Braintrust
Evals and observability platform for AI products.
Updated
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About Braintrust
Braintrust is listed in our evals & observability category and is aimed at builders. Evals and observability platform for AI products. Pricing, as the maker states it: Free tier + paid plans. Maturity: Mature. We last checked the official link on 2026-10-14.
What is Braintrust?
Braintrust is an AI observability platform for tracing production, running evals and catching regressions before they reach users.
Sources: the official site and our directory listing, checked 2026-10-18. Official site: braintrust.dev.
Who is Braintrust for?
Teams shipping AI products who need evals and monitoring.
Key features
- Production tracing
- Evals
- Regression detection
Braintrust pricing
- Starter: $0/mo · $10 credits, 1 GB processed data, 10k scores, 14-day retention
- Pro: $249/mo · $100 credits, 5 GB processed data, 50k scores, 30-day retention
- Enterprise: Custom
Overage on processed data and scores is billed per unit.
Source: official pricing page, checked Oct 18, 2026. Prices change; check the source before buying.
Braintrust FAQ
What is Braintrust?
Braintrust is an AI observability platform for tracing production, running evals and catching regressions before they reach users.
Who is Braintrust for?
Teams shipping AI products who need evals and monitoring.
Is Braintrust free?
Yes. Braintrust has a free option (Starter), according to its pricing page (checked Oct 18, 2026).
How much does Braintrust cost?
As of Oct 18, 2026, Braintrust's official pricing page lists: Starter: $0/mo; Pro: $249/mo; Enterprise: Custom. Overage on processed data and scores is billed per unit.
What are alternatives to Braintrust?
Similar tools include Helicone, Respan, Arize AI, Confident AI, Pezzo and Coval.
Braintrust ratings and reviews
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Braintrust alternatives
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Respan
Observability and evaluation platform for LLM apps and agents.
Arize AI
Agent observability and evaluation platform with tracing, evals and experiments for improving AI agents.
Confident AI
Enterprise platform for AI evals and observability that gives teams one standard for measuring and monitoring AI quality.
Pezzo
Cloud-native LLMOps platform for prompt design, versioning, delivery, observability and cost monitoring.
Coval
Testing and evaluation platform for voice agents, with simulations, production evals and human QA.
Related lists
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