SEPIA
SEPIA: A self-hostable voice assistant framework for custom commands and connected-device control. Ranked #27 of 28 in Ai Assistant by our editors (6.5/10); pricing: Free plan; best for open-source voice control for smart services and devices.
At a glance
- Editor score6.5 / 10
- PricingFree plan
- Best forOpen-source voice control for smart services and devices
- Free planYes
- Paid fromFree
- Facts checked24 Sep 2026
Where it wins
- Understands spoken or typed natural-language requests
- Supports custom commands and multi-step dialogs
- Mesh-Nodes connect devices and run programs on them
Where it doesn't
- Building voice-controlled services calls for Java SDK work
- Its listed integrations are Google Maps and FHEM
- Its focus is voice assistants, not general AI agent building
Our verdict on SEPIA
SEPIA is an open-source framework and client app for creating customizable digital voice assistants. It is aimed at people who want voice control for smart services and devices, especially solo users or small teams comfortable shaping their own setup. Requests can be spoken or typed, and the system connects them to services such as reminders, to-do lists, news and IoT interfaces. Public clients include web, iOS and Android, while the framework can be hosted in the cloud or self-hosted on a private server, including a single-board computer.
Customization is central to SEPIA’s appeal. Users can create and teach custom commands through the client app, while multi-step dialogs can ask for information a request lacks. The Java SDK provides a route for building voice-controlled services, and Mesh-Nodes are designed to connect devices and execute programs on them. A Control HUB handles server settings and smart-home devices. Together, these parts make SEPIA more suited to assembling a voice interface around specific services and connected hardware than to using a ready-made general-purpose assistant.
The trade-off is a comparatively focused integration footprint: the named integrations are Google Maps and FHEM, alongside the broader stated support for smart services and IoT interfaces. Its open-source model and self-hosting option will appeal to people who prioritize customization and private-server deployment, but the framework-and-client approach expects more involvement than a turnkey assistant. Choose SEPIA for configurable voice control and device connections; look elsewhere if the priority is a broad, ready-to-use AI assistant or a large named integration catalog.
Your product? Our editors can test SEPIA in depth and publish a review, labelled as paid · from $149/mo →
SEPIA pricing
SEPIA fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Web search | Not verified |
| File analysis | Not verified |
| Image generation | Not verified |
| Mobile apps | Not verified |
| Context window | Not verified |
| Model choice | Not verified |
| Deployment | Cloud, Self-hosted, Browser extension |
| Platforms | Web, iOS, Android, Linux, Windows, macOS |
| Support | Docs, Community |
| Built for | Solo, Small business (editorial estimate) |
| Integrations | 2 integrations: Google Maps, FHEM |
| Pricing | Free plan |
| Website | sepia-framework.github.io |
| Facts checked | 24 Sep 2026 |
SEPIA integrations
SEPIA lists 2 integrations on its own site.
- Google Maps
- FHEM
Alternatives to SEPIA
- ChatGPTA broad assistant for questions, writing, research, files, images, voice, and data analysis.9.4
- GeminiA multimodal assistant with broad Google app connections and a free tier.9.3
- ClaudeClaude combines web search, file analysis, code execution, and project tools for knowledge work.9.2
Also Ranked In
SEPIA is ranked in 2 of our directories.
Used SEPIA? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used SEPIA for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
SEPIA is listed in our Ai Assistant directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/sepia/"><img src="https://www.itechguides.com/best/badge/sepia.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update