STORY · MODELLER_
OpenAI launches GPT-5.3-Codex-Spark for real-time programming coding
OpenAI has presented GPT-5.3-Codex-Spark, a model specifically designed for code generation that is 15 times faster than previous versions. The model has a 128k context window and is now available in research preview for ChatGPT Pro users.
WHY IT MATTERS
A dedicated code model with significant speed improvements and larger context window capabilities transforms the user experience for programming and opens potential new use cases for real-time AI assistance in development tools.
SOURCES
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