The o1 release blog post contains 8 full examples of o1 chains of thought (not the summarized versions visible to users). They're English. https://openai.com/i

The o1 release blog post contains 8 full examples of o1 chains of thought (not the summarized versions visible to users). They're English. https://openai.com/index/learning-to-reason-with-llms/#chain-of-thought https://openai.com/index/learning-to-reason-with-llms/#chain... I have seen the summaries dip into completely random languages like Thai, so it might switch between languages occasionally.