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OpenRouter 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.

OpenRouter compared with Retell AI
DetailOpenRouterRetell AI
What it doesThe unified interface for every model AI Voice Agent Platform for Phone Call Automation
StageEstablished Established
FoundedNot given Not given
Based inUS Not given
Pricing modelfreemium usage-based
PricingFree plan with 25+ models and 4 providers, 50 requests/day. Standard: pay-as-you-go with 5.5% fee on credit purchases. Business: pay-as-you-go with 8% fee. Enterprise: volume-based pricing with contracts and dedicated support. $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
  • Access to 500+ models across 80+ providers
  • Auto-routing and preferred vendor selection
  • Custom data policies for model and provider selection
  • Prompt caching
  • Multi-modal support: text, images, videos, and audio
  • Automatic fallback to other providers on errors
  • In-region routing for EU and US
  • OpenAI-compatible API
  • Management API key controls
  • Activity logs and export
  • 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
  • No vendor lock-in across 80+ providers
  • No markup on provider inference pricing
  • Transparent marketplace showing unique strengths of each model
  • Automatic fallback and redundancy across providers
  • Failed requests are not billed
  • 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)88 no change since last check77 no change since last check
Trust Flow (Majestic)3831
Citation Flow (Majestic)7052
Referring domains (Majestic)245233856

6 details filled in for both companies.

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