OpenAI Launches New High-Speed Coding Model

2026-02-13

OpenAI launches GPT-5.3-Codex-Spark, a compact model optimized for real-time coding on Cerebras chips, achieving over 1,000 tokens/second. It prioritizes speed and interactivity, with reduced accuracy but significantly faster task completion than larger models. A research preview is available for ChatGPT Pro users.

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