Independent AI agent reference

Air AI vs Retell AI

A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.

Short answer: choose Air AI if you want defunct ai voice agent; subject of a 2026 ftc enforcement settlement (Autonomous agent, enterprise); choose Retell AI if you want platform to build, test, deploy, and monitor ai voice agents for calls (Autonomous agent, usage).

Air AIRetell AI
What it isDefunct AI voice agent; subject of a 2026 FTC enforcement settlementPlatform to build, test, deploy, and monitor AI voice agents for calls
Typeagentplatform
AutonomyAutonomous agentAutonomous agent
Pricingenterpriseusage · $0.07/min voice engine (model + telephony billed on top); Enterprise from $8,000
Best forsmbdevelopers, smb, mid-market, enterprise
Deploymentsaassaas, api
Modalitiesvoicevoice, text, api
Modelsproprietarymodel-agnostic, gpt, claude
Protocolsnonerest-api, function-calling
Integrations-Twilio, Telnyx, Vonage, ElevenLabs, PlayHT
Capabilities2 documented4 documented

Air AI

  • +2023 demos were unusually natural and long-duration for the era and reached a wide audience
  • -Defunct: no live product, and the air.ai domain now belongs to an unrelated company
  • -Subject of an FTC enforcement action and 2026 settlement banning the owners from marketing business opportunities
Full Air AI profile

Retell AI

  • +Provider-flexible: bring your own telephony, voices, and LLM, or use Retell's built-in carrier
  • +Structured Conversation Flow Agents (nodes and transitions) give fine control alongside looser prompt-based agents
  • +Usage-based pricing with no mandatory base subscription and free credits to start; built-in testing and monitoring
  • -Advertised $0.07/min covers only the voice engine; LLM, telephony, and international add to real per-minute cost
  • -Building reliable structured flows for complex calls takes meaningful human setup
Full Retell AI profile

Which should you choose?

Air AI is defunct ai voice agent; subject of a 2026 ftc enforcement settlement, best for smb. Retell AI is platform to build, test, deploy, and monitor ai voice agents for calls, best for developers, smb, mid-market, enterprise. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.

This comparison is generated from the sourced Air AI and Retell AI profiles. Open either profile to review its evidence and last-reviewed date.