OpenAI

Introducing GPT-5.3-Codex-Spark

February 12, 2026 at 10:00 AM • 2 months ago

Introducing GPT-5.3-Codex-Spark—our first real-time coding model. 15x faster generation, 128k context, now in research preview for ChatGPT Pro users.

Read the full article at: openai.com →