Expired85% confidenceFactTime unknown

The March 2026 newsletter has been made freely available on GitHub.

1

Sources

85%

Confidence

Medium-term (~90 days)

Relevance

6/1/2026

First Seen

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

Valid until: 8/30/2026(expired)

Sources

Opus 4.7 and GPT-5.5 Launch: Simon Willison's April Newsletter Breaks Down AI Frontier Developments

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Related Entities

Simon Willisonperson GitHubcompany

Related Claims

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