ai Source: OpenAI News
📅 13 September 2026 at 04:31 PM UTC

Introducing GPT-5.3-Codex-Spark

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⚡ Executive Takeaways & Intelligence Summary
Introducing GPT-5.3-Codex-Spark—our first real-time coding model. 15x faster generation, 128k context, now in research preview for ChatGPT Pro users.
Publication Reference: https://openai.com/index/introducing-gpt-5-3-codex-spark
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