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WebDancer & WebThinker: Training a Deep Research Agent from Scratch

Two NeurIPS 2025 papers answer the same question: how to train a web research agent from scratch? WebThinker chooses 'bolt on web capability to existing reasoning models,' WebDancer chooses 'rebuild everything from data construction to RL training.' Two philosophies, four stages, one core insight: training beats prompting.

Multimodal and Vision: WebWatcher Redefines Deep Research

All deep research agents are 'text-first'—but the real world isn't just text. WebWatcher (NeurIPS 2025) is the first system to integrate visual reasoning into deep research, using OCR, image search, code execution, and other tools to handle charts, screenshots, videos, and other diverse information.