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OpenAI launches a research preview of GPT-5.3-Codex-Spark, a smaller version of GPT-5.3-Codex that it claims generates code 15 times faster, for Pro users (David Gewirtz/ZDNET)

David Gewirtz / ZDNET : OpenAI launches a research preview of GPT-5.3-Codex-Spark, a smaller version of GPT-5.3-Codex that it claims gene...