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Braintrust vs Traceloop

Braintrust logo

Braintrust

Software Development

The active observability platform for agents

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: Braintrust enterprise plan pricing not published, requires custom quote; Traceloop free tier limited to 50k spans per month and 24-hour retention, restricting production use

Where they differ

Only the attributes on which Braintrust and Traceloop actually diverge.

Attributes where Braintrust and Traceloop differ
AttributeBraintrustTraceloop
Pricing modelfreemiumFreemium with pay-as-you-go enterprise option
PlatformsWebCloud, On-premises, Air-gapped, Python, TypeScript, Go, Ruby
CategorySoftware DevelopmentLogging

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 Braintrust

Nothing recorded that Traceloop does not also cover.

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.

Braintrust

  • Monitoring production AI agents for qualitynot Traceloop
  • Detecting patterns in agent failuresnot Traceloop
  • Defining quality expectations before shipping agentsnot Traceloop
  • Tracking prompts and tool calls in productionnot Traceloop

Traceloop

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

Where each one falls short

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

Braintrust

  • Enterprise plan pricing not published, requires custom quote
  • Pro plan includes 6-12 months free discount for startups 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

Braintrust

Free
  • StarterFree
    • $10 model credits monthly included
    • 1 GB processed data monthly
    • 10000 scores monthly
  • Pro$249/month
    • $249 model credits monthly included
    • 5 GB processed data monthly
    • 50000 scores monthly
  • Enterprise$null/month
    • Custom data retention and export capabilities
    • RBAC and premium support
    • On-premises or hosted solutions available

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 Braintrust if

  • You want to start without paying.
Braintrust 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 Braintrust or Traceloop better?
Neither clearly leads. Braintrust 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, Braintrust or Traceloop?
Braintrust starts at Free and Traceloop at Free.
Does Braintrust or Traceloop run on more platforms?
Braintrust runs on Web. Traceloop runs on Cloud, On-premises, Air-gapped, Python, TypeScript, Go, Ruby.
Can I use Braintrust for free?
Both have a free tier, so you can try either at no cost before committing.
What is Braintrust best used for?
Braintrust is most often used for monitoring production ai agents for quality, detecting patterns in agent failures, defining quality expectations before shipping agents, tracking prompts and tool calls in production. Of those, monitoring production ai agents for quality and detecting patterns in agent failures are not what Traceloop is typically brought in for.
What can Braintrust do that Traceloop cannot?
Traceloop covers Open-source SDK (OpenLLMetry), Multi-provider support, Observability platform integration, Framework support.

Answered from the vendors’ own pages

Braintrust: Does Braintrust have a free plan?

Braintrust Starter plan is free and includes $10 model credits monthly, 1 GB processed data, 10000 scores monthly, and 14-day data retention with unlimited users and projects. No credit card required.

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
Braintrust: How much does the Braintrust Pro plan cost?

Braintrust Pro plan costs $249 per month and includes $249 model credits, 5 GB processed data, 50000 scores monthly, and 30-day data retention. Qualifying startups receive 6-12 months free.

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
Braintrust: What are Braintrust's overage charges?

Braintrust charges overage rates after monthly allocations: model credits beyond monthly allotment are charged at token rates, data overage is $4 per GB on Starter or $3 per GB on Pro, scores overage is $2.50 per 1000 on Starter or $1.50 per 1000 on Pro. Extended data retention beyond the included period costs $0.50 per GB per month.

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
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