Best Deepgram Voice Agent API Alternatives for Call Centers
30 AI tools that can replace Deepgram Voice Agent API for running a call center, ranked by how closely they match. The percentage is a match score, not a popularity score.
Replacing: Deepgram Voice Agent API — The Deepgram Voice Agent API is one real-time API that combines speech recognition, languaInput: text, audio · Output: text, audio
1
Convoso is an outbound sales platform that combines predictive dialing, lead and campaign management and number management in one system.
Input: data · Output: data
Free planAPI
78%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity5/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Also tagged for
Sales
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
2
Vapi is a developer platform for building, testing and deploying voice AI agents that talk to customers on the phone.
Input: text, audio · Output: audio, apps
Free planFrom $29/moAPITeams
84%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals6/10
- Feature description similarity8/20
Shared goals 2 of the 3 we tag Deepgram Voice Agent API for
Call CentersVoice Assistants
Also tagged for
Customer Support
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
3
ElevenLabs Conversational AI, now branded ElevenAgents, lets teams build, test and deploy voice and chat agents that handle customer conversations.
Input: text, audio, documents · Output: text, audio, apps
Free planFrom $5/moAPITeams
84%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals6/10
- Feature description similarity8/20
Shared goals 2 of the 3 we tag Deepgram Voice Agent API for
Call CentersVoice Assistants
Also tagged for
Customer SupportAI Agents
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
4
Klariqo handles incoming phone calls for businesses using AI voice technology that responds in 0
Input: audio · Output: text, audio, data
Free planFrom $99/moTeams
79%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity6/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
5
Retell AI is a voice agent platform for automating phone calls.
Input: text, audio · Output: audio, apps
Free trialAPITeams
83%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals6/10
- Feature description similarity8/20
Shared goals 2 of the 3 we tag Deepgram Voice Agent API for
Call CentersVoice Assistants
Also tagged for
Customer Support
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
6
BlandAI gives you voice AI for phone calls at massive scale—without routing through OpenAI or Anthropic
Input: text, audio · Output: audio, apps
Free plan
76%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity3/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Also tagged for
Customer Support
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
7
Sales teams drowning in scheduling calls can offload this work to Cal
Input: text, audio · Output: text, audio
Free planFrom $12/mo
75%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity2/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Also tagged for
Scheduling
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
8
You get a real phone number that works like any other number but has an AI agent built in
Input: text, audio · Output: text, audio
Free planFrom $7.99/mo
76%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity3/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
9
CloudTalk AI Voice Agents answer and make phone calls around the clock and sound natural doing it.
Input: audio, documents · Output: audio
Free planFrom $25/moTeams
74%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity2/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Also tagged for
Customer Support
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
10
Agencies selling voice AI services to clients typically face a problem: they need to rebrand powerful tools like ElevenLabs or Vapi under their own name while maintaining billing control
Input: text, audio · Output: audio, apps
Free planFrom $79/moAPITeams
76%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity3/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
11
Most businesses lose potential clients because calls go unanswered or get handled poorly
Input: audio · Output: audio, data
From $150/moTeams
74%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity2/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Also tagged for
Customer Support
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
12
A customer service rep at a mid-sized online furniture store answers the same shipping questions fifty times per day while trying to handle complex returns cases
Input: text, audio · Output: text, audio
Free planFrom $30/moTeams
75%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity3/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Also tagged for
Customer Support
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
13
Voice agents that handle actual phone conversations
Input: text, audio · Output: text, audio
From $200/moAPITeams
77%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity4/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Also tagged for
Customer SupportChatbots
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
14
ForEva connects to Square and Clover POS systems with one-click integration
Input: audio · Output: audio, data
Free trialFrom $250/mo
76%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity3/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
15
Autonomous AI voice agents for your customer service – 24/7, multilingual and GDPR
Input: text, documents, web pages · Output: text, audio, apps
Free planFrom $40/mo
77%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity5/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Also tagged for
Customer Support
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
16
Five9 is a cloud contact center software provider that combines omnichannel customer engagement with AI.
Input: text, audio · Output: text, audio
From $119/moTeams
80%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity7/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Also tagged for
Customer Support
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
17
PolyAI is an enterprise voice AI company whose Agentic Dialog Platform builds, runs and refines dialog agents for customer conversations.
Input: text, audio · Output: audio, apps
APITeams
80%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity7/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Also tagged for
Customer Support
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
18
Traditional chatbots can't pick up your phone and handle customer calls
Input: audio · Output: audio
Free planFrom $50/mo
75%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity3/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
19
ZenCall.ai : Your AI-Powered Phone AssistantNever miss a call or a business opportunity again. ZenCall.ai answers and makes calls on your behalf, exactly how you want—flawlessly, every time. Whether
Input: audio · Output: text, audio
Free trialFrom $23/mo
76%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity3/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Also tagged for
Customer SupportSales
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
20
AI voice agents that actually answer business phone calls, handling everything from qualifying leads to booking appointments without human intervention
Input: text, audio · Output: text, audio
From $49/moAPITeams
76%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity3/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Also tagged for
Lead Generation
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
21
Synthflow is an enterprise voice AI platform for automating phone calls with AI agents.
Input: text, audio · Output: audio, apps
APITeams
79%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity7/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Also tagged for
Customer Support
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
22
A realtor misses a call from a potential buyer while showing a house
Input: audio · Output: text, audio
Free planFrom $3.99/moTeams
75%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity2/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
23
74%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity1/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
24
Weblo AI is an AI employee for property management companies and real estate teams.
Input: text, audio · Output: text, audio
From $299/mo
75%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity3/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Also tagged for
Real Estate
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
25
A dental office gets 200 calls a week asking about appointment times, insurance coverage, and procedure pricing
Input: audio · Output: audio
Free trialFrom $149/moTeams
78%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals6/10
- Feature description similarity2/20
Shared goals 2 of the 3 we tag Deepgram Voice Agent API for
Call CentersVoice Assistants
Also tagged for
Customer Support
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
26
Talkdesk is a cloud contact center platform that adds AI agents to traditional customer service software.
Input: text, audio · Output: text, audio
From $85/moAPITeams
78%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity5/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Also tagged for
Customer Support
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
27
Regal is a voice AI agent platform that helps businesses build, improve and manage AI agents that speak with customers on the phone.
Input: text · Output: audio, apps
78%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity6/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
28
Infinitus is an agentic AI platform for healthcare communication and coordination.
Input: audio · Output: audio
Teams
78%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity5/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Also tagged for
Healthcare
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
29
AI that actually books meetings
Input: audio, data · Output: text, audio
Free planFrom $99/mo
74%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity1/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Also tagged for
Sales
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
30
Goodcall is a voice AI service that answers business phone calls with a custom AI agent.
Input: audio, web pages · Output: audio, data
Free trialFrom $66/moAPITeams
77%Strong alternative
00
How the score adds up
- Built for Call Centers (its core category)70/70
- Shares Deepgram Voice Agent API's other goals3/10
- Feature description similarity5/20
Shared goals 1 of the 3 we tag Deepgram Voice Agent API for
Call Centers
Also tagged for
Customer Support
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
Can it really replace Deepgram Voice Agent API for running a call center? Vote on each alternative — no account needed. Votes gently reorder the list; they never change the match score.
Missing an alternative for running a call center? Suggest it
At a glance: top Deepgram Voice Agent API alternatives for Call Centers
| Tool | Match | Input | Output | Pricing | Free plan | Rating | Category |
|---|---|---|---|---|---|---|---|
| Convoso | 78% | data | data | Freemium | Yes | — | AI Call Center |
| Vapi | 84% | text, audio | audio, apps | From $29/mo | Yes | — | AI Call Center |
| ElevenLabs Conversational AI | 84% | text, audio, documents | text, audio, apps | From $5/mo | Yes | — | AI Call Center |
| Klariqo: AI Voice Assistants | 79% | audio | text, audio, data | From $99/mo | Yes | — | AI Call Center |
| Retell AI | 83% | text, audio | audio, apps | Paid | No | — | AI Call Center |
| BlandAI | 76% | text, audio | audio, apps | Freemium | Yes | — | AI Call Center |
Frequently asked
What is the best Deepgram Voice Agent API alternative for running a call center?
Convoso (78% match) is the closest alternative to Deepgram Voice Agent API for running a call center: Convoso is an outbound sales platform that combines predictive dialing, lead and campaign management and number management in one system. Vapi (84% match) and ElevenLabs Conversational AI (84% match) come next.
Is there a free alternative to Deepgram Voice Agent API for running a call center?
Yes. 15 of the 30 ranked alternatives have a free plan or free tier, including Convoso, Vapi, ElevenLabs Conversational AI.
How is the match percentage calculated?
It measures how much of Deepgram Voice Agent API's job a tool can take over for running a call center: shared core category, how many of the same use cases it covers and how similar its feature set is. Popularity and ratings never change the percentage; they only break ties in the order. Lists are recomputed nightly and reviewed by editors for the most-visited tools.
How this list is ranked
The match score measures how much of Deepgram Voice Agent API's job each tool can take over when the goal is running a call center: shared core category, how many of the same use cases it covers, and how similar its feature set is. Popularity and ratings do not change the score; they only break ties in the order.
Lists are recomputed nightly from the live catalog and reviewed by our editors for the most-visited tools. Sponsored placements are marked and sit outside the ranking.