Tag: #reasoning
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AI reaches gold at the International Mathematical Olympiad (2025)
In July 2025, language models from Google DeepMind and OpenAI solve five of six IMO problems for 35 of 42 points, writing proofs in natural language within the exam time limit.
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GPT-5 makes reasoning the default (2025)
On August 7, 2025, OpenAI releases GPT-5 as a unified system that decides when to answer quickly and when to think longer, and ships it to every ChatGPT user; a bumpy rollout shows how attached people have become to individual models.
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DeepSeek-R1 and the efficiency shock (2025)
A Chinese startup released an open-weights reasoning model that rivaled the best at a fraction of the reported cost, and on January 27, 2025 it wiped a record sum off Nvidia's value.
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OpenAI o1: models that think before they answer (2024)
OpenAI previewed a model line trained to reason through problems step by step before responding, trading speed for accuracy and reviving the idea that thinking longer can pay off.