Open-Sora

class A live

Open-source 11B diffusion text/image-to-video model; Apache-2.0 weights, self-host, up to 768px and ~5s, no native audio.

Layer 1 — factual axes

API & price	self-host only	official	source ↗ 2026-07-04
Max output	768px · ~5s	official	source ↗ 2026-07-04
Native audio	no	official	source ↗ 2026-07-04
Weights	open · Apache-2.0	official	source ↗ 2026-07-04
Free tier	open self-host (free Gradio demo on HF)	official	source ↗ 2026-07-04

No independent measure yet. We publish a quality figure only when a named external benchmark ranks this model — we don’t invent one.

Open-source 11B diffusion text/image-to-video model; Apache-2.0 weights, self-host, up to 768px and ~5s, no native audio.