Gritcode vs DeepSeek Harness
DeepSeek Harness is DeepSeek's own agent harness, where "everything is a plugin". It's MIT-licensed and in developer preview, and runs as a local web app. Gritcode is an independent, finished native desktop app for coding with DeepSeek. They suit different people.
Quick verdict
Choose DeepSeek Harness if…
you want DeepSeek's official framework, plan to build or swap plugins, need subagents and different run modes, or are benchmarking agent designs.
Choose Gritcode if…
you want to download an app and start coding with DeepSeek right away. You get a native window, an editor, the ▶ Play button and a free tier, with no Node.js and no browser tab.
At a glance
| Gritcode | DeepSeek Harness | |
|---|---|---|
| Made by | Luke, an independent developer | DeepSeek |
| License | GPLv3 | MIT |
| Status | Stable releases | Developer preview |
| How it runs | Native desktop app (.dmg, .deb) | npx @deepseek-ai/dsh web, then use it in your browser |
| Needs | Nothing extra | Node.js |
| Architecture | Compact C++20 app | Everything is a plugin: models, tools, skills, sessions, UI |
| Sessions | Per-project SQLite history, cross-project search, .gritsession export and replay | Append-only session logs with resume, fork, search and replay |
| Editor and ▶ Play | Yes | — |
| Subagents | — | Yes |
| Free tier without a key | Yes, Kilo Free | No |
Where DeepSeek Harness is better
- It's official. It comes straight from the team that builds the models.
- Extensibility. Almost every behaviour is a swappable plugin, configurable without touching the source.
- Subagents and run modes, including Standard, Code, Minimal and Creator presets.
- Traceability. Every run is logged and can be resumed, forked or replayed.
Where Gritcode is better
- Install and go. A 3.5 MB download and a signed app, with no Node.js, no
npxand no local server. - A real desktop app. Native widgets and your OS keyring instead of a browser tab.
- Built for daily coding. File tree, editor, the ▶ Play button and cross-project memory.
- Lightweight. 58 MB of RAM at rest.
- Try it free. The Kilo Free model works with no DeepSeek key.
FAQ
Is Gritcode made by DeepSeek?
No. Gritcode is an independent open-source project. DeepSeek Harness is DeepSeek's own agent framework.
Is DeepSeek Harness a desktop app?
DeepSeek Harness runs as a local web app: you start it with npx @deepseek-ai/dsh web (Node.js) and use it in your browser. It is a developer preview.
Can I use both?
Yes. Both use your DeepSeek API key and work on normal project folders.
Based on DeepSeek's DeepSeek Harness page as of 14 Sep 2026. Details may change while it's in preview.
DeepSeek, in a native app.
Free, open source, 3.5 MB. Paste your key and go.