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LangWatch vs Relari

LangWatch logo
LangWatchAI Observability
From EUR 59 / moPublished price
Relari logo
RelariAI Evaluation and Testing
CustomPublished price
LangWatch logo
LangWatch
AI Observability

Observability and evaluations for AI apps.

Relari logo
Relari
AI Evaluation and Testing

Designing Intelligence with Intent

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 and testing platform for LLM applications with synthetic data generation.
Pricing
Published priceFrom EUR 59 / mo
LangWatch offers free evaluation access and paid observability plans starting at EUR 59 per month.
Custom
No public pricing on the site; contact sales. An open-source evaluation package (continuous-eval) is freely available on GitHub; the cloud testing/agent-building platform (Nuvi, A…
Pricing modelTiered plansCustom quote
Free optionsFree plan · Free trialFree plan · No 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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