OpenAI Unveils Codex Spark: AI Codes 15x Faster in Real Time

• OpenAI introduces GPT-5.3-Codex-Spark, a new AI model for real-time coding, 15 times faster than traditional models.
• Codex Spark generates over 1,000 tokens per second, enabling instant code changes and seamless collaboration.
• The model runs on Cerebras’ Wafer Scale Engine 3, an AI accelerator for extreme-speed inference workloads.
• It supports real-time collaboration, allowing developers to interrupt and refine AI output, focusing on small, efficient edits.
• Available to ChatGPT Pro users via Codex app, CLI, and VS Code extension, with separate rate limits during research preview.