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OpenAI · model release

GPT-4o

OpenAI shows GPT-4o, which can see, hear and talk in real time; ChatGPT gets it now, with voice to follow.

Said to kill

  • Amazon AlexaStill fine

    GPT-4o could talk in real time, show emotion and understand what its camera saw, so writers said older assistants like Alexa seemed outdated.

    Alexa+ opened to all US users, Feb 2026

  • DuolingoStill fine

    GPT-4o was shown translating speech in real time and helping people learn, so writers suggested apps like Duolingo could become unnecessary.

    Daily users up 29%

  • Humane Ai PinDead

    GPT-4o could handle natural voice conversations on a phone, so people asked why they would pay for a separate screenless AI device.

    Shut down 28 Feb 2025

  • SiriStill fine

    GPT-4o could hold a real-time spoken conversation, be interrupted and see through a phone camera, which Siri then could not do.

    New Siri AI announced, Jun 2026

In detail

OpenAI announced GPT-4o, handling text, audio and images. Text and image features began rolling out in ChatGPT, including the free tier, and in the API; the new voice mode was to follow in alpha for Plus users.

Sources

  1. Hello GPT-4o · OpenAI · Primary source

Last checked 11 November 2026.

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