OraCore · Topic ·model release

GPT-5.6 family lands with Luna, Terra, Sol

OpenAI shipped GPT-5.6 in three sizes, with Sol posting 53.6 on Agents’ Last Exam and new API features for tool use and subagents.

1 articles in this thread ·Last updated 21h ago·First seen Jul 13, 2026

Timeline

  1. OpenAI shipped GPT-5.6 in three sizes, with Sol posting 53.6 on Agents’ Last Exam and new API features for tool use and subagents.