
Seed Diffusion
Seed Diffusion is an experimental diffusion language model by ByteDance that achieves 5.4x faster inference speed compared to traditional autoregressive models while maintaining comparable performance through innovative two-stage diffusion training and constrained order learning.
https://seed.bytedance.com/en/seed_diffusion?ref=producthunt

Product Information
Updated:Aug 8, 2025
What is Seed Diffusion
Seed Diffusion Preview is an experimental language model developed by the ByteDance Seed team that aims to validate the feasibility of discrete diffusion as a foundational framework for next-generation language models. Using structured code generation as its experimental domain, it represents a significant advancement in AI language model technology. The model was designed to address the limitations of traditional autoregressive models while maintaining high-quality output, making it particularly effective for code generation and editing tasks.
Key Features of Seed Diffusion
Seed Diffusion is an experimental diffusion language model developed by ByteDance Seed team that introduces innovative approaches including two-stage diffusion training, constrained order learning, and on-policy learning for efficient parallel decoding. It achieves significantly faster code generation speeds (2146 tokens/s) while maintaining comparable performance to traditional autoregressive models, representing a breakthrough in balancing speed and quality for language models.
Two-Stage Curriculum Learning: Combines mask-based diffusion training for pattern learning and edit-based diffusion training for global code validation and correction
Constrained-Order Diffusion: Incorporates structural code dependencies through model-aware trajectory synthesis and filtering to improve generation quality
Efficient Parallel Decoding: Uses on-policy learning and block-wise parallel sampling to optimize generation speed while maintaining output quality
System-Level Optimization: Leverages specialized infrastructure framework optimized for diffusion sampling with KV-caching support
Use Cases of Seed Diffusion
Code Generation: Rapidly generates high-quality code while respecting structural dependencies and patterns
Code Editing and Repair: Performs code corrections and modifications with improved accuracy on benchmarks like CanItEdit
Pattern-Based Completion: Fills in missing code segments while maintaining consistency with surrounding context
Pros
5.4x faster inference speed compared to similar-scale autoregressive models
Maintains comparable or better performance on core benchmarks
Flexible block-wise processing for balanced computation and latency
Cons
High computational overhead for single parallel inference steps
Requires complex training strategy with multiple stages
May face training instability when directly optimizing for speed
How to Use Seed Diffusion
No detailed usage instructions available: Seed Diffusion Preview is described as an experimental model by ByteDance Seed team, but specific usage instructions, API documentation, or implementation details are not provided in the source material.
Seed Diffusion FAQs
Seed Diffusion Preview is an experimental diffusion language model released by ByteDance Seed team, designed to validate the feasibility of discrete diffusion as a framework for next-generation language models, with a focus on structured code generation.
Seed Diffusion Video
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