> OpenAI released GPT-5.3-Codex-Spark, a real-time coding model
[AUTHOR: Anamarija Pogorelec]
[DATE: 13/02/2026 09:32]
[LANGUAGE: EN]
OpenAI has released a research preview of GPT-5.3-Codex-Spark, an ultra-fast model for real-time coding in Codex. It is available to ChatGPT Pro users in the latest versions of the Codex app, the command-line interface, and the VS Code extension. The model delivers over 1,000 tokens per second when served on ultra-low-latency hardware while remaining capable of handling real-world coding tasks. “We’re sharing Codex-Spark on Cerebras as a research preview to ChatGPT Pro users so that … More →
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