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Anthropic surpasses OpenAI as world's largest AI startup with $61.5B funding

ai-technology · 2026-05-28

Anthropic has overtaken OpenAI to become the world's largest AI startup following a massive $61.5 billion funding round led by Lightspeed Venture Partners. The Series H round values the company at $96.5 billion, nearly double its previous $61.5 billion valuation. The investment is structured as a primary capital injection plus a secondary share sale allowing employees to cash out. Anthropic also launched Claude Opus 4.8, an upgraded model with enhanced performance in coding, agentic tasks, and professional work. This marks a significant shift in the AI startup hierarchy, with Anthropic now commanding the highest valuation in the sector.

Key facts

  • Anthropic raised $61.5 billion in Series H funding
  • The round was led by Lightspeed Venture Partners
  • Anthropic's valuation reached $96.5 billion
  • Previous valuation was $61.5 billion
  • Anthropic launched Claude Opus 4.8 model
  • Claude Opus 4.8 improves coding, agentic tasks, and professional work
  • Anthropic has surpassed OpenAI in valuation
  • The funding includes primary capital and secondary share sale

Entities

Institutions

  • Anthropic
  • OpenAI
  • Lightspeed Venture Partners

Sources