Z.aiVideo model

CogVideoX1.5-5B T2V

Clip lengthRank 33 of 63

10slongest single cliphigher is better

PopularityRank 430 of 875

31out of 100first value

Summary

CogVideoX1.5-5B T2V is a video model from Z.ai. CogVideoX1.5-5B T2V is a text-to-video checkpoint; the separate I2V variant remains its own catalog entry.

What CogVideoX1.5-5B T2V can do

“n/a” means the provider does not state it or we have not sourced it yet. That is not a “no”.

Text to videoyesSource

Image to videon/a

Referencesn/a

Audion/a

Runs locallyyesSource

Extendn/a

Start and end framen/a

Max. resolution1360 × 768Source

Popularity compared

How often the model is searched for, used and mentioned, compared with every model of its category.

Popularity index

0 to 100, higher is more popular

20 of 98 models

LTX-2.570

Sora 259

Veo 3.150

SkyReels V2 T2V 14B42

Grok Imagine Video42

Mochi 1 Preview39

CogVideoX1.5-5B T2V31

CogVideoX1.5-5B T2V

As of November 2026 · Source: gradually.ai popularity index

Over time

First value from November 5, 2026. The timeline appears from the second week.

CogVideoX1.5-5B T2V compared

Compare with another model

First video model

Second video model

All specifications

Architecture

Parameters: 5B; Source: Parameters

Input and output

Maximum resolution: 1360 × 768; Source: Maximum resolution
Maximum duration: 10 s; Source: Maximum duration

Watermarking and provenance

AI watermarking refers to invisible signals embedded in the output. Visible marks and provenance metadata are listed separately. Unknown means there is insufficient evidence for that particular field.

AI watermarking: Unknown; no source
Watermarking technique: Not known; no source

Licence and access

Weights: Open weights; Source: Weights
Access: Local; Source: Access
Release: CogVideoX1.5 was released on November 8, 2024.; Source: Release
Model license: The weights use the separate CogVideoX LICENSE. Apache 2.0 for the code is not the model license.; Source: Model license

Further details

Checkpoint: Canonical current Hugging Face ID: zai-org/CogVideoX1.5-5B. The former THUDM URL redirects to the current zai-org namespace.; Source: Checkpoint
Input mode: Text-to-video checkpoint; the separate I2V variant is not merged into this record.; Source: Input mode
Generation limits: The official model matrix lists 1360 × 768, 5 or 10 seconds, and 16 frames per second.; Source: Generation limits

Frequently asked questions about CogVideoX1.5-5B T2V

How long can a video with CogVideoX1.5-5B T2V be?

Up to 10 seconds in one go. Resolution: 1360 × 768.

According to Z.ai

Longest clip: 10s
Resolution: 1360 × 768
Open weights: yes

Sources and data date

Show all 9 sources

Type	Evidence and data date
Additional source	Z.ai (retrieved November 1, 2026) · Z.ai · Editorial description reviewed November 1, 2026
Additional source	Z.ai (retrieved November 1, 2026)1 2
Additional source	OpenRouter: Popularity index (derived), CC BY 4.0
Additional source	Vercel AI Gateway: Popularity index (derived), CC BY 4.0
Additional source	Ollama: cumulative downloads for the popularity index
Additional source	Replicate: cumulative runs for the popularity index
Additional source	Google Trending Now: limited feed selection for Germany and the US
Additional source	Creative Commons Attribution 4.0