AI models

GPT-5.3-Codex

by OpenAI

model by OpenAI

2.2× in 7 days, from 51.8B to 116B tokens a week, faster than 96% of AI models.

Measured by Vela Breakout · as of Oct 10, 2026 · How we measure

200B400BAug 22Sep 7Sep 23Oct 10similar peersGPT-5.3-Codex116B

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