Expired50% confidenceEventExact time

The OpenAI developer conference was held in San Francisco, with the opening livestream starting at 1:00 AM Beijing time.

1

Sources

50%

Confidence

Short-term (~14 days)

Relevance

9/30/2026

First Seen

This claim has expired. It is kept for the record and no longer describes the current state.

Valid until: 10/14/2026(expired)

Sources

Claude Sonnet 5.5 Launches: 30% Faster, and Meta Enters the Enterprise AI Arena

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