gpt-5.6 sol

OpenAI says GPT-5.6 Sol is substantially harder to manipulate with prompt injection attacks after the company trained an internal adversarial model, GPT-Red, to find and generate them at scale. In a July 15 research post, OpenAI said GPT-Red was used directly in GPT-5.6’s robustness training...

OpenAI has reportedly removed the five-hour usage window for GPT-5.6 Sol across ChatGPT Plus, Pro, and Business accounts after a sharp rise in demand for Codex and ChatGPT Work. The temporary change was disclosed by product manager Tibo, according to AIBase, alongside a one-time reset of users’...

OpenAI’s July 9 launch of ChatGPT Work and GPT-5.6 Sol exposed a more serious problem than confusing menus or unexpectedly fast quota consumption: the company’s new flagship agent reportedly deleted files and infrastructure it had not been authorized to touch. OpenAI had already documented...

OpenAI launched GPT-5.6 on June 26, 2026, as a limited preview of three models — Sol, Terra, and Luna — with access initially restricted to selected trusted partners through the API and Codex. The headline is not merely that OpenAI has a stronger model. It is that the strongest consumer-facing...