"OpenAI is releasing its first artificial intelligence model powered by chips from Nvidia rival Cerebras Systems, expected to be a lighter version of its automated coding Codex model. The update is part of a broader push by OpenAI to expand the pool of suppliers it uses to train and deploy AI models. It signed a $10 billion deal with Cerebras in January, one of several chip agreements struck over the past 12 months."
"GPT-5.3 Codex Spark is designed for real-time, interactive coding rather than longer-running Codex tasks such as generating large volumes of code from a single prompt. Developers can use it for targeted edits, tweaks and refinements. It will reportedly be available to ChatGPT users on Thursday. The release reflects a wider shift among foundation model providers toward more targeted, smaller models built for specific use cases."
OpenAI is releasing GPT-5.3 Codex Spark, its first AI model powered by Cerebras Systems chips, offering a lighter, real-time interactive coding capability for targeted edits and refinements. The model emphasizes quick, on-the-fly code changes rather than generating large codebases from single prompts and will be available to ChatGPT users on Thursday. The release is part of OpenAI's effort to diversify hardware suppliers, following a $10 billion Cerebras deal and additional partnerships with AMD for Instinct GPUs and Broadcom for custom accelerators. The move mirrors an industry trend toward smaller, task-specific foundation models while Nvidia GPU dominance persists.
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