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LangWatch vs Patronus AI

LangWatch logo
LangWatchAI Observability
From EUR 59 / moPublished price
Patronus AI logo
Patronus AIAI Evaluation and Testing
From $10 / 1,000 evaluationsPublished price
LangWatch logo
LangWatch
AI Observability

Observability and evaluations for AI apps.

Patronus AI logo
Patronus AI
AI Evaluation and Testing

Simulating the World's Intelligence

Overview
CategoryAI ObservabilityAI Evaluation and Testing
What it isLangWatch helps teams monitor prompts, traces, and quality signals across production LLM applications and agent workflows.AI evaluation platform for testing LLM safety, accuracy, and compliance before and during production deployment.
Pricing
Published priceFrom EUR 59 / mo
LangWatch offers free evaluation access and paid observability plans starting at EUR 59 per month.
From $10 / 1,000 evaluations
Free Developer plan ($10 in free API credits, 2 projects, 5 experiments/project, 2-week history). Paid usage-based API starts at $10 per 1,000 small evaluator calls. Enterprise is…
Pricing modelTiered plansTiered plans
Free optionsFree plan · Free trialFree plan · Free trial
Deal on CubbieNone right nowNone right now
Company
Founded20232023
Team size1-10 employees11-50 employees
HeadquartersAmsterdam, NetherlandsSan Francisco, CA

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