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
@simonw
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Google, OpenAI, Perplexity Launch Deep Research Features
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Google Gemini, OpenAI, Perplexity Release Competing Deep Research Products
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Google Gemini released their Deep Research product in December, OpenAI and then Perplexity released their identically named products in February
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Team Size Behind Impressive AI Models
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Thanks! Can you share how large your team is? Your models look incredibly impressive
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Mystery AI Research Team Possibly Affiliated with Chinese University
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I can't figure out who this team are – possibly affiliated with USTC, University of Science and Technology of China in Hefei, but other than that I can't figure out who's funding them and how long they have been active
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Meta AI users expose chats due to confusing interface design
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That's the whole point! It turns out regular human beings are SO easily confused by sharing interfaces that thousands of Meta AI users somehow managed to expose their chats even though the interface seems like it should have been 100% obvious to digital natives like you and me
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Meta’s AI Conversation Sharing Privacy Rollout Fails
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See also Meta's disastrous rollout of AI conversation sharing – humans are very, very bad at understanding privacy settings
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ChatGPT Web Search Feature UX and Microcopy Clarity
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That's pretty vague wording – what's a "web search"? How is that different from the search feature in ChatGPT itself? Maybe "allow this chat to show up for other people when they search the web" might be clear enough, but even then we know most people don't read microcopy
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LLM News Updates: Reverse-Engineering Latest Developments
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… or if you want my free but MUCH longer and more frequent newsletter I just sent out out too – here's the latest edition, covering just the last three days of LLM-related news https://
simonw.substack.com/p/reverse-engi
neering-some-updates
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Unofficial Claude Code Alternatives Integration via API
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Yeah there should be – you could use one of the unofficial Claude Code alternative model mechanisms and plug it into their API https://t.co/g3T8bFr8IA
— Simon Willison (@simonw) 1 août 2025Yeah there should be – you could use one of the unofficial Claude Code alternative model mechanisms and plug it into their API
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Kimi K2 Achieves 5x Speed Improvement Without Quality Loss
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And in further LLM performance news, Kimi K2 now have a model that's 5x faster for the same quality of results