Anthropic raises $65B at $965B valuation, launches Claude Opus 4.8
Anthropic raises $65B at a $965B valuation and launches Claude Opus 4.8 alongside Dynamic Workflows in Claude Code, which orchestrates parallel subagents for large tasks.
Anthropic announced a massive $65B Series H financing at a $965B valuation, led by Altimeter, Dragoneer, Greenoaks, and Sequoia, with run-rate revenue surpassing $47B. They launched Claude Opus 4.8, an update to Opus 4.7 featuring "sharper judgment," "more honesty," and longer autonomous work at the same price. Anthropic also introduced Dynamic Workflows in Claude Code, enabling orchestration of hundreds of parallel subagents for large tasks, available in research preview across multiple platforms.
Opinions on Opus 4.8 vary, with some praising it as a major leap and others viewing it as incremental or catch-up to OpenAI's GPT-5.5 family.
- news.smol.aiAnthropic raises $65B in Series H at a $965B post-money valuation, releases Opus 4.8 and Dynamic Workflowsprimary
- latent.spaceAnthropic raises $965B Series H, releases Opus 4.8 and Dynamic Workflows/ultracode
- bsky.appAnthropic's self-reported run-rate revenue growth is wild - Axios Jim VandeHei said he couldn't find "any company — in any industry, in any era — that has scaled organic revenue this quickly at this …
- bsky.appNotes on Claude Opus 4.8, which Anthropic call "a modest but tangible improvement" - plus pelicans riding bicycles for each of the five different thinking efforts simonwillison.net/2026/May/28/...
§ how this story moved
- primary — Smol AI — Daily publishes the launch post.
- Bluesky — Simon Willison picks up coverage.
- Bluesky — Simon Willison picks up coverage.
- Latent Space picks up coverage.