Kitty vs. Ratty
| Feature | Kitty | Ratty |
|---|---|---|
 |  | |
| Tagline | Cross-platform, fast, feature-rich, GPU based terminal. | A GPU-rendered terminal emulator with inline 3D graphics 🐀🧀 |
| Website | https://sw.kovidgoyal.net/kitty/ | https://ratty-term.org |
| Language | python | rust |
| Date Created | January 7, 2017 | May 10, 2026 |
| Platform | macos bsd linux | macos linux |
| File Size | ~15.0 MB | ~47.0 MB |
| Image / Terminal Graphics Protocol Support | Yes | Yes |
| Sixel Support | No | No |
| GPU Acceleration | Yes | Yes |
| True Color (24-bit) | Yes | Yes |
| Font Ligatures | Yes | Yes |
| Tabs | Yes | No |
| Split Panes | Yes | No |
| OSC 52 Clipboard | Yes | Yes |
| OSC 8 Hyperlinks | Yes | Yes |
| Unicode Support | Yes | Yes |
| Notifications | Yes | No |
| Kitty Graphics Protocol | Yes | Yes |
| iTerm2 Inline Images | No | Yes |
| 3D Mode | No | Yes |
| Inline 3D Support | No | Yes |
| Ratty Graphics Protocol | No | Yes |
| Glyph Protocol | No | No |
| Kitty Keyboard Protocol | Yes | Yes |
| Synchronized Output | Yes | No |
| Styled Underlines | Yes | Yes |
| Shell Integration | Yes | No |
| Drop-down Mode | Yes | No |
| Built-in Multiplexer | Yes | No |
| Config Format | conf | — |
| Source Code Availability | Open Source (GPL-3) | Open Source (MIT) |
| Source Code | https://github.com/kovidgoyal/kitty/ | https://github.com/orhun/ratty |
| Development State | active | active |
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