What Is Neovim and How Does It Differ From Vim?

Neovim is a refactored, community-driven fork of Vim that keeps modal editing and Vim's keybindings while adding built-in LSP support, Lua scripting, async plugin architecture, and more modern defaults. If you already know Vim, your muscle memory transfers directly; if you're starting fresh, Neovim is the version most new users pick because its ecosystem is more active. The catch: Neovim ships unopinionated, so most people pair it with a configuration or distribution like AstroNvim to get a usable editor quickly.

The short version

• Same editing model. Modes, motions, operators, and : commands work as they do in Vim. hjkl, ciw, :%s/old/new/g — all still valid.
• Different internals. Neovim is a fork, not a plugin. It reorganized Vim's codebase to make async work and external tooling practical.
• Different defaults. Neovim enables features that Vim leaves off or requires plugins for.
• Different ecosystem. Lua is the first-class configuration language, and most new plugins target Neovim first.

Key differences

Built-in LSP client

Vim has no native Language Server Protocol client. Neovim includes one, so code completion, go-to-definition, diagnostics, and refactoring work through language servers without a third-party plugin layer. You still need to install the servers themselves and wire them up, but the protocol handling is part of the editor.

Lua scripting

Vimscript still works in Neovim, but Lua is the recommended configuration language. Lua is faster to execute, easier to read, and can call into Neovim's API directly. This is why so much modern plugin development happens in Lua first.

Async plugin architecture

Neovim's job control and API allow plugins to run work in the background without blocking the UI. In practice this means things like fuzzy finding, git integration, and LSP requests feel responsive on large projects, where synchronous Vim plugins can stall.

Modern defaults

Neovim turns on sensible defaults that Vim users historically added by hand — things like termguicolors, incremental search behavior, and a default vimrc location that follows XDG conventions. You spend less time on boilerplate.

Treesitter and the plugin ecosystem

Neovim's built-in Treesitter integration gives plugins access to a real syntax tree rather than regex-based highlighting. Combined with a larger pool of active plugin authors, this is the main reason new features tend to land in Neovim first.

What Neovim does not give you

Neovim is deliberately unopinionated. A fresh install is a capable text editor, not an IDE. There is no file tree, no statusline theme, no autocompletion UI, and no language support until you add it. That's a feature for people who want to build their own setup, and a friction point for everyone else.

This is where distributions come in. AstroNvim, for example, describes itself as "an aesthetically pleasing and feature-rich Neovim configuration that focuses on extensibility and usability." It bundles a UI, plugin management, and automatic tool setup through Mason so you can install language servers, linters, and formatters without writing configuration code. Its stated goal is to sit between "powerful out of the box but hard to customize" and "easy to customize but minimal out of the box."

Worth noting: AstroNvim doesn't ship direct support for any specific language by default. It provides the base, and AstroCommunity — a community-maintained plugin repository — offers 40+ language packs you can add.

How to try it

1. Install Neovim. Use your system package manager or a prebuilt release. Verify with nvim --version.
2. Run it. Type nvim in a terminal. You'll get a bare editor.
3. Learn the basics interactively. Inside Neovim, run :Tutor. This opens a guided lesson covering motions, operators, and modes — the same tutorial Vim ships.
4. Decide on configuration. Either write your own init.lua, or install a distribution. AstroNvim's getting-started guide walks through setting up its user template, after which you can customize from there.

If you already use Vim daily, step 3 is optional — open a file and start editing. The differences you'll notice first are the Lua config path and the presence of vim.lsp in the API.

Choosing between them

Stay on Vim if you have a working configuration you don't want to migrate, you depend on a Vim-only plugin, or you're on a system where you can't install Neovim.

Move to Neovim if you want built-in LSP, prefer Lua over Vimscript, or want access to the plugins being actively developed today. If you want a working IDE-like setup without assembling it yourself, a distribution like AstroNvim is the fastest route — just understand that you're adopting someone else's opinions, and you'll customize by overriding them rather than starting from a blank file.