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/2023/03/

# AI in March 2023

3 events: 3 major, 1 historic. 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.

- 2023-03-22: [Future of Life Institute open letter calls for a 6-month pause on training AI more powerful than GPT-4](https://postcutoff.com/e/2023-03-22-fli-pause-giant-ai-experiments/). Source: https://futureoflife.org/open-letter/pause-giant-ai-experiments/
- 2023-03-14: [OpenAI releases GPT-4](https://postcutoff.com/e/2023-03-14-gpt-4/). Source: https://openai.com/index/gpt-4-research/
- 2023-03-14: [Anthropic releases Claude](https://postcutoff.com/e/2023-03-14-claude-1/). Source: https://www.anthropic.com/news/introducing-claude

Older: https://postcutoff.com/timeline/2023/02/
Newer: https://postcutoff.com/timeline/2023/05/