OpenAI cuts GPT-5.6 Sol API and credit pricing by over 20% for three months
An Aug 21 update to the GPT-5.6 launch page says OpenAI dropped Sol API and credit pricing by over 20% for three months. The new per-token figure has not been published.
OpenAI's GPT-Red: self-play red-teaming at frontier scale; GPT-5.6 Sol 6× more robust
OpenAI's GPT-Red is a self-play-trained automated red-teamer at frontier compute scale. GPT-5.6 Sol is 6× more robust to prompt injection; specific Vendy and Codex CLI exploits.
OpenAI ships GPT-5.6 (Sol, Terra, Luna) and ChatGPT Work
On 2026-07-09 OpenAI released the three-tier GPT-5.6 family and ChatGPT Work, an agentic product powered by GPT-5.6 with Codex built in and a public system card.
US government is now a customer gatekeeper for OpenAI Sol and Claude Mythos 5
On 2026-06-26 OpenAI began a GPT-5.6 Sol preview with the customer list coordinated with the US government; the same day, Commerce lifted the export block on Anthropic's Claude Mythos 5.