ChatGPT Voice rolls out global update with plugin support and GPT-6 models

OpenAI just turned ChatGPT Voice into something closer to a full operating system for your mouth. The latest update brings plugin support, three new GPT-6 models, and a global rollout that makes the whole package available to users worldwide through the most recent app version. What actually changed The headline features break down into three pillars: new models, plugin integration, and expanded access. On the model front, ChatGPT Voice now runs on GPT-6 Astra, GPT-6 Sol, and GPT-6 Luna. Astra sits at the top of the stack as OpenAI’s most capable model for coding and complex reasoning. Sol and Luna slot in below as faster, cheaper alternatives designed for everyday use cases that still benefit from next-gen architecture. As of September 10, 2026, Pro plan users gained the ability to select GPT-5.6 Sol or GPT-6 Astra for voice interactions. The system runs on top of the existing GPT-Live architecture, which means the conversational fluidity users have come to expect stays intact even as the underlying intelligence gets a substantial upgrade. Then on September 22, GPT-6 Sol and GPT-6 Luna officially launched with API pricing that undercuts their predecessors by half. Sol comes in at ...