Cursor Adds Native DeepSeek-R1 Full Chain-of-Thought Reasoning to Composer

Cursor now natively supports DeepSeek-R1 full chain-of-thought verification alongside Claude 3.5 Sonnet in Composer multi-file workflows, dramatically cutting code synthesis errors.

📋 What Changed & Why It Matters

• DeepSeek-R1 integration enables step-by-step logic verification before applying multi-file edits
• Zero latency penalty via accelerated vector caching
• Maintains full backwards compatibility with VS Code extensions and existing rules

Evaluation Metric	Verified Status	Category Benchmark
Release Channel	Production Verified	Stable Channel
Impact Rating	9/10 High Velocity	7.0/10 Baseline

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