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ByteDance Lance Unified Model

ByteDance Lance Unified Model

Key Questions

What is ByteDance's Lance 3B model?

Lance 3B is an open-sourced unified model for image and video generation, editing, and understanding. It uses dual-stream MoE and modality-aware RoPE techniques.

Can Lance 3B run locally?

Yes, the model supports local execution for users. It was demonstrated alongside Seedance 2.0 at the Cannes Film Festival.

How does Lance handle multiple modalities?

A single model covers image/video generation, editing, and understanding tasks. This unified approach simplifies workflows across three modalities.

Where was Lance 3B showcased publicly?

ByteDance presented Lance at the Cannes Film Festival through its Volcano Engine. The showcase highlighted its integration with Seedance 2.0.

What architecture powers Lance's unified capabilities?

Dual-stream Mixture-of-Experts combined with modality-aware RoPE enables unified performance. This design supports both generation and comprehension in one model.

Open-sourced Lance 3B sibling model with dual-stream MoE and modality-aware RoPE for unified image/video generation/editing/understanding. Local run available; showcased with Seedance 2.0 at Cannes.

Sources (3)
Updated May 22, 2026