4 min read
A neurosurgery resident solved a 22-year math…
Dr. Shanmu Jin proved Crouzeix's conjecture with GPT-5.6 Sol in ChatGPT Work mode. The scarce skill is no longer finding ideas. It is verifying them fast.
5 min read
OpenAI's Astra solved 10 open math problems…
OpenAI's unreleased Astra model produced ten decade-old math results with machine-checkable Lean 4 certificates. The $2,000 compute bill matters less than the verification layer.
4 min read
GPT-5.6 Sol Ultra proved a 50-year graph…
OpenAI attributed a proof of the Cycle Double Cover conjecture to GPT-5.6 Sol Ultra, 64 parallel subagents, and a Lean 4 formalization in openai/cdc-lean. Here is what the result means before peer review lands.