Resolution is based on the chatbot arena LLM leaderboard (https://lmarena.ai), specifically the company with the highest Arena Score in the Overall category, without style control or show deprecated, at the end of December 31th, 2025 11:59PM ET.

In the case of a tie, all companies tied for 1st place resolve to equal probability, such that they sum to 100%.

See also:

/Bayesian/which-company-has-the-best-ai-model
/Bayesian/who-will-have-the-best-texttoimage-SO0uN6suuS

/Bayesian/who-will-have-the-best-texttovideo-AtZ0CdIc8Z

/Bayesian/which-company-has-best-ai-computer

/Bayesian/which-company-has-best-vision-ai-en

/Bayesian/which-company-has-best-search-ai-mo

Previous months:

/Bayesian/which-company-has-best-ai-model-end

/Bayesian/which-company-has-best-ai-model-end-I0QsydsZuz

/Bayesian/which-company-has-best-ai-model-end-0CRdhqptRl

/Bayesian/which-company-has-best-ai-model-end-uIgZPlOt5d

/Bayesian/which-company-has-best-ai-model-end-A88UsyhdZz