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Software Development · head to head

LangSmith vs Zed

LangSmith logo

LangSmith

Software Development

Know what your agents are really doing

From
Free
Rated
-
Full reviewWebsite
Zed logo

Zed

Software Development

Code at the speed of thought

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: LangSmith usage-based pricing applies beyond included traces; LCU charges at $1.50/LCU and LSU at $1.00/LSU; Zed newer product with smaller ecosystem than established editors
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which LangSmith and Zed actually diverge.

Attributes where LangSmith and Zed differ
AttributeLangSmithZed
PlatformsWebmacOS, Linux, Windows
FoundedUnknown2023

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated), category (Software Development).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in LangSmith

Nothing recorded that Zed does not also cover.

Only in Zed

  • Real-time collaboration
  • AI code completion
  • Lightning-fast performance
  • Rust-based architecture
  • Multi-language support
  • Integrated terminal
  • Git integration
  • Vim keybindings

What people use each for

The jobs each tool is most often brought in to do.

LangSmith

  • Tracing agent execution step-by-step in productionnot Zed
  • Detecting agent failures affecting latency and costnot Zed
  • Monitoring token usage and latency percentilesnot Zed
  • Clustering traces to identify failure modesnot Zed
  • Self-hosting traces within VPC for data residencynot Zed

Zed

  • Collaborative codingnot LangSmith
  • High-performance editingnot LangSmith
  • Real-time pair programmingnot LangSmith
  • Systems programmingnot LangSmith
  • Web developmentnot LangSmith

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

LangSmith

  • Usage-based pricing applies beyond included traces; LCU charges at $1.50/LCU and LSU at $1.00/LSU
  • Free tier limited to 1 seat and 5,000 traces per month

Zed

  • Newer product with smaller ecosystem than established editors
  • Limited extensions and plugin marketplace compared to VSCode or Sublime Text

Pricing, plan by plan

LangSmith

Free
  • DeveloperFree
    • 1 seat maximum
    • 5,000 base traces monthly
  • Plus$39/month
    • Unlimited seats
    • 10,000 base traces monthly
    • 1 free small serverless deployment
  • Enterprise$null/mo
    • Custom pricing
    • Self-hosted and hybrid options
    • Custom SSO, ABAC, RBAC

Zed

Free
  • FreeFree
    • Single-player editing
    • Local AI assistance
    • Fast performance
  • Plus$10/month
    • Multiplayer collaboration
    • Cloud AI assistance
    • Advanced features

Which should you pick?

Choose LangSmith if

  • You want to start without paying.
LangSmith review

Choose Zed if

  • You need real-time collaboration.
  • You want to start without paying.
  • You work on macOS, Linux, Windows.
  • You also want ai code completion.
Zed review

Questions people ask

Is LangSmith or Zed better?
Neither clearly leads. LangSmith starts at Free and Zed at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, LangSmith or Zed?
LangSmith starts at Free and Zed at Free.
Does LangSmith or Zed run on more platforms?
LangSmith runs on Web. Zed runs on macOS, Linux, Windows.
Can I use LangSmith for free?
Both have a free tier, so you can try either at no cost before committing.
What is LangSmith best used for?
LangSmith is most often used for tracing agent execution step-by-step in production, detecting agent failures affecting latency and cost, monitoring token usage and latency percentiles, clustering traces to identify failure modes. Of those, tracing agent execution step-by-step in production and detecting agent failures affecting latency and cost are not what Zed is typically brought in for.
What can LangSmith do that Zed cannot?
Zed covers Real-time collaboration, AI code completion, Lightning-fast performance, Rust-based architecture.

Answered from the vendors’ own pages

LangSmith: What does LangSmith cost?

LangSmith Developer plan is free with up to 5,000 base traces monthly. Plus plan costs $39/month per seat with 10,000 base traces included. Enterprise pricing is custom.

Source
Zed: What platforms does Zed support?

Zed is available for macOS, Linux, and Windows, providing cross-platform support for developers.

Source
LangSmith: How does LangSmith usage-based pricing work?

Beyond included traces, LangSmith charges $1.50 per LCU (LangChain Compute Unit) for computational work and $1.00 per LSU (LangChain Storage Unit) for data storage.

Source
Zed: Is Zed free to use?

Yes. Zed is open-source software available free to download and use. The editor and GPUI framework are available under open-source licenses (GPL for editor, Apache/MIT for GPUI).

Source
LangSmith: Is there a free tier for LangSmith?

Yes, the Developer plan is free with limits on seat count (1 seat maximum) and trace volume (5,000 base traces per month).

Source
Zed: What makes Zed fast compared to other editors?

Zed is written in Rust and uses GPU-accelerated rendering to achieve startup times under 500ms and keystroke latency below 2ms.

Source
Zed: Does Zed support real-time collaboration?

Yes. Zed provides real-time collaborative editing and screen sharing capabilities, enabling multiple developers to work on the same code simultaneously.

Source
Zed: What AI models does Zed support?

Zed supports multiple AI models and agents for agentic editing, enabling human-AI collaboration during development.

Source
Zed: When was Zed 1.0 released?

Zed 1.0 was officially released on April 29, 2026, marking the stable production release.

Source
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