LMSys killed Model Versioning (gpt 4o 1120, gemini exp 1121)

**AI News for 11/21/2024-11/22/2024** highlights the intense frontier lab race with **OpenAI's gpt-4o-2024-11-20** and **Google DeepMind's gemini-exp-1121** trading top spots on the Lmsys leaderboard. The trend of using date-based model identifiers instead of traditional versioning is noted across leading labs including **Anthropic**. **DeepSeek R1** is gaining attention as a potent open-source alternative, especially in the context of the AI competition between China and the US. **Gemini-Exp-1121** is praised for improvements in vision, coding, and reasoning, while **MistralAI** expands with a new Palo Alto office, signaling growth and hiring.