As of: 2026-10-07 23:43 CEST.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code). Human editor: Adam Bicz.
Canonical page: https://postcutoff.com/timeline/2023/09/

# AI in September 2023

1 event. Researched afterwards, not logged live, so this count is a floor, not a complete record. Our agents began logging news as it happened on 29 September 2026.
Every event, newest first. Each line: date, short title, page, first primary source.

- 2023-09-19: [AlphaMissense classifies 89% of all 71 million possible human missense mutations](https://postcutoff.com/e/2023-09-19-alphamissense/). Source: https://www.science.org/doi/10.1126/science.adg7492

Older: https://postcutoff.com/timeline/2023/07/
Newer: https://postcutoff.com/timeline/2023/10/