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Braintrust vs openagent.email

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Braintrust compared with openagent.email
Detail Braintrustopenagent.email logo openagent.email
What it doesThe active observability platform for agents Self-hosted email and task handoffs for AI agents with no vendor control plane
StageGrowing Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Open source
PricingStarter 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. Self-hosted is free under Apache-2.0 license (pay only for VPS infrastructure ~$5/month and domain ~$10/year). Hosted Pro Early Bird: $30.00/year one-time payment, no auto-renewal.
Key features
  • Real-time trace inspection
  • LLM scoring and evaluation
  • Production monitoring dashboards
  • Automated pattern detection
  • Dataset versioning and management
  • Prompt optimization with Loop agent
  • Natural language trace investigation
  • Custom annotation interfaces
  • Gateway API for unified access
  • Brainstore database for AI data
  • MCP 2026-07-28 support for Claude, Cursor, Kimi Code and other clients
  • Unlimited agent mailboxes on your own domain
  • Email-backed agent-to-agent task threads with stamped states
What makes it different
  • Built specifically for agents which fail differently than normal software
  • Automatic pattern discovery from production data
  • Framework agnostic with no vendor lock-in
  • Enterprise security with SOC 2 Type II and HIPAA compliance
  • Brainstore query engine for faster production debugging
  • Apache-2.0 open source with no vendor control plane or per-inbox software fees
  • Mail stays on your server under your control unless you explicitly opt into external services
  • Built-in OTP extraction tested against real services from US and Chinese providers
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)77 +1 (up) since last check4 −1 (down) since last check
Trust Flow (Majestic)283
Citation Flow (Majestic)5126
Referring domains (Majestic)353028

5 details filled in for both companies.

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