There’s a fast new code editor in town

A new open-source code editor called Zed is making a bid for developers’ attention by pairing extreme speed with built-in AI assistance—without requiring a subscription to a single vendor. Built in Rust by the team behind the Adam editor, Zed is designed to feel “game-like” in responsiveness, targeting low insertion latency, fast startup, and a smaller memory footprint than competing editors. It achieves performance by leveraging all CPU cores and also using the GPU through its own GPU framework, rasterizing the entire window to deliver smooth 120 frames per second.

Beyond raw speed, Zed’s differentiator is AI integration out of the box. It supports GitHub Copilot, but it also lets users bring their own OpenAI API key to chat about code directly inside the editor. That approach shifts costs from a fixed editor subscription to usage-based pricing tied to token consumption. Developers can also select a code block and ask the AI to refactor it, with rewritten code appearing immediately in the workspace. For teams, Zed adds real-time collaboration on the same code base, and the company has already raised $10 million, signaling intent to build a broader product line—possibly including paid features for collaboration.

The broader context is a market racing to combine coding tools with AI. Microsoft’s VS Code remains a dominant editor, while other AI-enabled editors—like Cursor and JetBrains AI—are also competing for mindshare. At the same time, there’s skepticism that AI will replace programmers any time soon; complaints about ChatGPT’s coding performance and the long history of overhyped tech timelines have kept expectations grounded. In that environment, Zed positions itself less as a replacement for developers and more as a faster, AI-augmented workflow.

Still, Zed has clear constraints that limit its immediate reach. The editor is not extensible today, meaning missing features can’t be patched via plugins; the team plans a plugin API in the future, but it’s expected to be Rust-based and likely smaller in ecosystem scale than the JavaScript plugin model that powers VS Code. The biggest practical limitation is platform availability: Zed is currently available only on macOS, with Linux and Windows support planned once the team can justify a viable business model.

For now, Zed looks like a clean, minimal editor with strong performance and a frictionless path to AI-assisted refactoring. Whether it becomes a true VS Code challenger depends on two things: expanding beyond macOS and building an ecosystem—especially extensibility—that developers can rely on as their workflows evolve. If programming remains a human-led activity in the near term, Zed’s combination of speed and AI could make it a serious contender.