GPT-5.6 Ships to Developer Praise — and Reported Government Gating

OpenAI's latest model is winning over Codex power users while simultaneously surfacing in reports of access restricted to 'government-approved' entities, a contradiction at the heart of frontier AI's new phase.

GPT-5.6 went official on June 26, and the early developer reaction is unusually warm. 'gpt-5.6 is my favorite model to work with — even better than gpt-5.5,' wrote @angelbrodin, adding that it has 'changed the way i work in codex.' That kind of incremental-but-felt improvement is exactly what keeps the most demanding users — coders running long agentic sessions — committed to a model line.

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