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Bugsnag vs Traceloop

Bugsnag logo

Bugsnag

Logging

Application Stability Monitoring

From
Free
Rated
-
Full reviewWebsite
Traceloop logo

Traceloop

Logging

LLM reliability platform with open-source observability and evaluation

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Bugsnag owned by SmartBear rather than being independent; Traceloop free tier limited to 50k spans per month and 24-hour retention, restricting production use
  • They diverge on capability: Bugsnag covers Error tracking, Traceloop covers Open-source SDK (OpenLLMetry).
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Bugsnag and Traceloop actually diverge.

Attributes where Bugsnag and Traceloop differ
AttributeBugsnagTraceloop
Pricing modelfreemiumFreemium with pay-as-you-go enterprise option
PlatformsWeb, ApiCloud, On-premises, Air-gapped, Python, TypeScript, Go, Ruby
Founded2012Unknown

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

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 Bugsnag

  • Error tracking
  • Crash reporting
  • Release tracking
  • Trend analysis
  • API
  • Webhooks
  • REST
  • Web support

Only in Traceloop

  • Open-source SDK (OpenLLMetry)
  • Multi-provider support
  • Observability platform integration
  • Framework support
  • Monitoring dashboard
  • Evaluation system
  • Deployment flexibility

What people use each for

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

Bugsnag

  • Crash and error reporting for mobile and web applicationsnot Traceloop
  • Stability scores per releasenot Traceloop
  • Grouping errors by root cause across deploysnot Traceloop
  • Alerting when a release regressesnot Traceloop

Traceloop

  • Monitoring LLM application performance in productionnot Bugsnag
  • Instrumenting LLM apps with minimal code overheadnot Bugsnag
  • Continuous evaluation and quality scoring of LLM outputsnot Bugsnag
  • Debugging LLM application issues with full trace visibilitynot Bugsnag
  • Integrating observability data into existing monitoring stacksnot Bugsnag

Where each one falls short

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

Bugsnag

  • Owned by SmartBear rather than being independent
  • The free tier covers 7,500 events a month
  • Paid tiers are usage-priced by event volume rather than by seat, so a noisy release raises the bill
  • Enterprise pricing is quote-only

Traceloop

  • Free tier limited to 50k spans per month and 24-hour retention, restricting production use
  • Company acquisition by ServiceNow creates uncertainty about future roadmap
  • Requires integration with separate observability platforms for visualization
  • Less feature-rich than dedicated LLM evaluation platforms

Pricing, plan by plan

Bugsnag

Free
  • FreeFree
    • 1 user
    • Error and performance monitoring
    • 7500 events monthly
  • SelectFree
    • 50000-3 million error monitoring events monthly tiered
    • 1-150 million performance monitoring spans
    • Unlimited users
  • PreferredFree
    • 100000-3 million error monitoring events tiered
    • 1-300 million performance monitoring spans
    • Automatic error prioritization
  • Enterprise$null/month
    • Custom pricing
    • All Preferred features plus
    • Automatic error assignment

Traceloop

Free
  • FreeFree
    • 50,000 spans per month
    • Up to 5 seats
    • 24-hour data retention
  • Enterprise$undefined/custom
    • Unlimited spans per month
    • Unlimited seats
    • Custom data retention

Which should you pick?

Choose Bugsnag if

  • You need error tracking.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want crash reporting.
Bugsnag review

Choose Traceloop if

  • You need open-source sdk (openllmetry).
  • You want to start without paying.
  • You work on Cloud, On-premises, Air-gapped, Python, TypeScript, Go, Ruby.
  • You also want multi-provider support.
Traceloop review

Questions people ask

Is Bugsnag or Traceloop better?
Neither clearly leads. Bugsnag starts at Free and Traceloop at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Bugsnag or Traceloop?
Bugsnag starts at Free and Traceloop at Free.
Does Bugsnag or Traceloop run on more platforms?
Bugsnag runs on Web, Api. Traceloop runs on Cloud, On-premises, Air-gapped, Python, TypeScript, Go, Ruby.
Can I use Bugsnag for free?
Both have a free tier, so you can try either at no cost before committing.
What is Bugsnag best used for?
Bugsnag is most often used for crash and error reporting for mobile and web applications, stability scores per release, grouping errors by root cause across deploys, alerting when a release regresses. Of those, crash and error reporting for mobile and web applications and stability scores per release are not what Traceloop is typically brought in for.
What can Bugsnag do that Traceloop cannot?
Bugsnag covers Error tracking, Crash reporting, Release tracking, Trend analysis. Traceloop covers Open-source SDK (OpenLLMetry), Multi-provider support, Observability platform integration, Framework support.

Answered from the vendors’ own pages

Bugsnag: Is BugSnag free?

BugSnag Free plan is free and includes 1 user, error and performance monitoring with 7500 events and 1 million spans monthly, 50+ platforms, 30+ integrations, and 7-day data retention for solo developers and passion projects.

Source
Traceloop: Is OpenLLMetry open-source?

Yes, OpenLLMetry is Traceloop's open-source SDK built on OpenTelemetry standards. It allows teams to instrument LLM applications with just 2 lines of code and send data to 25+ observability platforms.

Source
Bugsnag: What are the event and span limits by BugSnag plan?

Free plan: 7500 error events and 1 million spans monthly. Select plan: 50000-3 million error events and 1-150 million spans tiered. Preferred plan: 100000-3 million error events and 1-300 million spans tiered. Enterprise plan: custom limits with pricing on request.

Source
Traceloop: What is the impact of ServiceNow acquisition?

Traceloop is joining ServiceNow, representing a strategic acquisition that will broaden enterprise adoption and integration capabilities. Current operations continue with free and enterprise options available.

Source
Bugsnag: How long does BugSnag retain error data?

BugSnag Free plan retains data for 7 days. Select and Preferred paid plans retain error data for 60 days. Enterprise plans offer custom data retention periods negotiated with sales.

Source
Traceloop: How many LLM providers and frameworks does Traceloop support?

Traceloop supports 20+ LLM providers including OpenAI and Anthropic, and integrates with frameworks like LangChain and LlamaIndex. It can send data to 25+ observability platforms.

Source
Bugsnag: What features does BugSnag Preferred plan add?

BugSnag Preferred plan (pricing tiered by volume, not published) adds automatic error prioritization, stability benchmarks, advanced segmentation, custom notifications, SAML SSO, and system metrics monitoring compared to Select plan.

Source
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