Comparison

Enterprise Voice AI: STT, TTS & Agent APIs vs AI Voice Agent Platform to Automate Your Phone Calls

Kustiq lines up Enterprise Voice AI: STT, TTS & Agent APIs and AI Voice Agent Platform to Automate Your Phone Callson tech stack, hiring posture, funding, and customer signals in 60 seconds, stamped with each profile's last-verified date, free to compare and from $0.20 to profile your own.

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Enterprise Voice AI: STT, TTS & Agent APIs and AI Voice Agent Platform to Automate Your Phone Calls at a glance

Enterprise Voice AI: STT, TTS & Agent APIs logo

Enterprise Voice AI: STT, TTS & Agent APIs

Deepgram is a foundational AI company providing Speech-to-Text, Text-to-Speech, and Voice Agent APIs for developers and enterprises via usage-based cloud and self-hosted deployments. Founded in 2015, it achieved unicorn status in 2024 with a $130M Series C at a $1.3B valuation.

DataAIAI/ML Platform
AI Voice Agent Platform to Automate Your Phone Calls logo

AI Voice Agent Platform to Automate Your Phone Calls

Synthflow is an enterprise Voice AI platform founded in Berlin in 2023 that deploys low-latency AI voice agents to automate inbound and outbound phone calls for sales, support, and BPO use cases. The company operates its own proprietary telephony infrastructure and serves enterprise customers across 30+ countries, having powered over 65 million customer calls.

DataAIAI/ML Platform

Enterprise Voice AI: STT, TTS & Agent APIs vs AI Voice Agent Platform to Automate Your Phone Calls: TL;DR

  • Deepgram raised $130M Series C at $1.3B valuation; Synthflow closed $20M Seed funding.
  • Synthflow powered 65 million customer calls across 30+ countries; Deepgram offers APIs for developers.
  • Synthflow operates proprietary telephony infrastructure for inbound/outbound calls; Deepgram provides STT, TTS, Agent APIs.
DimensionEnterprise Voice AI: STT, TTS & Agent APIsAI Voice Agent Platform to Automate Your Phone Calls
VerticalDataAIDataAI
SegmentAI/ML PlatformAI/ML Platform
Founded
Employees51-20051-200
Location
FundingSeries C ($130M)more fundedSeed ($20M)
G2 rating4.2215 reviews
G2 categorySoftware Company
Pricing page

Tech stack

Stack overlap · 0% · 0 shared, 4 unique

Only AI Voice Agent Platform to Automate Your Phone Calls (4)

CloudflareHubSpot CMSWebflowjQuery

Known competitors

Enterprise Voice AI: STT, TTS & Agent APIs

ElevenLabsGladiaSynthflow.ai

AI Voice Agent Platform to Automate Your Phone Calls

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Enterprise Voice AI: STT, TTS & Agent APIs vs AI Voice Agent Platform to Automate Your Phone Calls: side-by-side facts

Enterprise Voice AI: STT, TTS & Agent APIs
Employees
51-200
Funding
$130M
Vertical
DataAI
AI Voice Agent Platform to Automate Your Phone Calls
Employees
51-200
Funding
$20M
Vertical
DataAI
Tech stack
Cloudflare, HubSpot CMS, Webflow
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