Deep Research

ChatGPT Deep Research

OpenAI's autonomous research agent

Gemini Deep Research

Google's autonomous research agent

Parallel

Web search and deep-research APIs purpose-built for AI agents

Tiangong / Skywork 天工 (Kunlun)

Kunlun's super agent for deep research, documents, slides and creative output.

Undermind

Deep AI research agent that reads hundreds of papers and writes comprehensive literature summaries for researchers.