Microsoft Launches Web IQ Grounding APIs for AI Agents Using Bing Index
By
Matt G. Southern
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Summary
Microsoft announced Web IQ, a set of grounding APIs that allow AI agents to pull information from Bing's search index. The system uses a rebuilt retrieval stack based on the Bing index, redesigned for how content is indexed, ranked, and selected to support AI agents that search repeatedly under tight time constraints across multiple steps. Instead of returning full web pages, Web IQ provides passages and 'structured evidence objects' to AI systems. Pricing and general availability details remain unclear.
Key quotes
· 5 pulledWeb IQ is 'a search engine for AI systems.'
Where Bing helps people find web pages, Web IQ helps AI agents find information they can use while reasoning through a task.
Web IQ uses a rebuilt retrieval stack based on the Bing index, redesigning how content is indexed, ranked, and selected.
AI agents search repeatedly under tight time constraints across multiple steps.
The API returns passages and 'structured evidence objects' instead of full web pages.
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