Improving agent with semantic search
Semantic search significantly improves coding agent performance with 12.5% higher accuracy, improves code retention and decreases dissatisfied user requests.
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Composer: Building a fast frontier model with RL
Composer is our new agent model designed for software engineering intelligence and speed.
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Improving Cursor Tab with online RL
Our new Tab model makes 21% fewer suggestions while having 28% higher accept rate.
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1.5x faster MoE training with custom MXFP8 kernels
Achieving a 3.5x MoE layer speedup with a complete rebuild for Blackwell GPUs.
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Iterating with shadow workspaces
Hidden windows and kernel-level folder proxies to let AIs iterate on code without affecting the user.
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More problems
Several exciting problem areas for the next phase of AI-programming.
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Editing Files at 1000 Tokens per Second
A new model and inference method for high-accuracy full-file edits at 1000 tokens/s.
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Our problems
A list of problems we are excited to solve for Cursor.
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Inference characteristics of Llama
A primer on inference math and an examination of the surprising costs of Llama.
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Prompt design
Prompting is like web design. Let’s call it prompt design, and build better tools for it.
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