OpenCohost is a local-first AI voice co-host. A Tauri desktop shell drives a Python engine (Ollama/cloud LLMs, Piper TTS, LiveAudio STT, OBS integration) for push-to-talk conversation, agenda reading, and viewer-chat interaction while streaming.
Publisher’s description
What is OpenCohost?
OpenCohost is an open-source live streaming program for Windows from plynte-labs. It is written in Python.
Installation and requirements
Official installers exist for 64-bit as EXE (NSIS). It can be installed for the current user only, without administrator rights. It needs Windows 10 1809 or newer. The installer supports unattended (silent) installation.
Popularity and file types
The source code on GitHub (plynte-labs/OpenCohost) has 1 stars. Similar programs include Sunshine, Streamlabs Desktop and DistroAV.
Project description on GitHub: “Local-first AI co-host for users and live streamers — LLM inference on your own hardware via Ollama, no subscription, and by default your viewer chat never leaves the machine”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Installs without administrator rights
- Updated in the last two months
Cons
- No native ARM64 build
In short: OpenCohost is an open-source live streaming tool for 64-bit PCs. Administrators can deploy it unattended.
Is OpenCohost safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
56885453A91B366877664F027CB2B14BA17DE417E4123F4140710F4492D6E807· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 0.3.0-alpha.4Latest | October 21, 2026 | — | 64-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id plynte-labs.OpenCohost -eOpenCohost-0.3.0-alpha.4-x64-setup.exe /SRelated guide: How to use winget: install and update apps
Information
- Publisher
- plynte-labs
- Category
- Live streaming
- Licence
- MIT
- Price
- Free
- Source code
- github.com/plynte-labs/OpenCohost
- Written in
- Python
- Requires
- Windows 11 / 10 (Windows 10 1809+)
- Architecture
- 64-bit
- Installer
- EXE (NSIS)
- Version
- 0.3.0-alpha.4
- Released
- October 21, 2026
- Added to the catalogue
- October 21, 2026
- Versions listed
- 1
- GitHub stars
- 1
- GitHub forks
- 1
- winget ID
- plynte-labs.OpenCohost
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is OpenCohost free?
Yes. OpenCohost is open-source software under the MIT licence.
Is OpenCohost safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install OpenCohost with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can OpenCohost be installed silently?
Yes. The silent install page lists the exact command for each installer.
Which Windows versions does OpenCohost support?
The installer requires Windows 10 1809 or newer and is available for 64-bit.
Does OpenCohost run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Can I use OpenCohost without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to OpenCohost?
Sunshine, Streamlabs Desktop, DistroAV, Streamlink and GPAC. The alternatives page compares them.
