Gemini: https://
blog.google/products/gemin
i/google-gemini-deep-research/
… Dec 11th 2024 OpenAI: https://
openai.com/index/introduc
ing-deep-research/
… Feb 2nd 2025 Perplexity: https://
perplexity.ai/hub/blog/intro
ducing-perplexity-deep-research
… Feb 14th 2025

→ View original post on X — @simonw