Announcing ReasoningLens — Visualizing and Diagnosing LLM Reasoning at a Glance

A Blog post by Boxi Cao on Hugging Face

Announcing ReasoningLens — Visualizing and Diagnosing LLM Reasoning at a Glance Back to Articles a]:hidden"> Announcing ReasoningLens — Visualizing and Diagnosing LLM Reasoning at a Glance Community Article Published February 3, 2026 Upvote 7 +1 Jun Zhang LasRuinasCirculares Follow Jason Zheng jszheng Follow Boxi Cao Bowieee Follow ReasoningLens ReasoningLens Follow TL;DR: Long-form reasoning (CoT) is a double-edged sword. While models like OpenAI o1 and DeepSeek-R1 are smarter than ever, debugging a 10,000-token reasoning trace is a nightmare. ReasoningLens turns that "Wall of Text" into an i

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