ChatOSS
A Codex alternative for Open Source AI built on Ollama
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What is ChatOSS?
ChatOSS is a native desktop workspace where AI agents write code, plan tasks, and ship projects directly in your repositories. It integrates an agentic coding environment with a Kanban board and supports open source models running locally via Ollama or cloud-based versions.
ChatOSS pricing
Pricing model: Freemium
Free forever with local Ollama models; cloud model pricing not specified
ChatOSS pros
- Free forever with local Ollama models—no account or credit card required
- Agents work directly in your repositories and can switch between multiple models mid-conversation
- Integrated Kanban board for task planning and team coordination alongside coding
- Extensible suite of apps including PR Reviewer and Migration Bot, plus ability to build custom apps
ChatOSS cons
- Limited to open source models, which may have lower performance/capability than proprietary models like GPT-4
- Requires local machine setup with Ollama or cloud configuration to get started
- No mention of team collaboration, permissions, or enterprise features in the content
Frequently asked questions about ChatOSS
Can I use ChatOSS without paying?
Yes—local Ollama models run entirely on your machine with no account, credit card, or usage limits.
What models does ChatOSS support?
Supports Qwen, DeepSeek, GLM, Minimax, Gemma, Nemotron, and custom models via Ollama. You can switch models mid-conversation and run multiple agents in parallel.
Can I use ChatOSS offline?
Yes—local Ollama models run entirely on your machine without requiring internet or external services.