Butterfish Shell records 34 monthly visits with -97.5% month-over-month growth and Free, Open Source (bring your own API key) pricing. VS Code records 7,397,370 monthly visits with -3.8% growth and Freemium pricing.
A bash and zsh shell with LLM prompting built in
Write code with precision, hand bigger jobs to agents, and keep working from anywhere
| Dimension / Metric | | |
|---|---|---|
| Official Domain | butterfi.sh | code.visualstudio.com |
| Pricing Model | Free, Open Source (bring your own API key) | Freemium |
| Monthly Visits | 34 (34) | 7.4M (7,397,370) |
| MoM Traffic Delta | -1.33K (-97.5%) | -288.8K (-3.8%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (18.9%) |
| Direct Visits / mo | 14 | 2.17M |
| User Rating | 4.4 | 4.8 |
| Supported Platforms | Website | Website |
A bash and zsh shell with LLM prompting built in
Start any line with a capital letter to send it to the AI as a prompt, while normal lowercase commands behave exactly as before.
The model receives your recent commands and their output, so follow-up questions like 'why did that fail?' get grounded answers.
Copilot-style command suggestions appear in the shell and can be applied with Tab, informed by your recent history.
Trigger an autonomous loop with ! to have the model propose commands toward a goal, or !! to let it run them without confirmation.
Write code with precision, hand bigger jobs to agents, and keep working from anywhere
Agents open the repository, form a plan, edit multiple files and explain the changes so you can review each diff before accepting it. You can also run several agents in parallel to push a backlog forward.
Point the editor at Anthropic, OpenAI, Google, Microsoft or open-weight models, or bring your own key. Pick the Copilot, Claude or Codex harness that matches how you like to work.
JavaScript, TypeScript, HTML and CSS work out of the box, and Marketplace extensions add IntelliSense, linting, refactoring and debuggers for Python, Java, C++, Go, Rust and more.
Integrated terminal, source control, debugger, testing, Jupyter notebooks, an integrated browser and Dev Containers all live in one window, so you stay close to the code.
AI-native code editor built on VS Code fork with deep multi-file editing and intelligent codebase indexing.
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