Best Free Retell AI Alternatives
15 alternatives to Retell AI with a free plan or free tier, ranked by how closely they match. The percentage is a match score, not a popularity score.
Replacing: Retell AI — Retell AI is a voice agent platform for automating phone calls.Input: text, audio · Output: audio, apps
1
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
97%Near drop-in replacement · same core category as Retell AI
00
How the score adds up
- Same core category55/55
- Covers Retell AI's goals25/25
- Feature description similarity17/20
Shared goals 3 of the 3 we tag Retell AI for
Call CentersCustomer SupportVoice Assistants
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
2
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
88%Strong alternative · same core category as Retell AI
00
How the score adds up
- Same core category55/55
- Covers Retell AI's goals18/25
- Feature description similarity15/20
Shared goals 2 of the 3 we tag Retell AI for
Call CentersCustomer 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
93%Near drop-in replacement · same core category as Retell AI
00
How the score adds up
- Same core category55/55
- Covers Retell AI's goals25/25
- Feature description similarity13/20
Shared goals 3 of the 3 we tag Retell AI for
Call CentersCustomer SupportVoice Assistants
Also tagged for
AI Agents
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
4
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
84%Strong alternative · same core category as Retell AI
00
How the score adds up
- Same core category55/55
- Covers Retell AI's goals18/25
- Feature description similarity10/20
Shared goals 2 of the 3 we tag Retell AI for
Call CentersCustomer Support
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
5
86%Strong alternative · same core category as Retell AI
00
How the score adds up
- Same core category55/55
- Covers Retell AI's goals18/25
- Feature description similarity13/20
Shared goals 2 of the 3 we tag Retell AI for
Call CentersCustomer Support
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
6
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
82%Strong alternative · same core category as Retell AI
00
How the score adds up
- Same core category55/55
- Covers Retell AI's goals18/25
- Feature description similarity8/20
Shared goals 2 of the 3 we tag Retell AI for
Call CentersCustomer Support
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
7
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
79%Strong alternative · same core category as Retell AI
00
How the score adds up
- Same core category55/55
- Covers Retell AI's goals18/25
- Feature description similarity6/20
Shared goals 2 of the 3 we tag Retell AI for
Call CentersCustomer Support
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
8
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
75%Strong alternative · same core category as Retell AI
00
How the score adds up
- Same core category55/55
- Covers Retell AI's goals11/25
- Feature description similarity8/20
Shared goals 1 of the 3 we tag Retell AI 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.
9
Sales teams drowning in scheduling calls can offload this work to Cal
Input: text, audio · Output: text, audio
Free planFrom $12/mo
73%Partial replacement — covers the main need with gaps · same core category as Retell AI
00
How the score adds up
- Same core category55/55
- Covers Retell AI's goals11/25
- Feature description similarity7/20
Shared goals 1 of the 3 we tag Retell AI 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.
10
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
74%Partial replacement — covers the main need with gaps · same core category as Retell AI
00
How the score adds up
- Same core category55/55
- Covers Retell AI's goals11/25
- Feature description similarity8/20
Shared goals 1 of the 3 we tag Retell AI for
Call Centers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
11
Voice AI agents pick up incoming calls and immediately start conversing with customers like they're talking to a real support rep
Input: text, audio · Output: text, audio
Free planFrom $95/moAPITeams
79%Strong alternative · same core category as Retell AI
00
How the score adds up
- Same core category55/55
- Covers Retell AI's goals18/25
- Feature description similarity5/20
Shared goals 2 of the 3 we tag Retell AI for
Call CentersCustomer Support
Also tagged for
Lead Generation
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
12
An AI agent calls businesses and government offices on your behalf while you go about your day
Input: text · Output: text, audio
Free planFrom $35/mo
78%Strong alternative · same core category as Retell AI
00
How the score adds up
- Same core category55/55
- Covers Retell AI's goals18/25
- Feature description similarity5/20
Shared goals 2 of the 3 we tag Retell AI for
Call CentersVoice Assistants
Also tagged for
Personal Assistant
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
13
Traditional chatbots can't pick up your phone and handle customer calls
Input: audio · Output: audio
Free planFrom $50/mo
73%Partial replacement — covers the main need with gaps · same core category as Retell AI
00
How the score adds up
- Same core category55/55
- Covers Retell AI's goals11/25
- Feature description similarity6/20
Shared goals 1 of the 3 we tag Retell AI for
Call Centers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
14
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
73%Partial replacement — covers the main need with gaps · same core category as Retell AI
00
How the score adds up
- Same core category55/55
- Covers Retell AI's goals11/25
- Feature description similarity6/20
Shared goals 1 of the 3 we tag Retell AI for
Call Centers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
15
Vozexo runs AI voice agents that pick up every phone call for service businesses
Input: audio · Output: audio
Free planFrom $49/mo
77%Strong alternative · same core category as Retell AI
00
How the score adds up
- Same core category55/55
- Covers Retell AI's goals11/25
- Feature description similarity11/20
Shared goals 1 of the 3 we tag Retell AI 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.
Can it really replace Retell AI? Vote on each alternative — no account needed. Votes gently reorder the list; they never change the match score.
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At a glance: top Retell AI alternatives
| Tool | Match | Input | Output | Pricing | Free plan | Rating | Category |
|---|---|---|---|---|---|---|---|
| Vapi | 97% | text, audio | audio, apps | From $29/mo | Yes | — | AI Call Center |
| CloudTalk | AI Voice Agents | 88% | audio, documents | audio | From $25/mo | Yes | — | AI Call Center |
| ElevenLabs Conversational AI | 93% | text, audio, documents | text, audio, apps | From $5/mo | Yes | — | AI Call Center |
| BlandAI | 84% | text, audio | audio, apps | Freemium | Yes | — | AI Call Center |
| Cognitive Calls | 86% | audio | text, audio | From $15/mo | Yes | — | AI Call Center |
| EchoCall | 82% | text, documents, web pages | text, audio, apps | From $40/mo | Yes | — | AI Call Center |
Frequently asked
What is the best free Retell AI alternative?
Vapi (97% match) is the closest free alternative to Retell AI: Vapi is a developer platform for building, testing and deploying voice AI agents that talk to customers on the phone. CloudTalk | AI Voice Agents (88% match) and ElevenLabs Conversational AI (93% match) come next.
What is the best Retell AI alternative for handling customer support?
Astra by Wati ranks first for handling customer support at 88% match. See the full list of Retell AI alternatives for Customer Support.
What is the best Retell AI alternative for talking to a voice assistant?
Alexa ranks first for talking to a voice assistant at 74% match. See the full list of Retell AI alternatives for Voice Assistants.
How is the match percentage calculated?
It measures how much of Retell AI's job a tool can take over: 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 Retell AI's job each tool can take over: 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.