Reviewed by the Softwares.com Editorial Team · Last updated June 2026 · How we rate
Key facts
- Vendor
- Braintrust
- Pricing
- Freemium — Free – $249/mo
- Free tier
- Yes
- Platforms
- Web, Api
- Best for
- Developers, Ai Engineers, Enterprise
- Editor rating
- 4.5 / 5
- Founded
- 2023
- Headquarters
- San Francisco, CA, USA
What is Braintrust?
Braintrust is a ai machine learning tool from Braintrust. Braintrust is an end-to-end platform for evaluating, testing, and monitoring AI and LLM applications throughout development.
Braintrust uses freemium pricing and offers a free tier you can start on without a credit card. Free – $249/mo.
It's best suited to developers, ai-engineers, enterprise and runs on Web, Api.
Standout strengths include powerful eval and scoring framework, logging and observability, playground for prompt iteration. Worth weighing: pro tier is pricey for small teams, evaluation requires setup effort.
Braintrust pricing
Pros
- Powerful eval and scoring framework
- Logging and observability
- Playground for prompt iteration
Cons
- Pro tier is pricey for small teams
- Evaluation requires setup effort
Braintrust vs alternatives
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Frequently asked questions
What is Braintrust?
Braintrust is an end-to-end platform for evaluating, testing, and monitoring AI and LLM applications throughout development.
How much does Braintrust cost?
Braintrust is freemium-priced. It has a free tier. Paid plans start at $249/mo.
Does Braintrust have a free trial?
Braintrust offers a free tier rather than a time-limited trial.
What platforms does Braintrust support?
Braintrust is available on Web, Api.