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GPT-5.3-Codex-Spark delivers ultra-fast real-time AI coding at 1,000 tokens per second

OpenAI has launched GPT-5.3-Codex-Spark, its first AI model built specifically for real-time coding, capable ...

OpenAI introduces GPT‑5.3‑Codex‑Spark, an ultra-fast coding model powered by Cerebras0 0

ChatGPT Pro subscribers can try the ultra-low-latency model by updating to the latest versions of the Codex app, CLI, and VS Code extension. OpenAI is also making Codex-Spark available via the API to ...