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/2023/12/

# AI in December 2023

5 events: 2 major. 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.

- 2023-12-20: [Explainable deep learning discovers a new structural class of antibiotics against MRSA](https://postcutoff.com/e/2023-12-20-ai-new-antibiotic-structural-class/). Source: https://www.nature.com/articles/s41586-023-06887-8
- 2023-12-20: [Coscientist: a GPT-4 agent plans and runs real chemistry experiments from plain-English prompts](https://postcutoff.com/e/2023-12-20-coscientist-autonomous-chemistry/). Source: https://www.nature.com/articles/s41586-023-06792-0
- 2023-12-14: [FunSearch: an LLM finds new cap-set constructions, the first LLM discovery in open maths](https://postcutoff.com/e/2023-12-14-funsearch-cap-sets/). Source: https://www.nature.com/articles/s41586-023-06924-6
- 2023-12-11: [Mistral AI releases Mixtral 8x7B, an open mixture-of-experts model](https://postcutoff.com/e/2023-12-11-mixtral/). Source: https://mistral.ai/news/mixtral-of-experts
- 2023-12-06: [Google DeepMind launches Gemini 1.0](https://postcutoff.com/e/2023-12-06-gemini-1/). Source: https://blog.google/technology/ai/google-gemini-ai/

Older: https://postcutoff.com/timeline/2023/11/
Newer: https://postcutoff.com/timeline/2024/01/