Video · segment

Open-weights

Open model licence — self-hostable.

No independent measure ranks this whole set, so no crown. Shortlist ordered by Weights; the basis is stated, not hidden.

9 eligibledata as of 2026-07-04
Allegro Rhymes AI B live
API & price
self-host only
official
Max output
6s (88 frames @15fps) · 720p
official
Native audio
no
official
Weights
open · Apache-2.0
official
Free tier
open self-host
official
Quality no independent measure
Best freeOpen-weights ✓ 2026-07-04
Mochi 1 Genmo A live
API & price
cloud playground + self-host
official
Max output
5.4s · 480p (30fps)
official
Native audio
no
official
Weights
open · Apache-2.0
official
Free tier
open self-host + free hosted playground
official
Quality no independent measure
Best freeBest for APIOpen-weights ✓ 2026-07-04
Open-Sora HPC-AI Tech A live
API & price
self-host only
official
Max output
768px · ~5s
official
Native audio
no
official
Weights
open · Apache-2.0
official
Free tier
open self-host (free Gradio demo on HF)
official
Quality no independent measure
Best freeOpen-weights ✓ 2026-07-04
Wan 2.2 Alibaba (Tongyi Lab) A live
API & price
cloud + self-host
official
Max output
5s · 720p (24fps, TI2V-5B on one 24GB GPU)
official
Native audio
no
official
Weights
open · Apache-2.0
official
Free tier
open self-host
official
Quality no independent measure
Best freeBest for APIOpen-weights ✓ 2026-07-04
LTX-2 Lightricks A live
API & price
cloud + self-host · fal.ai $0.04-0.24/s
secondary
Max output
~10s · up to 4K (50fps)
official
Native audio
yes (LTX-2/2.3; older 0.9.x had none)
official
Weights
open · custom (Lightricks community licence; free commercial under $10M ARR)
official
Free tier
open self-host (free commercial under $10M ARR)
official
Quality 974Artificial Analysis Text-to-Video Arena (LTX-2.3 Fast) ↗
Best freeBest for APIOpen-weightsNative audio ✓ 2026-07-04
HunyuanVideo Tencent A live
API & price
third-party cloud + self-host · fal.ai $0.4/video
secondary
Max output
5s · 720p (129 frames)
official
Native audio
no
official
Weights
open · custom (Tencent Hunyuan Community License; excludes EU/UK/KR)
official
Free tier
open self-host (weights free; no vendor free hosted tier)
official
Quality 82.7VBench (third-party compilation) ↗
Best freeBest for APIOpen-weights ✓ 2026-07-04
Pyramid Flow Kuaishou / Peking University B live
API & price
self-host only
official
Max output
10s · 768p (24fps)
official
Native audio
no
official
Weights
open · MIT
official
Free tier
open self-host
official
Quality no independent measure
Best freeOpen-weights ✓ 2026-07-04
Step-Video-T2V StepFun B live
API & price
self-host only
official
Max output
204 frames (~8s) · 544×992
official
Native audio
no
official
Weights
open · MIT
official
Free tier
open self-host (free demo at yuewen.cn)
official
Quality no independent measure
Best freeOpen-weights ✓ 2026-07-04
CogVideoX Zhipu AI A live
API & price
cloud + self-host · hosted $0.2/video (z.ai)
official
Max output
10s · 1360×768 (16fps, CogVideoX1.5-5B)
official
Native audio
no (open weights video-only)
official
Weights
split — 2b: Apache-2.0; 5b: custom CogVideoX License
official
Free tier
open self-host + free Qingying web tier
official
Quality 80.3VBench (secondary compilation) ↗
Best freeBest for APIOpen-weights ✓ 2026-07-04