Cursor Composer: Building a fast frontier model with RL

Re:Cursor Composer: Building a fast frontier model with RL by srush on Wednesday October 29, 2025 @01:44PM (#45750431)

Our primary focus is on RL post-training. We think that is the best way to get the model to be a strong interactive agent.

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Re:Cursor Composer: Building a fast frontier model with RL by comex on Wednesday October 29, 2025 @01:48PM (#45750477)

So, yes, but you won’t say what the base model is? :)

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Re:Cursor Composer: Building a fast frontier model with RL by typpilol on Thursday October 30, 2025 @03:03AM (#45757145)

It seems like a sort of sonnet model as a lot of people are reporting it like to spam documentation on Twitter like sonnet 4.5

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