Step-Audio-2-mini
Released by stepfun-ai in 2025, Step-Audio-2-mini is an chat model. Step-Audio-2-mini is an open-weights chat model.
by stepfun-ai
Best for
Ways to use Step-Audio-2-mini in osFoundry
Connect with your own key (BYOK)
Open the key dialog and paste your stepfun-ai API key. osFoundry discovers Step-Audio-2-mini automatically — assign it to a Maestro role (router, direct, orchestrator, or fallback) in the Pipeline tab and it is live in every chat. Your key, your provider account — no token markup.
Deploy a dedicated endpoint
Step-Audio-2-mini is open-weights — run it locally for free, or deploy a dedicated GPU endpoint in your workspace for reserved capacity with no rate limits.
Use it in a Room App
Room Apps declare AI features in their manifest, then call them with invokeAI:
import { invokeAI } from '@osfoundry/app-sdk'
// 'summarize' is an AI feature declared in your app manifest.
const result = await invokeAI('summarize', userText)
Call it from your own apps
Once a model is wired into your workspace you can host it as an API and reach it from your own services, scripts, or CI — outside osFoundry.
Step-Audio-2-mini vs similar models
Licence
Unspecified — Licence terms not specified — verify the upstream model card before commercial use.
Check upstream documentation.
Frequently asked about Step-Audio-2-mini
Is Step-Audio-2-mini free to use?
Step-Audio-2-mini is free to run locally on your own hardware. Hosted access through osFoundry is metered (input Free (local), output Free (local)). You can switch between local and hosted at any time.
Can I use Step-Audio-2-mini commercially?
Commercial use is allowed with conditions. Licence terms not specified — verify the upstream model card before commercial use. Check upstream documentation.
Can I run Step-Audio-2-mini locally?
Yes. Step-Audio-2-mini is open-weights and runs locally on a workstation GPU. osFoundry's local runtime handles model loading, quantisation, and routing.
What is Step-Audio-2-mini best at?
Step-Audio-2-mini is well-suited to any to any.
How do I use Step-Audio-2-mini in osFoundry?
Paste your stepfun-ai API key in the key dialog (or deploy the open weights for self-hostable models), assign Step-Audio-2-mini to a Maestro role in the Pipeline tab, then use it in chat, Room Apps via invokeAI, or your own apps.
Published by stepfun-ai on August 28, 2025. Source: https://huggingface.co/stepfun-ai/Step-Audio-2-mini