Seed Diffusion Preview API

Seed Diffusion Preview is an experimental diffusion language model from ByteDance Seed for high-speed code generation.
Output

How to use Seed Diffusion Preview API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to .

OpenAI-compatible — swap the base URL and it works with your existing SDK.

Seed Diffusion Preview API Pricing

TypePrice
Output

Seed Diffusion Preview Benchmarks

BenchmarkScoreWhat it measuresSourceRetrieved
HumanEval
84.8%
Python function synthesis from a docstring, scored by unit tests (pass@1)SourceSeptember 22, 2026
LiveCodeBench
33.7%
Contamination-free competitive programming problemsSourceSeptember 22, 2026

Frequently asked questions

Seed Diffusion Preview was built by ByteDance.

Seed Diffusion Preview is built for reasoning tasks.

Start building with Seed Diffusion Preview

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