Previewing GPT‑5.6 Sol: a next-generation model

AI & Machine Learning, Software Releases & Release Notes(openai.com)view on HackerNews

GPT-5.6openaipreviewmodelaimachine learningsafetypreparednessevaluationsagentic capabilitiesterraluna

Author: minimaxir

Date: 6/26/2026

Article Summary:

OpenAI releases GPT-5.6 Sol, a next-generation model, as part of a limited preview, with Terra and Luna models also available, featuring improved agentic capabilities, safety, and preparedness evaluations.