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Braintrust vs PromptLayer

Braintrust logo
BraintrustAI Evaluation and Testing
$249/monthPublished price
PromptLayer logo
PromptLayerPrompt Engineering Tools
From $50 / seat / moPublished price
Braintrust logo
Braintrust
AI Evaluation and Testing

Evaluate and improve AI products.

PromptLayer logo
PromptLayer
Prompt Engineering Tools

Prompt engineering, evals, and observability for production AI.

Overview
CategoryAI Evaluation and TestingPrompt Engineering Tools
What it isBraintrust is an AI evaluation platform for testing prompts, models, and application behavior with production-like datasets and scoring workflows.PromptLayer is a platform for prompt management, AI observability, evaluation workflows, and release control across LLM apps and agent systems.
Pricing
Published price$249/month
Braintrust publishes Starter at $0 with included usage and Pro at $249/month. Usage pricing is also public: processed data overages start at $4/GB on Starter and $3/GB on Pro, sco…
From $50 / seat / mo
Free tier ($0) with up to ~5,000 requests and 7-day log retention. Pro is $50/user/mo with unlimited log retention and advanced features. Enterprise is custom-quoted, adding SSO/R…
Pricing modelTiered plansTiered plans
Free optionsFree plan · Free trialFree plan · No free trial
Deal on CubbieNone right nowNone right now
Company
Founded20232021
Team size51-200 employeesNot available
HeadquartersSan Francisco, CANew York City, NY

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