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Oct 21, 2026
Inside ChatGPT’s ad stack: an LLM orchestrates retrieval, ranking and auctions
OpenAI says ChatGPT Ads uses a stateful session and a post-trained model that calls retrieval, eligibility, scoring and auction tools. Ad selection runs in a separate service from answer generation, so developers can study a concrete production pattern while keeping the company’s privacy and performance claims distinct from independent evidence.
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Oct 21, 2026
OpenAI models are coming to Google Cloud through Model Garden
OpenAI and Google Cloud plan to offer frontier models and Codex workflows through Model Garden, with Google Cloud Marketplace billing and support for existing GCP spend commitments. General availability is still weeks away, so teams should separate announced distribution from live regional and model-level availability.
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Oct 20, 2026
OpenAI buys Orchestra Bio to add workflow agents to its drug-development stack
OpenAI has acquired Orchestra Bio and plans to integrate its drug-program coordination software with Rosalind, GPT-Rosalind and Rosalind Workbench. The deal expands OpenAI from research models into the operational layer around medicine development, but the price, product continuity and any effect on treatment timelines remain undisclosed or unproven.
OpenAIOrchestra BioRosalind