Most editors are web pages in disguise — Electron shells where typing latency and boot time are taxed by a browser runtime. Zed throws that model out: its team built it like a video game, organizing the whole app around feeding data to GPU shaders through a custom Rust UI framework (GPUI). The payoff is felt, not marketed — sub-millisecond input latency on hardware where VS Code stutters.
What Sets It Apart
- Rendering as a game, not a document — GPUI drives the UI on the GPU rather than a DOM, so multibuffer editing, large files, and rapid scrolling stay smooth where Electron-based editors choke.
- Agentic coding as a first-class protocol — agents run over the open Agent Client Protocol, so models from Anthropic, OpenAI, and others plug in natively instead of through bolted-on extensions; you delegate work, watch progress live, and review diffs.
- Multiplayer is in the core, not a plugin — the same founders built Atom's Teletype, and real-time co-editing, screen sharing, and shared projects are designed into the editor, not added later.
- Open edit prediction — its next-edit model is open-source, a notable stance in a field of closed autocomplete services.
Who It's For
Great fit if you want a fast, native editor that treats AI agents and live collaboration as built-in primitives, and you value an open, protocol-driven approach over a single locked-in assistant. Look elsewhere if you depend on the vast VS Code extension marketplace, need mature Windows support, or work primarily in heavy IDE-style ecosystems (large Java/.NET projects) where JetBrains tooling is more complete.