Step Audio Editx specs, prices, where it runs and its benchmark standing

Facts

Provider

StepFun

Release date

Feb 12, 2026

Boards

Parameters

3.5B total

Hugging Face

Modalities

Text to Audio

Boards

Hosting

self-host: weights on Hugging Face

Hardware

Estimate: about 7.1 GB of weights as published (BF16), about 3.5 GB at 8-bit, about 1.8 GB at 4-bit, plus memory for the context

Hugging Face config

Weights

Open weights

Benchmarks

1 board captured