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Software Development · head to head

Amp vs LangSmith

A

Amp

Software Development

Amp is the frontier agent

From
$20/monthly
Rated
-
Full reviewWebsite
LangSmith logo

LangSmith

Software Development

Know what your agents are really doing

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only LangSmith has a free tier, so it costs nothing to try first.
  • Each has a real cost: Amp minimum $20/month subscription cost with limited orb hours (750); LangSmith usage-based pricing applies beyond included traces; LCU charges at $1.50/LCU and LSU at $1.00/LSU
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Amp and LangSmith actually diverge.

Attributes where Amp and LangSmith differ
AttributeAmpLangSmith
Starting price$20/monthlyFree
Pricing modelsubscriptionfreemium
Free tierNoYes

Identical on both: platforms (Web), user rating (Not yet rated), category (Software Development).

What people use each for

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

Amp

  • Building and running parallel AI agents for automationnot LangSmith
  • Accessing multiple AI models via single subscriptionnot LangSmith
  • Developing AI applications with flexible compute modelsnot LangSmith
  • Running high-capacity agent workloads in ultra modenot LangSmith

LangSmith

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

Where each one falls short

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

Amp

  • Minimum $20/month subscription cost with limited orb hours (750)
  • High-tier Gigawatt plan at $200/month required for ultra mode agents
  • Usage limits apply after included quotas are consumed each month
  • Each user limited to maximum of 2 simultaneous subscriptions

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

Pricing, plan by plan

Amp

$20/monthly
  • Megawatt$20/monthly
    • All product features
    • 750 hours of orbs
    • Use your ChatGPT subscription
  • Gigawatt$200/monthly
    • Everything in Megawatt plus: 1
    • 000 hours of xxlarge orbs
    • $200 included agent usage
  • Education Discount$10/monthly
    • For students and teachers: full access at $10/month (50% off Megawatt)
  • Unconstrained$undefined/usage
    • Pay for what you use at standard rates
    • all agent modes
    • API pricing for model tokens and orbs

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

Which should you pick?

Choose Amp if

Nothing in the data separates Amp from LangSmith on the points above - pick on price and on how each one feels to use.

Amp review

Choose LangSmith if

  • You want to start without paying.
LangSmith review

Questions people ask

Is Amp or LangSmith better?
Neither clearly leads. Amp starts at $20/monthly and LangSmith at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Amp or LangSmith?
LangSmith has a free tier; the other does not. Paid plans start at $20/monthly for Amp and Free for LangSmith.
Does Amp or LangSmith run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use LangSmith for free?
Yes. LangSmith has a free tier, so you can try it without paying. Amp starts at $20/monthly.
What is Amp best used for?
Amp is most often used for building and running parallel ai agents for automation, accessing multiple ai models via single subscription, developing ai applications with flexible compute models, running high-capacity agent workloads in ultra mode. Of those, building and running parallel ai agents for automation and accessing multiple ai models via single subscription are not what LangSmith is typically brought in for.

Answered from the vendors’ own pages

Amp: How much does Amp cost per month?

Amp offers two main monthly plans: Megawatt at $20/month (750 hours of orbs) and Gigawatt at $200/month (1,000 hours of xxlarge orbs). Students and teachers get a 50% education discount ($10/month). Source: https://ampcode.com/pricing

Source
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
Amp: What usage is included in Amp subscriptions?

At minimum, Amp subscriptions include agent usage equal to the subscription cost per month. Depending on usage patterns, you may receive additional usage beyond the base guarantee. Megawatt includes 750 orb hours and Gigawatt includes 1,000 hours of xxlarge orbs.

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
Amp: Can I use my own ChatGPT subscription with Amp?

Yes, Amp subscribers who link a ChatGPT subscription pay no per-token fees and can use as many tokens as their third-party subscription allows, making it ideal for users who already have ChatGPT access.

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
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