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Logging · head to head

Airbrake vs Langwatch

Airbrake logo

Airbrake

Logging

Error Tracking and Performance Monitoring

From
Free
Rated
-
Full reviewWebsite
Langwatch logo

Langwatch

Machine Learning

LLM engineering platform for testing and evaluating AI agents in production

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Airbrake data retention is 30 days on every plan, including the $799 a month Business tier; Langwatch free plan limited to 50k events per month, restricting larger deployments
  • They diverge on capability: Airbrake covers Error tracking, Langwatch covers Agent simulation testing.

Where they differ

Only the attributes on which Airbrake and Langwatch actually diverge.

Attributes where Airbrake and Langwatch differ
AttributeAirbrakeLangwatch
Pricing modelsubscriptionTiered subscription with usage-based overage charges
PlatformsWeb, ApiWeb, Docker, Kubernetes
CategoryLoggingMachine Learning
Founded2008Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Airbrake

  • Error tracking
  • Performance monitoring
  • Deploy tracking
  • Custom notifications
  • API
  • Webhooks
  • REST
  • Web support

Only in Langwatch

  • Agent simulation testing
  • LLM evaluation
  • OpenTelemetry tracing
  • Langy AI Engineer
  • Governance controls
  • Multiple deployment options
  • Framework support

What people use each for

The jobs each tool is most often brought in to do.

Airbrake

  • Error and exception monitoring for web applicationsnot Langwatch
  • Performance monitoring alongside error trackingnot Langwatch
  • Alerting a team when a deploy introduces a spike in errorsnot Langwatch
  • Tracking errors across multiple projects in one accountnot Langwatch

Langwatch

  • Continuous testing of AI agents before production deploymentnot Airbrake
  • Automated test creation from product requirementsnot Airbrake
  • LLM response quality evaluation and scoringnot Airbrake
  • Production agent monitoring and cost trackingnot Airbrake
  • Governance and access control for AI systemsnot Airbrake

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Airbrake

  • Data retention is 30 days on every plan, including the $799 a month Business tier
  • The entry plan at $19 a month covers 25,000 errors and 7,500 events
  • Errors beyond the plan quota are billed on demand
  • Audit logs and spike forgiveness require the Pro tier
  • The lowest tier is limited to 1 user and 1 team

Langwatch

  • Free plan limited to 50k events per month, restricting larger deployments
  • Pricing in EUR may complicate budgeting for US-based teams
  • Usage-based overage model can create unpredictable costs
  • Self-hosted option requires DevOps expertise

Pricing, plan by plan

Airbrake

Free
  • Tier 1 (Dev + errors)$19/month
    • 25,000 errors per month
    • 1 user
    • 1 team
  • Tier 2 (Basic + errors)$38/month
    • 100,000 errors per month
    • Unlimited users
    • 3 teams
  • Pro$76/month
    • Unlimited users
    • Unlimited teams
    • Unlimited projects
  • Tier 5 (Growth)$299/month
    • 1 million errors per month

Langwatch

Free
  • DeveloperFree
    • 50k events per month
    • 14-day data access
    • 2 users
  • Growth$29/month
    • 200k events per month included
    • 5 EUR per 100k additional events
    • 30-day data retention
  • Enterprise$undefined/custom
    • Custom event limits
    • Hybrid, self-hosted or on-premises deployment
    • Custom SSO and RBAC

Which should you pick?

Choose Airbrake if

  • You need error tracking.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want performance monitoring.
Airbrake review

Choose Langwatch if

  • You need agent simulation testing.
  • You want to start without paying.
  • You work on Web, Docker, Kubernetes.
  • You also want llm evaluation.
Langwatch review

Questions people ask

Is Airbrake or Langwatch better?
Neither clearly leads. Airbrake starts at Free and Langwatch at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Airbrake or Langwatch?
Airbrake starts at Free and Langwatch at Free.
Does Airbrake or Langwatch run on more platforms?
Airbrake runs on Web, Api. Langwatch runs on Web, Docker, Kubernetes.
Can I use Airbrake for free?
Both have a free tier, so you can try either at no cost before committing.
What is Airbrake best used for?
Airbrake is most often used for error and exception monitoring for web applications, performance monitoring alongside error tracking, alerting a team when a deploy introduces a spike in errors, tracking errors across multiple projects in one account. Of those, error and exception monitoring for web applications and performance monitoring alongside error tracking are not what Langwatch is typically brought in for.
What can Airbrake do that Langwatch cannot?
Airbrake covers Error tracking, Performance monitoring, Deploy tracking, Custom notifications. Langwatch covers Agent simulation testing, LLM evaluation, OpenTelemetry tracing, Langy AI Engineer.

Answered from the vendors’ own pages

Airbrake: What is the lowest-cost Airbrake plan and what does it include?

Tier 1 costs $19 per month and includes 25,000 errors per month, 1 user seat, 1 team, and unlimited projects. This plan targets individual developers. A 10% discount applies when paying annually ($17.10 per month).

Source
Langwatch: Is there a permanent free tier?

Yes, Langwatch's Developer plan is free forever with 50k events per month, 14-day data access, 2 users, and no credit card required. It is specifically designed for individual developers prototyping AI applications.

Source
Airbrake: Which Airbrake plan is marked as the best value?

The Pro plan at $76 per month is marked as Best Value. It includes unlimited users, unlimited teams, unlimited projects, audit logs, and spike forgiveness. Annual billing provides a 10% discount ($68 per month).

Source
Langwatch: What is Langy and how does it save time?

Langy is an AI-powered tool that automates test creation. It converts product requirements into test scenarios, runs simulations, scores results, and generates pull requests with fixes in a median of 14 minutes.

Source
Airbrake: How many errors per month does each Airbrake tier allow?

Tier 1 allows 25,000 errors per month at $19/month. Tier 2 allows 100,000 errors at $38/month. Tier 4 allows 300,000 errors at $129/month. Tier 5 allows 1 million errors at $299/month. Tier 6 allows 5 million errors at $799/month.

Source
Langwatch: What frameworks does Langwatch support?

Langwatch works with LangGraph, LangChain, CrewAI, OpenAI Agents, AWS Bedrock, Azure OpenAI, Vertex AI, and other major LLM frameworks and platforms.

Source
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