Artificial intelligence · September 2025

Sora 2

Video generation with synchronized sound, shipped as a social app.

OpenAI launched Sora 2 alongside an iOS app built around AI-generated clips. The app closed on April 26, 2026 and the API on September 24, 2026, a reminder that capability alone does not make a product.

See it in the living tree Wikipedia Source

Arcs above join it to what it stood on, arcs below to what it led to. The bar places this stretch on the tree's whole timeline.

What it built on 2

Sora 2024
Diffusion models 2015

Watch

This is Sora 2OpenAI · YouTube

Related measurements

The dashed line marks when it first worked.

Training compute of notable AI models Source: Epoch AI, Notable AI Models (CC BY 4.0)

ML hardware FLOP/s per dollar Source: Epoch AI, ML hardware (CC BY 4.0)