RL Environments Startups Hit 9-Figure Run Rates in Under a Year — and That's Rational
marktenenholtz · x · 2026-10-10
Responding to investor surprise that data and RL-environment companies are reaching high 8-figure to mid 9-figure run rates in under a year, Mark Tennenholz offers a test: try building an RL task with a verifiable target that frontier models (Astra, Fable, etc.) actually struggle on — he bets you can't. Frontier models have already crushed nearly all verifiable tasks, making new RL environments scarce and extremely valuable.
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