Start building for free

Our mission is to enable developers to 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
  • 1000 rows/week
  • Prompt playground
  • Custom scorers and tools
  • Unlimited public experiments
  • Up to 5 users
  • Discord community
Get started

Enterprise

Let's chat
  • Unlimited private experiments
  • Unlimited logs
  • Unlimited users
  • On-prem / private VPC
  • Private Slack channel
Usage-based pricing coming soon. For more information, please get in touch.
Try for free

Open source and .edu

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