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Braintrust

FeaturedFree tier

Observability and evals for shipping quality AI agents at scale

Best for evals · observability · agents

4.7
Toolora score — editorial, not public reviews
Toolora score90/100

Strengths

  • Agent traces
  • Evals and scoring

Skip if

you need a team plan, audit logs, or a phone number to call

Braintrust is an eval desk for agents. Log traces, score outputs, and block bad releases — production patterns into tests, not a guess from the server log.

Key features

  • Agent traces
  • Evals and scoring
  • Quality gates
  • Python and TypeScript SDKs

Why it is on Toolora

We list Braintrust for people who need evals · observability · agents. Skip it if you need a team plan, audit logs, or a phone number to call.

Closest alternatives on Toolora: Langfuse, Helicone, Dify.

Try instead

Compare
FeaturedFree tier

Langfuse

Trace LLM calls, prompts, and evals so you can see what the agent actually did

AI Tools
4.7

Also built for evals.

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Helicone

AI gateway and observability to route, debug, and analyze LLM apps

AI Tools
4.7

Also built for observability.

VerifiedOpen source

Dify

★ 110k

Open-source platform for LLM apps and agents

AI Tools
4.6

Open-source option with 110k GitHub stars.

Braintrust

Free

Get it here