Crush CLI + Qwen-3 Coder (Free) : Bye Claude Code! I'M Finally SWITCHING to this New & Fast CLI!

Key Concepts:

• Crush: A new AI coder, a revamped version of Open Code, built entirely on Go.
• LLM (Large Language Model): AI models used by Crush for code generation and assistance.
• LSP (Language Server Protocol): Used by Crush to provide additional context, such as code errors and linter warnings.
• MCP (Modular Capability Package): Allows users to add custom capabilities to Crush.
• Open Router: A platform used to access various LLMs, including the Quen 3 coder free variant.
• Charm Markdown File: A summary file for the project, similar to Claude MD files.

1. Introduction to Crush: The New AI Coder

• Crush is presented as a new AI coder, a revamped version of the original Open Code.
• It is developed by the original developer of Open Code after joining Charm.
• Crush is built entirely on Go, which contributes to its speed and performance.
• It's positioned as a "new coding bestie" accessible in the terminal.

2. Key Features and Functionality

• Multimodel Support: Crush supports various LLMs, offering flexibility in model selection. While it doesn't support Claude Max subscription like Open Code, it allows switching LLMs mid-session while preserving context.
• Context Preservation: Maintains multiple work sessions and contexts per project.
• LSP Integration: Utilizes LSPs for additional context, enabling it to detect code errors and linter warnings.
• MCP Support: Allows users to extend its capabilities through MCPs.
• Cross-Platform Compatibility: Works natively on all major operating systems, including Windows.

3. Installation and Setup

• Crush can be installed using Homebrew, npm, or the Go package manager.
• After installation, it can be run using the crush command.
• The initial setup involves selecting a model and entering the API key.
• It also prompts the user to initialize a Charm markdown file for project summarization.

4. User Interface (UI) and User Experience (UX)

• The UI is described as more visually appealing and cohesive compared to Open Code and Claude Code.
• The terminal resize functionality is highlighted as a significant improvement over Open Code, which often loses elements during resizing.
• The UI is considered more "lifelike" and the overall experience is more cohesive.

5. Commands and Functionality

• / is used for referencing files. Hitting / will show the files that can be referenced.
• Ctrl + P is used to access commands and settings.
• Available commands include:
  • New Session (Ctrl + N): Creates a new thread.
  • Switch Session: Switches between different sessions.
  • Switch Model: Allows changing the LLM being used.
  • Initialize Project: Creates the Charm markdown file.

6. Limitations and Missing Features

• Lacks custom commands or agents.
• Does not have a plan mode or a dedicated chat mode.
• No undo or redo functionality.
• No support for Claude subscription.

7. Practical Usage and Performance

• The video demonstrates creating a Flappy Bird game using HTML, CSS, and JS.
• Crush is described as "snappy" and efficient in generating code.
• The modal-like approval prompts are preferred over the clunkier interfaces of Open Code and Claude Code.
• It allows scrolling through code diffs using arrow keys.
• Testing with Claude Sonnet yields similar results to Claude Code, while using Quen provides comparable performance for free.
• The terminal interface is well-integrated, addressing issues with zooming and layout calibration found in Open Code and Claude Code.

8. Comparison with Other AI Coders

• Crush is compared favorably to Open Code and Claude Code in terms of UI, UX, and performance.
• It is noted to be faster than Open Code.
• The speaker expresses a preference for Crush over Open Code and Claude Code due to its minimal UI, great features, and speed.

9. Conclusion and Recommendation

• Crush is described as a "minimal UI with great features" and "super fast."
• The speaker intends to use it as their main CLI.
• It is praised for its well-integrated terminal interface and open-source nature.
• The video concludes with a strong recommendation to try Crush.

Notable Quotes:

• "They say that it's your new coding bestie now available in your favorite terminal."
• "I think that the UI of this is much more lifelike compared to other options."
• "It's a minimal UI with great features, and it's super fast."
• "Probably one of the best cooked terminal interfaces. I really like this."

Technical Terms:

• AI Coder: An AI-powered tool that assists with code generation and development.
• CLI (Command Line Interface): A text-based interface for interacting with a computer.
• Go: A programming language known for its speed and efficiency.
• HTML, CSS, JS: Core technologies for web development (HTML for structure, CSS for styling, and JavaScript for interactivity).
• API Key: A code used to authenticate and authorize access to an API (Application Programming Interface).
• Endpoint: A specific URL or entry point for accessing a service or API.

Synthesis/Conclusion:

Crush is presented as a promising new AI coder that builds upon the foundation of Open Code while addressing many of its shortcomings. Its Go-based architecture, multimodel support, LSP integration, and well-designed UI contribute to a fast, efficient, and enjoyable coding experience. While it currently lacks some features found in other AI coders, its strengths and open-source nature make it a compelling alternative, particularly for developers who value speed, a clean interface, and cross-platform compatibility. The speaker's enthusiasm and intention to adopt Crush as their primary CLI highlight its potential to become a leading tool in the AI-assisted coding landscape.