Braintrust
Ship quality agents at scale. Braintrust is the AI observability platform for tracing production, running evals, and catching regressions before they reach user
Our verdict
Braintrust positions itself as ship quality agents at scale. Braintrust is the AI observability platform for tracing production, running evals, and catching regressions before they reach user. There is a free tier, and 4 paid plans are published openly. Developer documentation and a public changelog are both maintained, which is a good sign for anything you intend to build on. We have not verified the prices by hand, so we do not quote them here. Everything above was checked on 2026-09-15.
Reviewed by AI Review Rating desk review How we score
Pricing
Read automatically from braintrust.dev. Prices change; the vendor’s page is authoritative.
| Tier | Monthly | Includes | Seats |
|---|---|---|---|
| Starter | Free | ||
| + tok rates | $4 | ||
| Pro | $249 | ||
| + tok rates | $100 |
User reviews
No one has reviewed Braintrust here yet. Reviews are moderated before they appear, and our own score is editorial and separate from user ratings, though once reviews land they do lift it.
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Side by side
| Tool | Our score | From | Free tier | Best for | |
|---|---|---|---|---|---|
| Braintrust this page | 5.5 | $4 | Yes | ||
| 🥇Netdata | 7.6 | - | Yes | ||
| 🥈Vector | 7 | - | Yes | ||
| 🥉WorldMonitor | 6.9 | - | Yes | ||
| MLflow | 6.7 | - | Yes | ||
| Artificial Analysis | 4.5 | - | - | ||
| Ayewatch | 3.5 | $9 | - |
Questions
Is Braintrust free?
Yes. Braintrust advertises a free tier on its own site.
How much does Braintrust cost?
Braintrust publishes pricing on its own site, listing 4 plans. We deliberately do not republish prices we have not verified by hand, because automated price extraction proved unreliable enough to mislead. Use the link on this page for current figures.
Does Braintrust have an API or developer docs?
Yes, Braintrust publishes developer documentation.
How is Braintrust scored here?
Braintrust scores 5.5 out of 10. That comes from a desk review of public evidence, which is capped at 8.5 out of 10: public pricing, documentation, maintenance signals and how much we could actually verify. Affiliate relationships are excluded from scoring entirely. The full rubric is published on our methodology page.