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A new version of OpenAI’s Codex is powered by a new dedicated chip

ThinkingNews Desk · how this was written

OpenAI’s latest Codex model, dubbed Codex-Spark, runs on dedicated Cerebras chips, marking the company’s first major hardware partnership beyond Nvidia. The chip-accelerated model generates code roughly fifteen times faster—over 1,000 tokens per second—and supports a 128,000-token context window with text-only inputs, now accessible to ChatGPT Pro subscribers.

Written from all 3 reports below, not from any single one.

How it was reported

  1. TechCrunch·
    A new version of OpenAI’s Codex is powered by a new dedicated chip

    OpenAI's new Codex version is powered by a dedicated chip. This marks the first milestone in OpenAI's partnership with a chipmaker. The new chip enhances the coding tool's capabilities.

  2. VentureBeat·
    OpenAI deploys Cerebras chips for 15x faster code generation in first major move beyond Nvidia

    OpenAI has partnered with Cerebras to deploy its chips, resulting in 15x faster code generation. The new model, Codex-Spark, is optimized for real-time coding collaboration. It launches with a 128,000-token context window and supports text-only inputs.

  3. Ars Technica·
    OpenAI sidesteps Nvidia with unusually fast coding model on plate-sized chips

    OpenAI deployed its GPT-5.3-Codex-Spark coding model on Cerebras chips, delivering code at over 1,000 tokens per second. This model is roughly 15 times faster than its predecessor. It features a 128,000-token context window and is available to ChatGPT Pro subscribers.

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