Braintrust is a full-stack AI evaluation platform — run evals, manage prompts, log traces, and A/B test models in production. Used by Stripe, Slack, and Figma to build reliable AI features. The gold standard for LLM quality assurance.
How Braintrust compares with its closest alternatives
4 of the 5 closest alternatives have a free plan, as Braintrust does. Among the 2 that list a starting price, the cheapest is Datadog at $15 a month and the median is $19. All 5 offer an API, as Braintrust does. Braintrust offers a web app. Of the alternatives, all 5 offer a web app. Braintrust was founded in 2023; the alternatives were founded between 2010 and 2023, 4 of them earlier. Braintrust is based in San Francisco, United States; all the 4 alternatives with a known headquarters are in the United States too.
Market position · Coding
How Braintrust compares in Coding
Braintrust has moderate opportunity and sits in the bottom third of 501 live Coding tools on FalcoScan. Across Coding, the average opportunity score is 60.4 and the average saturation score 44.4. FalcoScan rates Braintrust's own market position as contested. 154 of the 501 operating Coding tools have hot momentum, and FalcoScan has recorded 16 shutdowns in the category.
Braintrust compared with its closest alternatives
Product
Opportunity
Saturation
Pricing
Pricing from
Free plan
API
Platforms
Momentum
BraintrustFounded 2023 · San Francisco, United States
Moderate
Contested
Freemium
—
Yes
Yes
Web, API
Rising
LangfuseFounded 2023 · San Francisco, United States
The closest alternatives to Braintrust that are still running, matched on the AI capabilities, uses and audience they share, are Langfuse, Datadog, Honeycomb, Temporal, and Auth0.
Is Braintrust still running?
Yes. As of 2 November 2026, FalcoScan lists Braintrust as operating at braintrust.dev.
Where is Braintrust based?
Braintrust is headquartered in San Francisco, United States.
Does Braintrust have an API?
Yes. Braintrust offers an API.
Who is Braintrust for?
Braintrust is built for developers and enterprises.
How do I sign in to Braintrust?
Sign in on Braintrust's own website, braintrust.dev. FalcoScan reviews Braintrust but does not run its accounts, so logins, passwords and billing are handled by Braintrust directly.