Ghostty

tool active free

A fast, feature-rich terminal emulator written in Zig by Mitchell Hashimoto (HashiCorp co-founder). Ghostty emphasizes performance, correctness, and modern features while maintaining compatibility with existing terminal applications. It has become popular among developers using terminal-based AI coding assistants due to its speed and reliability.

Implements

Concepts this tool claims to implement:

  • Tool Use overlapping

    Provides the terminal environment where CLI-based AI tools (Claude Code, OpenCode, etc.) run. Native performance enables smooth operation of token-intensive AI interactions.

Integration Surfaces

  • Desktop Application
  • CLI Host

Details

Vendor
Mitchell Hashimoto
License
MIT
Runs On
local
Used By
human

Notes

Ghostty represents the modern terminal emulator renaissance, competing with Alacritty, Kitty, and WezTerm. Its adoption in the AI coding community stems from the rise of terminal-based AI assistants that benefit from fast, reliable terminal rendering. Built by a respected infrastructure engineer, it emphasizes correctness and performance.