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OpenAI's GPT-5.6 Sol Ultra Reportedly Solves a 50-Year-Old Math Problem in Under an Hour

Summary by The-decoder.com
OpenAI's GPT-5.6 Sol Ultra produced a proof of the Cycle Double Cover Conjecture in under an hour, using 64 subagents working in parallel. The conjecture had remained unsolved for 50 years. Mathematician Thomas Bloom calls the proof surprisingly elementary but criticizes the lack of citations for known prior work. The bigger question remains: Does AI just recombine existing knowledge, or does it create something new? The article OpenAI's GPT-5.6…

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OpenAI's Latest Model Solves 50-Year Mathematical Challenge in Just One Hour; GPT-5.6 Sol Ultra Runs Up to 64 AI Agents Simultaneously to Solve Problem. OpenAI's latest artificial intelligence (AI) model has solved a mathematical challenge that humans have been unable to solve for over 50 years. Ethan Knight, a researcher at the company, [announced] on the 11th (local time)

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The mathematics community is focusing its attention on OpenAI as the company claims that its latest artificial intelligence (AI) model, GPT-5.6 Sol Ultra, proved a 50-year-old unsolved problem in graph theory in just one hour. On the 12th, Ethan Knight, an OpenAI researcher

GPT-5.6 Sol Ultra from OpenAI has produced proof of the Cycle Double Cover Conjecture, which has been open for 50 years, with 64 parallel subcontractors. Mathematician Thomas Bloom praises the proof as surprisingly elementary, but criticizes the lack of references for well-known preliminary work. The question remains: Does AI combine "only" existing knowledge – or does it create something new? The article OpenAI's GPT-5.6 Sol Ultra allegedly sol…

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Crypto Briefing broke the news on Friday, July 10, 2026.
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