AI Governance Safety & Evaluation Freemium

Braintrust

AI evaluation, observability, and prompt experimentation for production agent teams

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PricingFreemium
Starting price$249/mo
Free planYes
Free trialNo
APIYes
Open sourceNo
DeploymentHybrid
Last verifiedAugust 3, 2026
Overview

Tool overview

Braintrust is listed under AI Governance Safety & Evaluation AI tools.

Summary

What is Braintrust?

Braintrust is an AI engineering platform for tracing, evaluation, datasets, prompt experimentation, scoring, and production observability. It provides a free Starter plan, a $249 monthly Pro plan, APIs and SDKs, and enterprise hosted or self-hosted deployment options.

Best fit

Best for

AI teams unifying evaluation, prompt iteration, and production observability

Audience

Who is it for?

AI application engineersEvaluation and quality teamsProduct teams shipping agentsEnterprises requiring private observability deployment
Recommendation

Decision note

Best for AI-native teams that want an integrated path from experiments and evals to production tracing and observability.

Capabilities

Key features

Tracing and production observability for AI applications

Evaluation datasets, experiments, scorers, and playgrounds

Prompt and model comparison with regression analysis

Hosted or self-hosted enterprise deployment

Workflows

Use cases

Evaluate agents before release

Monitor production traces and quality

Compare prompts, models, and scoring methods

Create repeatable datasets and regression tests

Strengths

Pros

  • Starter plan is free without a credit card
  • Pro platform fee is published at $249 monthly
  • Enterprise supports hosted or self-hosted deployment
Considerations

Limitations

Evaluation quality depends on representative datasets, suitable scorers, and review processes. Usage costs can grow with processed data, scores, retention, model calls, and enterprise requirements.

Cost

Pricing details

Pricing modelFreemium
Starting price$249/mo
Free planYes
Free trialNo
Pricing context

Billing options

Free Starter platform feeMonthly Pro subscriptionUsage-based overagesCustom Enterprise pricing
Pricing context

Pricing note

Starter has a $0 platform fee with included credits and usage limits. Pro costs $249 per month, and Enterprise uses custom pricing. Additional processed-data, score, storage, and model usage charges may apply.

View official pricing
Compatibility

Supported languages

  • English
Connectivity

Integrations

OpenAI

Anthropic

OpenTelemetry

AI agent frameworks

Custom data stores

Specs

Technical details

PlatformsWeb
Multilingual supportYes
Login requiredYes
Open sourceNo
LicenseProprietary commercial platform with separately licensed SDKs
DeploymentHybrid
CompanyBraintrust Data, Inc.
Current versionCloud service with continuous updates; see official changelog.
Models / versionsNot tied to one model version works with applications using multiple LLM providers and models.
Editions / plansStarter Pro Enterprise Braintrust for Startups
Data confidenceHigh
Last verifiedAugust 3, 2026
Documentation → Data source →
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Answers

Frequently asked questions

Braintrust is an AI engineering platform for tracing, evaluation, datasets, prompt experimentation, scoring, and production observability. It provides a free Starter plan, a $249 monthly Pro plan, APIs and SDKs, and enterprise hosted or self-hosted deployment options.
AI teams unifying evaluation, prompt iteration, and production observability
The listed pricing model for Braintrust is freemium. Pricing can change, so users should verify the latest plan details on the official website.
The current profile does not indicate an available free trial. Check the official website before purchasing.
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