion, a financing led by Altimeter Capital, Dragoneer, Greenoaks and Sequoia that was disclosed on May 28.
  • The company said its revenue run‑rate recently crossed $47 billion, reported $4.8 billion in Q1 2026 revenue and projected $10.9 billion for Q2 while reporting an estimated operating profit of roughly $559 million.
  • Anthropic released Claude Opus 4.8 with specific upgrades for coding, multi‑step agentic workflows, improved uncertainty flagging and a research preview called Dynamic Workflows that can run hundreds of parallel subagents for large code tasks.
  • To meet demand for training and inference the company is expanding dedicated compute through multi‑hyperscaler deals and a disclosed arrangement with SpaceX that sources large Colossus capacity, creating concentrated supplier and counterparty risk.
  • Anthropic is testing more powerful Mythos‑class models with select partners and says broader availability will follow stronger cybersecurity safeguards, a move that intersects with ongoing regulatory scrutiny and Pentagon disputes.