Story perspectives
Microsoft Launches Web IQ API, Cuts Retrieval Latency 2.5×
6/4/2026
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Story summary
- Microsoft announced Web IQ, an AI-native grounding API suite, on June 2, 2026.
- Web IQ returns passage-level evidence and runs at sub-165 ms p95 latency, about 2.5 times faster than rivals.
- The service is built on a re-architected Bing global index and follows Bing’s robots-exclusion and publisher controls.
- Microsoft added the GDSAT metric to assess grounding satisfaction for completeness, freshness and authority.
- The API targets agentic workloads that need repeated low-latency retrieval.
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