OpenAI details ChatGPT's ad stack: LLM orchestrator, retrieval, ranking and auction tools
OpenAIDevs · x · 2026-10-22
OpenAI's dev account shared how ChatGPT's advertising stack works, stressing that ads don't influence answer generation: conversations flow through the organic response pipeline while ads run through a separate eligibility-check and serving pipeline.
Key components:
- LLM orchestrator: turns a conversation into multiple intents by exploring users' possible needs
- Retrieval: embedding-based search finds candidate ads
- Eligibility & relevance checks: narrow the candidate pool
- Auction tool: handles final selection and pricing, balancing user value against advertiser value
Related event: OpenAI Details ChatGPT Ads Stack: LLM Orchestrator and Six-Tool Bidding(3 posts)→
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