Unverified60% confidenceFactTime unknown
OpenAI launched the Deep Research feature in February 2025, as an exclusive feature for ChatGPT Pro subscribers (at $200 per month).
2
Sources
60%
Confidence
Long-term
Relevance
6/1/2026
First Seen
Sources
Deep Research Web UI：支持DeepSeek R1的开源AI深度研究助手
githubAnotiaWang
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