tokens&
BrowseFor enterprises
Submit an offer
tokens&

Find tools, check provider offers, save a build plan, and share your work when you’re ready.

For buildersFor enterprises

For builders

  • Product launches
  • Builder projects
  • Startup credits and perks
  • Agent Skills
  • Published agents
  • API and agent docs
  • Publish a project

For enterprises

  • Start free company workspace
  • Submit a tool, product, or perk

Community

  • Community
  • Newsletter
  • Events
Xin

© 2026 tokensand, LLC. All rights reserved.

  • Terms
  • Privacy
  • Security
  • Data Processing
  • Status
  1. Home
  2. Tools
  3. Observability
  4. Braintrust
Braintrust logo

Braintrust

Observability · Freemium

AI observability and evals platform for tracing production systems, running experiments, and catching regressions.

Visit websiteDocs

Related tools

Explore products with related capabilities. Check their details for your use case.

Browse the category
Phoenix logo
Phoenix

Observability· arize.com

Open source

Open source AI observability and evaluation platform for tracing LLM applications, running evals, and debugging agent behavior with OpenTelemetry.

Evaluate for your team
Is this your company?Verify ownership · Add products · See activity
OverviewProduct evaluationBuild examplesResources

Product evaluation

Review Braintrust for your team’s requirements before a technical pilot.

Commercial model

Freemium

View vendor website

Listed pricing category. Confirm current rates, limits and enterprise contract terms with the vendor.

Implementation

API listed

DocumentationSource repository

Validate integration, deployment and operational requirements in your own environment.

Enterprise review

Security, data handling, support and contract terms require vendor confirmation. Linked sources do not establish certification or approval.

Built with Braintrust

Projects that list this product. Use is self-reported.

Publish your build
Popper

Popper helps developers verify AI-generated fixes by turning every pull request’s claim into adversarial tests and running them against the code before and after the change

Nithin AruswamyPublic referenceJudging lockedEvent-linked buildSource: https://luma.com/swarmhackSubmissions are locked for judging after the event close.
Open

Resources

Documentation and setup for builders and coding agents.

Official WebsiteDocumentationGitHub
Setup & agents

Quickstart

Preparing Braintrust docs pack
Streaming

The product profile is ready. Official docs, README snippets, and the AI paste pack are loading in the background.

Follow, compare & product details

Community support for Braintrust. Votes do not verify product usage.

Add projectEmbed badgeFor companies
12,113
1,258
Open source
Future AGI logo
Future AGI

Observability· futureagi.com

Freemium

Open-source agent engineering platform that combines evaluations, observability, experiments, and guardrails so teams can ship and improve production AI agents faster.

2,241
705
Open source
Langfuse logo
Langfuse

Observability· langfuse.com

Freemium

Open-source LLM engineering platform for tracing, evals, prompt management, and metrics so teams can debug and improve production AI applications.

36,853
4,140
Open source
Pydantic Logfire logo
Pydantic Logfire

Observability· logfire-us.pydantic.dev

Freemium

Observability platform for production Python, LLM, and agent systems from the Pydantic team.

4,537
356
Open source
Start building with Braintrust
TypeScript

Detected in linked setup sources

npm
npm install braintrust autoevals
Docs:Official DocsGitHubWebsite