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Software Development · head to head

Braintrust vs Cronitor

Braintrust logo

Braintrust

Software Development

The active observability platform for agents

From
Free
Rated
-
Full reviewWebsite
Cronitor logo

Cronitor

Logging

Monitoring for cron jobs, websites, and background tasks

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Braintrust enterprise plan pricing not published, requires custom quote; Cronitor free tier limited to 5 monitors, limiting viability for small teams

Where they differ

Only the attributes on which Braintrust and Cronitor actually diverge.

Attributes where Braintrust and Cronitor differ
AttributeBraintrustCronitor
Pricing modelfreemiumPay-per-monitor plus user seats
PlatformsWebWeb, API
CategorySoftware DevelopmentLogging
FoundedUnknown2014

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 Cronitor does not also cover.

Only in Cronitor

  • Cron job monitoring
  • Uptime and performance checks
  • Heartbeat monitoring
  • Status pages
  • Real-user monitoring
  • Alert integrations
  • Email reports

What people use each for

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

Braintrust

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

Cronitor

  • Monitoring scheduled cron jobs and background tasksnot Braintrust
  • Tracking website and API uptime with global checksnot Braintrust
  • Alerting teams when critical jobs fail to executenot Braintrust
  • Communicating service status to customersnot 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

Cronitor

  • Free tier limited to 5 monitors, limiting viability for small teams
  • Pay-per-monitor pricing scales quickly with infrastructure size
  • Requires integrating ping calls into existing jobs
  • Limited to monitoring jobs that can send pings
  • No built-in workflow orchestration or task scheduling

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

Cronitor

Free
  • HackerFree
    • 5 monitors
    • Email and Slack alerts
    • Basic status page
  • Business$2/monitor/month
    • Unlimited monitors
    • 30-second check frequency
    • 10 alert integrations
  • Enterprise$6000/year
    • Custom features and integrations
    • 5-second check frequency
    • Dedicated engineer

Which should you pick?

Choose Braintrust if

  • You want to start without paying.
Braintrust review

Choose Cronitor if

  • You need cron job monitoring.
  • You want to start without paying.
  • You work on Web, API.
  • You also want uptime and performance checks.
Cronitor review

Questions people ask

Is Braintrust or Cronitor better?
Neither clearly leads. Braintrust starts at Free and Cronitor at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Braintrust or Cronitor?
Braintrust starts at Free and Cronitor at Free.
Does Braintrust or Cronitor run on more platforms?
Braintrust runs on Web. Cronitor runs on Web, API.
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 Cronitor is typically brought in for.
What can Braintrust do that Cronitor cannot?
Cronitor covers Cron job monitoring, Uptime and performance checks, Heartbeat monitoring, Status pages.

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
Cronitor: How does Cronitor billing work for the Business plan?

Business plan costs $2 per monitor per month plus $5 per user per month, billed monthly based on actual usage.

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
Cronitor: What is the difference between Hacker and Business plans?

Hacker plan ($0/month) includes 5 monitors and basic Slack/email alerts. Business plan ($2/monitor/month) offers unlimited monitors, 30-second checks, 10 integrations, 12-month retention, and email reports.

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
Cronitor: Does Cronitor offer a free trial?

Yes, Cronitor provides a 14-day free trial on the Business plan without requiring a credit card.

Source
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