Skip to content
freetier.wiki

LangWatch

LangWatch provides observability and monitoring for LLM applications with prompt tracking, analytics, and debugging tools. · LangWatch · Observability

Overview

LangWatch offers a free-forever Developer plan for LLM observability, with 50,000 events a month and 14 days of data access, and no credit card required.

Good fit

Use LangWatch when you need to monitor, debug, or analyze prompt usage in LLM-powered applications.

  • LLM app developers
  • AI startups
  • Teams building with OpenAI or similar APIs

Not a fit

Avoid if you do not use LLMs or require observability for non-AI workloads.

  • Not using LLMs
  • Need observability for traditional apps
Quickstart · 5 steps
  1. Sign up for a free LangWatch account.
  2. Create a new project in the dashboard.
  3. Integrate the LangWatch SDK into your LLM application.
  4. Configure prompt tracking and send requests.
  5. View analytics and logs in the LangWatch dashboard.

Other free observability options

Datadog · Observability
Up to 5 hosts (Free plan) · 1-day metric retention (Free plan) · 14-day free trial of Pro/Enterprise features
Billing risk: None
No card
New Relic · Observability
100 GB/month data ingest · Unlimited basic users, 1 full platform user · 500 synthetic checks/month
Billing risk: None
No card
Sentry · Observability
5,000 errors/month · 5 GB logs and metrics/month · 5M spans/month
Billing risk: None
No card
UptimeRobot · Observability
50 monitors · 5-minute check interval
Billing risk: None
No card