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AI IntelligenceJul 11, 2026AI Intelligence
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OpenAI's GPT-5.6 Sol Ultra solved a 50-year-old math problem, the Cycle Double Cover Conjecture, in under an hour using 64 parallel sub-agents.

Mathematicians call the proof surprisingly elementary but criticize it for lacking human elegance. This marks a major milestone in AI research capabilities.

Data Cube AI EditorialSource: The Decoder
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OpenAI's GPT-5.6 Sol Ultra solved a 50-year-old math problem, the Cycle Double Cover Conjecture, in under an hour using 64 parallel sub-agents. Mathematicians call the proof surprisingly elementary but criticize it for lacking human elegance. This marks a major milestone in AI research capabilities.