LongCat-Video-Avatar 1.5
An audio-driven digital human framework with Whisper Large encoding, RLHF, and 8 NFE distillation for production-grade avatar generation.
Independent third-party resource. Not affiliated with or endorsed by LongCat or Meituan.
Overview
LongCat-Video-Avatar 1.5 is documented in the meituan-longcat GitHub repository and is listed in the publisher API documentation. The model is the same entity referenced in both sources.
Documented capabilities
The statements below are described in the cited primary documentation. They describe what the cited documentation says the model is, not an independent performance evaluation.
- Audio-driven digital human with accurate lip-synchronization.
- Whisper Large audio encoder.
- Full-body temporal stability and identity consistency.
- 8 NFE step distillation for production inference.
- Generalizes to anime and animals via RLHF training.
- Multi-person interaction and object handling support.
Access and license
Open source. Verify repository license before commercial use.
Independent-site notes
This profile is a source-based summary. It does not contain any benchmark, evaluation, or quality claim produced by this site.
No independent testing has been published by this site.
Any performance figures attributed to the model in third-party materials are vendor-reported and have not been independently verified on this site.
Sources
- LongCat-Video-Avatar 1.5 (arXiv:2605.26486)
Primary sourcePublished 2026-05-26Accessed 2026-07-27
Whisper Large audio encoder, RLHF, 8 NFE distillation. 500+ case benchmark: competitive with HeyGen, OmniHuman 1.5, Kling Avatar 2.0.
- LongCat-Video GitHub (includes Avatar)
Primary sourceAccessed 2026-07-27
Built on LongCat-Video DiT foundation.
FAQ
- Where can the primary source for LongCat-Video-Avatar 1.5 be found?
- The official GitHub repository (meituan-longcat) and HuggingFace page contain the primary documentation, model weights, and license for LongCat-Video-Avatar 1.5.
- Is LongCat-Video-Avatar 1.5 available through the LongCat API?
- LongCat-Video-Avatar 1.5 is documented in the meituan-longcat GitHub organization. Refer to the publisher API documentation at longcat.chat for current API availability.
- Is this page an official LongCat or Meituan page?
- No. This page is published by an independent third-party site. It is not affiliated with, endorsed by, or sponsored by LongCat or Meituan.
- How often is this page updated?
- This page was last verified on 2026-07-27. Content is reviewed when new publisher documentation or model releases become available.
Independent third-party disclosure
This page is published by an independent third-party site. It is not affiliated with, endorsed by, sponsored by, or operated by Meituan, LongCat, or any of their affiliates. The content summarizes publicly-available primary documentation and does not represent the views of any referenced organization.
Last reviewed: 2026-07-27