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Air.ai vs Retell AI

Side-by-side on funding, valuation, status, and the rest of the FOBI roster.

Voice & Conversational Interfaces

Air.ai

Air.ai builds autonomous phone agents capable of 10-40 minute sales and support calls, positioning itself as fully autonomous conversational AI.

Voice & Conversational Interfaces

Retell AI

Retell AI provides APIs and SDKs for building conversational voice agents with sub-800ms latency and built-in telephony support.

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Including Funding rounds + valuations, Founders + executives, Products + tech stack, Headcount + HQ, Status timeline, and Roster connections.

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Field	Air.ai	Retell AI
Status	Defunct	Private
Sector	Voice & Conversational Interfaces	Voice & Conversational Interfaces
Subsector	Voice Agent Infrastructure	Voice Agent Infrastructure
Founded	2017	2023
HQ	Los Angeles, United States	San Francisco, United States
Headcount	—	11-50
Total raised	—	$4.6M