AI Disruption

AI Disruption

OpenAI Debuts First Speed-Focused Model: GPT‑5.3‑Codex‑Spark

Discover GPT-5.3-Codex Spark, OpenAI's first ultra high speed model designed for real time programming.

Meng Li's avatar
Meng Li
Feb 15, 2026
∙ Paid

“AI Disruption” Publication 8800 Subscriptions 20% Discount Offer Link.


Introducing GPT-5.3-Codex-Spark | OpenAI

Recently, GPT-5.3-Codex-Spark has officially been released!

This time, no big principles—just one word: fast.

How fast exactly? Check out the official demo:

Image
Image

It’s the “Flash” of the GPT-5.3 family.

User's avatar

Continue reading this post for free, courtesy of Meng Li.

Or purchase a paid subscription.
© 2026 Meng Li · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture