Memory — AI news & analysis

OpenAI ships ChatGPT Dreaming V3 — hierarchical memory architecture, 5× cheaper to serve, factual recall jumps from 67.9% to 82.8%

OpenAI rolled out Dreaming V3 — a hierarchical memory architecture for ChatGPT — to Plus and Pro users in the US on June 4, 2026. A background process synthesizes memory continuously across conversations rather than requiring explicit 'remember this' commands. Internal evals: factual recall jumps from 67.9% (2025 system) to 82.8%. Compute required to serve memory features cuts by 5×. Users retain full control via a Memory Summary Page for review, correction, and topic prioritization. Free tier and enterprise rollout coming in subsequent weeks.