YC-backed Monte launches post-training platform to build proprietary models from your agents' real work

ycombinator · x · 2026-11-12

Monte, announced via a YC retweet, is a post-training platform that lets companies train proprietary AI models on their own real work.

The pitch: your agents do real work every day, but the model behind them never learns from it. Monte partners directly with teams to post-train open-weight models on their specific tasks, deploy them to serve their traffic, and keep improving them based on real usage.

The startup is inviting teams ready to train their own models to get in touch.

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