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Source: OpenAI News
📅 13 September 2026 at 04:31 PM UTC
Introducing GPT-5.3-Codex
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⚡ Executive Takeaways & Intelligence Summary
GPT-5.3-Codex is a Codex-native agent that pairs frontier coding performance with general reasoning to support long-horizon, real-world technical work.
Publication Reference: https://openai.com/index/introducing-gpt-5-3-codex
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