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/2025/01/

# AI in January 2025

5 events: 2 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.

- 2025-01-23: [OpenAI launches Operator, a browser-using agent](https://postcutoff.com/e/2025-01-23-openai-operator/). Source: https://openai.com/index/introducing-operator/
- 2025-01-21: [Stargate: $500 billion AI infrastructure venture announced](https://postcutoff.com/e/2025-01-21-stargate-project/). Source: https://openai.com/index/announcing-the-stargate-project/
- 2025-01-20: [DeepSeek-R1: open-weights reasoning model rivals o1 and shakes markets](https://postcutoff.com/e/2025-01-20-deepseek-r1/). Source: https://arxiv.org/abs/2501.12948
- 2025-01-16: [Microsoft's MatterGen generates materials to order](https://postcutoff.com/e/2025-01-16-mattergen/). Source: https://www.nature.com/articles/s41586-025-08628-5
- 2025-01-15: [AI-designed proteins neutralise deadly snake-venom toxins and protect mice](https://postcutoff.com/e/2025-01-15-ai-designed-antivenom/). Source: https://www.nature.com/articles/s41586-024-08393-x

Older: https://postcutoff.com/timeline/2024/12/
Newer: https://postcutoff.com/timeline/2025/02/