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13 Feb 2026
OpenAI debuts first model using chips from Nvidia rival Cerebras
Summary
OpenAI is releasing GPT-5.3-Codex-Spark, its first AI model running on Cerebras Systems chips, as part of its strategy to diversify chip suppliers beyond Nvidia. The new model, a faster version of Codex for coding automation, will be available to ChatGPT Pro subscribers as a research preview.