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Kiro vs Zed

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors.

The short answer

Cheaper paid plan
Zed — $10/mo vs $20/mo for Kiro
Free plan
Both have one
Best fit
Kiro: Large existing codebases where a chat assistant loses the thread · Zed: Developers who want a quick native editor with AI agents built in
Platforms
Kiro: Web, macOS, Windows, Linux · Zed: macOS, Windows, Linux
Trust score
About even — Kiro 91, Zed 89

From our own records as of each tool's last check. Anything we have not confirmed is left out rather than guessed. How we verify

KiroAWS's spec-driven agentic dev environment: a prompt becomes requirements, a design and sequenced tasks.ZedRust-built code editor with agentic AI editing, edit predictions and real-time collaboration, free to use with your own keys.

Side by side

FactKiroZed
CategoryAI Code Editors & IDEsAI Code Editors & IDEs
Pricing modelFreemiumFreemium
Starts at$20/mo$10/mo
Trust score91 / 10089 / 100
PlatformsWeb, macOS, Windows, LinuxmacOS, Windows, Linux
CompanyAmazon Web ServicesZed Industries
Launched20252023
Last verifiedSep 6, 2026Oct 2, 2026

What our research says

Kiro

The spec step is the whole argument: forcing a prompt through requirements, design and a task list before code is written gives you a review point that chat-based assistants never offer, and it holds up better on large codebases. Property-based testing and hooks are real additions rather than checkbox features. Credit metering means the advertised tier price is a floor, not a ceiling.

Pros

  • Specs turn a prompt into reviewable requirements, design and ordered tasks
  • Property-based test generation catches cases hand-written unit tests miss
  • Parallel agents work on separate tasks in the same session
  • Hooks run background jobs like test reruns and doc updates automatically
  • Available as IDE, CLI, web and mobile across Mac, Windows and Linux
  • Free tier of 50 credits a month that does not expire

Cons

  • Everything is credit-metered, so heavy agent runs outpace the tier price
  • The free 50 credits are enough to evaluate and little else
  • Top-up credits cost $0.04 each, which adds up quickly at agent scale
  • No public API for driving Kiro from outside its own surfaces
  • The spec workflow is overhead on small, well-understood changes

Zed

A fast, minimal editor for developers who want AI help without leaving a lightweight native app. The free tier is genuinely usable because it accepts your own API keys and external agents, so you only pay Zed if you want its hosted models. If you depend on a large VS Code extension ecosystem, expect gaps.

Pros

  • Written in Rust with GPU rendering, built for low latency
  • Open source under copyleft licences
  • Free plan accepts your own API keys and external agents
  • Native builds for macOS, Linux and Windows

Cons

  • Hosted AI use beyond the included $5 is billed by usage
  • Smaller extension catalog than VS Code
  • Business plan lacks SSO, SAML and SCIM for now

Which one fits

Choose Kiro if you need

  • Large existing codebases where a chat assistant loses the thread
  • Teams that want a reviewable plan before an agent starts editing
  • Developers already inside the AWS account and identity ecosystem

Choose Zed if you need

  • Developers who want a quick native editor with AI agents built in
  • Teams that pair-program and want shared projects and chat inside the editor
  • People who prefer bringing their own model keys over a bundled subscription

Kiro vs Zed: the questions people ask

Is Kiro cheaper than Zed?

On published entry prices, Zed starts lower — $10/mo against $20/mo for Kiro. Entry price is the lowest paid plan as we last verified it; what each plan includes differs.

Does Kiro or Zed have a free tier?

Both: Kiro has a free tier, and Zed has a free tier.

More comparisons

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