Robot foundation-model startups are all opening APIs — the model layer was never the moat

chris_j_paxton · x · 2026-10-14

Robotics researcher Chris Paxton quote-tweets in approval: opening up APIs is great and we should see more of it — you only know it works if the API is actually open.

The quoted take argues that AI-researcher-led robot foundation model startups opening their APIs will expose who has a good model, real generalization — and that the model layer alone was never the moat. When real-world performance is the product, these models improve alongside frontier models as those get better.

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