Braintrust
7.7#3 in llm evaluation toolsFrom $249 a monthFree planWebAPISelf-hosted
VisitBraintrust vs Promptfoo
What both publish
| Fact | Braintrust | Promptfoo |
|---|---|---|
| Company size | LinkedIn lists Braintrust as a privately held software-development company with 51–200 employees. | LinkedIn lists Promptfoo as a privately held software-development company with 11–50 employees. |
| Deployment | Braintrust offers SaaS, bring-your-own-cloud and self-hosted deployment models. | The Community plan can run locally or be self-hosted, while Enterprise includes managed cloud deployment and On-Premise supports deployment on the customer’s infrastructure. |
| Documentation depth | The documentation is organized into guides, integrations, SDKs, API reference, cookbook, troubleshooting, changelog and administration sections. | The documentation includes installation, evaluations, assertions, runtime, red teaming, providers, integrations, code scanning, model audit, enterprise, API references, and release notes. |
| Evaluations | Teams can run experiments against datasets and score outputs with language models, code or human reviewers. | Promptfoo evaluates prompts across multiple models and opens a web view for comparing outputs. |
| Founded | LinkedIn lists Braintrust's founding year as 2023. | 2024 |
| Headquarters | LinkedIn lists San Francisco as Braintrust's headquarters. | Promptfoo identifies San Francisco, California as its base and headquarters. |
| Integrations | Braintrust describes its product as framework agnostic and lists native SDKs for Python, TypeScript, Go, Ruby, C#, and more. | Documented integrations include LangChain, LangGraph, CrewAI, MCP, Splunk, Burp Suite, GitHub Actions, GitLab, Jenkins, CircleCI, Azure Pipelines, and Bitbucket Pipelines. |
| Product | Braintrust describes itself as an active observability platform for AI agents that helps teams inspect production behavior and improve agent quality. | Promptfoo helps developers and enterprises build secure, reliable AI applications. |
| Rating on G2 | 4.3 out of 5 from 58 reviews | 0 out of 5 from 0 reviews. |
| Security | Braintrust states that it is SOC 2 Type II certified and GDPR and HIPAA compliant, and offers SSO, RBAC, and hybrid deployment options. | The site displays SOC 2 and ISO 27001 certification badges. |
Braintrust plans
- StarterFree
- Pro$249 a month
- EnterprisePriced on request
Promptfoo plans
- CommunityFree
- EnterprisePriced on request
- On-PremisePriced on request
Pick Braintrust if…
Braintrust is for teams running AI agents in production, from early-stage projects to enterprise operations. It suits teams that need to examine traces, evaluate outputs, and refine prompts or models.
Pick Promptfoo if…
Promptfoo suits developers and enterprise teams evaluating prompts, model outputs, and AI application risks. Its local and self-hosted options may appeal to teams that want to run the Community plan on their own infrastructure.