Cursor trains Composer 2, an advanced agentic software engineering model, using real-time reinforcement learning directly from live user interactions in a 5-hour cycle. This approach minimizes train-test mismatch by ensuring the training environment mirrors production conditions closely, improving the model's performance and developer satisfaction significantly. Developers should watch for further adaptations of this RL method to handle sparser but sharper feedback as models take on more complex tasks.
Read the full article at Towards AI - Medium
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