Anthropic S-1: Models Older Than 6 Months Earn Under 20% of Revenue
every · x · 2026-11-16
Anthropic filed to go public, and its S-1 puts a number on a pattern many users know well: when a new model drops, people switch their daily driver immediately. Models older than six months earn less than 20% of Anthropic's revenue.
Key data from the filing:
- $16.3 billion revenue in H1 2026 — before its two newest, best-received models (Opus 5.5 and Fable 5.1) even launched. "This is all Opus 5 money."
- Customers from a year ago now pay about nine times as much.
Every compares Anthropic to a movie studio: you're only as good as your next release. The newsletter also covers how head of evals Mike Taylor stays a generalist, and how he had Claude migrate his website off Webflow over morning coffee.
Related event: Anthropic S-1: models older than six months earn under 20% of revenue(2 posts)→
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