OpenAI Tests ‘GPT-Bidi-1’ Voice Model, Report Suggests Wider Rollout Near

Brief By Android Authority / 1:03 PM on 24 Jun 2026

OpenAI is reportedly testing an unannounced bidirectional voice model, GPT-Bidi-1, designed to speak, hear and listen simultaneously. Reports suggest the system handles interruptions naturally, maintains longer conversational context and switches tasks mid-dialogue. References spotted in early testing indicate limited rollout to select ChatGPT users, fueling speculation of an official launch soon and broader voice upgrades ahead.