Start building for free

Our mission is to enable developers to build LLM products that work. Builders can get started with Braintrust for free. We provide the full platform for free to academic and non-commercial open-source projects.

Builder

$0 / month
  • 1,000 spans / week
  • Prompt playground
  • Custom scorers and tools
  • Shareable experiments
  • Up to 5 users
  • Discord community
Get started

Enterprise

Let’s chat
  • Increased usage limits
  • Flexible pricing
  • On-prem / private VPC
  • Shared Slack channel
Self-serve pricing coming soon. For more information, please get in touch.
Try for free

Open source and .edu

$0 / month
  • Everything in Builder
  • Unlimited users
Sign up with a .edu email address or contact us about an open source project for free access.
Get started
Get started