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telemetry.dev vs Retell AI

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

telemetry.dev compared with Retell AI
Detailtelemetry.devRetell AI
What it doesTraces, tokens, and cost for every AI app. AI Voice Agent Platform for Phone Call Automation
StageNot given Established
FoundedNot given Not given
Based inUS Not given
Pricing modelfreemium usage-based
PricingNot given $0.07-$0.31 per minute for voice agents, $0.002+ per message for chat agents, with $10 free credits at signup and no annual contract.
Key features
  • Trace inspection for model calls and tool steps
  • Token usage and cost tracking
  • Error and latency analysis
  • Cost comparison by model and provider
  • Data capture and redaction controls
  • TypeScript SDK
  • Python SDK
  • OpenTelemetry/OTLP integration
  • Trace search and filtering
  • Call transfer between human and AI
  • Book appointments and check availability
  • Knowledge base integration
  • Navigate IVR and handle keypad menus
  • Batch call campaigns and outbound dialing
  • Post-call analysis and transcripts
  • AI quality assurance monitoring
  • Drag-and-drop call flow builder
  • Simulation testing and regression testing
What makes it different
  • Built on OpenTelemetry standard
  • Automatic cost calculation from token usage
  • Support for multiple language SDKs and frameworks
  • Privacy controls for prompt and completion storage
  • 95.7% workflow accuracy benchmarked ahead of 6 platforms
  • ~600ms latency with industry-leading responsiveness
  • Proprietary turn-taking model that knows when to stop and listen
  • Full platform access with no feature gating from day one
  • Production-ready no-code agent builder your team can operate
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)12 no change since last check77 no change since last check
Trust Flow (Majestic)2131
Citation Flow (Majestic)2652
Referring domains (Majestic)903856

4 details filled in for both companies.

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