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OpenAI releases GPT-Live-1 API

OpenAI has released its GPT-Live-1 full-duplex speech model as a developer API, enabling applications to talk and listen simultaneously. The model reportedly scores 80.1 percent in interactivity tests, up from 45.4 percent in its predecessor, and is priced at $0.05 per minute. Claims are as reported; this summary makes no determination about accuracy or significance.

First detected
Sep 10, 2026
Last updated
Sep 10, 2026

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Why it matters

Real-time, bidirectional voice capability significantly lowers latency for conversational systems, but the $0.05 per minute pricing introduces notable operational costs for high-volume deployments.

Coverage

Primary/vendor sources vs independent reporting

Primary / vendor source: information published directly by the company, organization, government body or project involved. Useful as a primary source, but not independent confirmation.

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How this developed

  1. Sep 10, 2026

    1. Development detected

    2. New reporting added