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OpenAI WebRTC Audio Session Adds GPT-Realtime-2 and Document Context
Simon Willison's Weblog5 hours agoNew Tool
Simon Willison revisited his OpenAI WebRTC Audio Session tool, originally built in December 2024 to test OpenAI’s realtime audio API. The update lets users choose GPT-Realtime-2, a newer realtime voice model OpenAI described as having GPT-5-class reasoning. It also adds a document-context box, allowing users to paste text before starting a browser-based voice session and discuss that material conversationally.