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AI Agents & Infrastructure

Braintrust

The active observability platform for agents

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Domain Rating by Ahrefs, checked 3 Oct 2026, changed 3 Oct 2026.

What it is

Ship quality agents at scale with AI observability for tracing production, running evals, and catching regressions before they reach users.

Quick answers

What does processed data mean?
Processed data refers to data ingested when you send data to Braintrust, not retained storage. After exceeding monthly quota, deleting data does not lower processed data. The cumulative amount ingested counts toward monthly total, calculated from first to last day of each calendar month.
What are scores?
Scores are used to measure results of offline or online evaluations run in Braintrust. Each time you record a score, the total number of scores counted towards monthly usage increases by one. Monthly total is calculated cumulatively from first to last day of each calendar month.
How do I track my usage?
You can track usage by selecting View usage details in Settings > Billing. This opens your detailed usage report in the Orb usage portal, where you can view current usage and monitor costs throughout the billing period.
Do you offer discounts for startups?
Yes, Braintrust offers 6–12 months of free access to the Pro plan for qualifying startups. To qualify, you must be a new Braintrust customer and have raised at least $100K in funding.

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Key features

  1. Real-time trace inspection
  2. LLM scoring and evaluation
  3. Production monitoring dashboards
  4. Automated pattern detection
  5. Dataset versioning and management
  6. Prompt optimization with Loop agent
  7. Natural language trace investigation
  8. Custom annotation interfaces
  9. Gateway API for unified access
  10. Brainstore database for AI data

Pricing

Starter plan free with $10 credits monthly, 1 GB processed data, 10k scores, 14-day retention. Pro plan $249/month with $100 credits, 5 GB processed data, 50k scores, 30-day retention. Enterprise with custom pricing. Overage charges at $4/GB for Starter and $3/GB for Pro on processed data.

More on this profile

Braintrust has a free listing. The owner can unlock the full profile for $5:

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