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Software · head to head

Braintrust vs Buildkite

B

Braintrust

Software

The active observability platform for agents

From
On request
Rated
-
Full reviewWebsite
Buildkite logo

Buildkite

Software

CI/CD pipelines that run on your own compute

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Buildkite has a free tier, so it costs nothing to try first.
  • Each has a real cost: Braintrust the free Starter tier includes only $10 of monthly model credits, 1 GB of processed data, and 10,000 scores before overage charges of $4 per GB and $2.50 per 1,000 scores apply, as of August 2026.; Buildkite free plan caps at 5 users and 10 concurrent jobs, with 2,000 Linux vCPU minutes per month and 30 day build retention

Where they differ

Only the attributes on which Braintrust and Buildkite actually diverge.

Attributes where Braintrust and Buildkite differ
AttributeBraintrustBuildkite
Starting priceOn requestFree
Pricing modelusage-basedfreemium
Free tierNoYes

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

Where each one falls short

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

Braintrust

  • The free Starter tier includes only $10 of monthly model credits, 1 GB of processed data, and 10,000 scores before overage charges of $4 per GB and $2.50 per 1,000 scores apply, as of August 2026.

Buildkite

  • Free plan caps at 5 users and 10 concurrent jobs, with 2,000 Linux vCPU minutes per month and 30 day build retention
  • Pro plan is $30 per active user per month, capped at 50 users, with only 10 of the up to 250 concurrent agents included before extra usage
  • Enterprise plan enforces a 30 user minimum even though pricing itself is custom
  • Hosted compute beyond included minutes is metered at $0.004 per vCPU minute on Linux and $0.02 per vCPU minute on Mac

Pricing, plan by plan

Braintrust

On request

No published plan breakdown. See the Braintrust review.

Buildkite

Free

No published plan breakdown. See the Buildkite review.

Which should you pick?

Choose Braintrust if

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

Braintrust review

Choose Buildkite if

  • You want to start without paying.
Buildkite review

Questions people ask

Is Braintrust or Buildkite better?
Neither clearly leads. Braintrust starts at On request and Buildkite at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Braintrust or Buildkite?
Buildkite has a free tier; the other does not. Paid plans start at On request for Braintrust and Free for Buildkite.
Does Braintrust or Buildkite run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Buildkite for free?
Yes. Buildkite has a free tier, so you can try it without paying. Braintrust starts at On request.
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Related pages

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