The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
The Official Microsoft Blog post dated Apr 27, 2026 says "Today, we are announcing an amended agreement to simplify our partnership"; OpenAI's[2] copy carries the same date. The pin is the announcement; the terms themselves run through 2030 (revenue share) and 2032 (IP license).
OpenAI's own announcement, dated April 27, 2026, with the same terms: primary cloud partner, non-exclusive license through 2032, capped revenue share through 2030.
CNBC reports the revamped agreement announced Monday 27 April, the capped revenue share through 2030, the end of the AGI clause and OpenAI's[2] Amazon deal.
TechCrunch reports the renegotiated deal announced Monday and how it resolves the conflict over OpenAI's[2] up-to-$50 billion Amazon investment and AWS exclusivity for Frontier.
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