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Introducing GPT-5.3-Codex-Spark — forck.live

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OpenAI· GPT / ChatGPT / API

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.

Visit source ↗openai.com

Announced: 12 Feb 2026 10:00 UTC
Detected: 03 Aug 2026 21:11 UTC (+172d after)

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