May 20, 2026 News

OpenAI's Reasoning Model Disproves 80-Year-Old Erdős Conjecture in Geometry

OpenAI claims its new general-purpose reasoning model has autonomously produced an original mathematical proof disproving a famous unsolved conjecture in geometry first posed by Paul Erdős in 1946. This follows a previous false claim seven months ago where OpenAI mistakenly announced GPT-5 had solved Erdős problems, only to discover it had found existing solutions. The current claim is supported by verification from prominent mathematicians including Noga Alon, Melanie Wood, and Thomas Bloom, marking what OpenAI calls the first time AI has autonomously solved a prominent open problem in mathematics.

IrisGo Develops Proactive AI Desktop Agent with Andrew Ng Backing

IrisGo, backed by Andrew Ng's AI Fund with $2.8 million in seed funding, is developing a desktop AI companion that learns user workflows and automates them proactively. The system, founded by former Apple Siri engineer Jeffrey Lai, uses on-device processing for privacy while targeting knowledge workers with automation of repetitive business tasks. The company has launched beta versions for macOS and Windows and secured a preinstallation deal with Acer.

OpenAI Plans September IPO Following Dismissal of Musk Lawsuit

OpenAI is reportedly preparing for an initial public offering as early as September 2026, working with Goldman Sachs and Morgan Stanley on the process. The move comes immediately after a lawsuit from co-founder Elon Musk against OpenAI was dismissed. The IPO is expected to be a major event in tech finance, potentially competing with SpaceX's own public offering plans.

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May 2026