AI research

Generative AI & LLMs

OpenAI’s GPT-5.6 Sol Ultra reportedly solves a 50-year-old math problem in under an hour
ByArtificial Intelligence July 11, 2026

Put simply, the conjecture addresses a fundamental question in graph theory: Would it be possible to find a set of cycles in any network of vertices and edges that traverses…

Read More OpenAI’s GPT-5.6 Sol Ultra reportedly solves a 50-year-old math problem in under an hour
Generative AI & LLMs

OpenAI’s GPT-5.6 Sol autonomously post-trained the smaller Luna model with a “fairly underspecified prompt”
ByArtificial Intelligence July 11, 2026

Update, July 11, 2025: OpenAI employee Jason Liu put the autonomous post-training into context. Sol didn’t come up with a complete training recipe from scratch, since most of the configuration already…

Read More OpenAI’s GPT-5.6 Sol autonomously post-trained the smaller Luna model with a “fairly underspecified prompt”