Gritcode vs Claude Code, Cursor and DeepSeek Harness
They're all good tools, and Gritcode takes a different approach: a native, open-source agent harness that runs DeepSeek V4 for a fraction of the price, in an app just 1% the size of the Claude desktop app. Here's a straight comparison.
| Gritcode | Claude Code | Cursor | DeepSeek Harness | |
|---|---|---|---|---|
| What it is | Native desktop coding agent | Anthropic's agentic coding tool (terminal, IDEs, desktop app) | AI code editor based on VS Code | DeepSeek's plugin-based agent harness (developer preview) |
| App size on macOS | 10.5 MB | 892 MB (Claude desktop app) | 1.36 GB | Runs via npx (Node.js) |
| RAM at rest | 58 MB | 1.8 GB (Claude desktop app) | 1.6 GB | Not measured |
| UI technology | Native C++20 / wxWidgets | Terminal UI; Electron desktop app | Electron (VS Code fork) | Local web app in your browser |
| Open source | Yes, GPLv3 | No | No | Yes, MIT |
| Models | DeepSeek V4 Pro / V4.1 Flash, free Kilo model | Anthropic Claude models | Several providers | DeepSeek; pluggable providers |
| Pricing | Free app; pay DeepSeek per token, or $0 on the free tier | Claude subscription or API usage | Subscription plans, limited free tier | Free; pay DeepSeek per token |
| Account required | No | Yes | Yes | DeepSeek API key |
| Built-in editor | The essentials: file tree, syntax-highlighted editor, quick edits | No; works alongside your IDE | Full classic IDE (VS Code fork) | — |
| One-click run | ▶ Play, no tokens used | Via agent commands | Via VS Code tasks and debugger | Via agent commands |
Measured on an Apple Silicon Mac on 14 Sep 2026. App size is from Finder. RAM is the macOS physical memory footprint summed across each app's processes: Gritcode about 15 seconds after a fresh launch; Cursor idle about 20 minutes after launch (15 processes); the Claude desktop app idle after a fresh launch (13 processes). Product details change often, so check each vendor's site for current plans and features.
Detailed comparisons
Each comparison is honest about where the other tool is the better choice.
Gritcode vs Claude Code
An open-source, GUI-first Claude Code alternative that runs DeepSeek V4 with no account and no subscription.
Read the comparison →Gritcode vs Cursor
In the agentic era you type less and review more. Gritcode keeps the essential parts of an IDE and cuts the rest.
Read the comparison →Gritcode vs DeepSeek Harness
DeepSeek's official plugin framework in the browser, compared with a finished native desktop app for DeepSeek.
Read the comparison →Why a native harness matters
An agent harness runs all day. A native one starts instantly, idles at near-zero CPU, stays under 60 MB of RAM (in our tests Cursor idled at about 1.6 GB) and feels like part of your OS. You can leave it open beside your IDE, your browser and your build without noticing it.
See the difference yourself.
Free, open source, 3.5 MB. No account needed.