Alternatives · Agents & Automation

CustomGPT.ai alternatives

The closest alternatives to CustomGPT.ai are ElevenLabs, Fin and Lindy, which also cover answering customer support. 7 of the 15 listed here can be used for free, including ElevenLabs and Crisp. The lowest paid plan starts at $6 per month (ElevenLabs).

Alternatives
15
Free options
7
Updated
Nov 2026

Closest first: ordered by how many of CustomGPT.ai's tasks each tool shares, then by popularity.

  1. 1

    ElevenLabsVerifiedFree tier · from $6/mo

    AI voice platform for generating speech, music, and sound effects, plus voice agents for creators and developers.

    Also does:Answering customer support

    Web · API

  2. 2

    FinVerifiedPay as you go

    AI customer agent that resolves support, sales and ecommerce conversations for service teams.

    Also does:Answering customer support

    API

  3. 3

    LindyVerifiedFree trial · from $29.99/mo

    An AI teammate that plugs into your work apps to run scheduled and on-demand tasks for your team.

    Also does:Answering customer support

    Web

  4. 4

    Retell AIVerifiedPay as you go

    Build and run AI voice agents that answer and place phone calls for support, sales, and scheduling teams.

    Also does:Answering customer support

    Web · API

  5. 5

    HootsuiteVerifiedFree trial · from $99/mo

    Social media management platform for scheduling posts, handling messages, and tracking performance for teams.

    Also does:Answering customer support

    API

  6. 6

    CrispVerifiedFree tier · from $45/mo

    Crisp is a customer support platform with a shared inbox, website chat, and no-code AI agents for support teams.

    Also does:Answering customer support

    Web · iOS · Android

  7. 7

    IntercomVerifiedFree trial · from $19/mo

    Customer service platform that pairs a shared helpdesk with an AI agent for support teams.

    Also does:Answering customer support

    Web

  8. 8

    BotpressVerifiedFree tier · from $150/mo

    Build AI support agents that resolve tickets and take actions like refunds, without code.

    Also does:Answering customer support

    Web · API

  9. 9

    ZendeskVerifiedFree trial · from $19/mo

    A customer service platform that combines ticketing, support channels, and AI agents for service teams.

    Also does:Answering customer support

    Web · API

  10. 10

    VoiceflowVerifiedPay as you go

    A platform for support and CX teams to build, test, and deploy AI agents across chat and voice.

    Also does:Answering customer support

    Web · API

  11. 11

    Relevance AIVerifiedFree tier

    A platform for teams to build, run and monitor AI agents and multi-agent workflows.

    Also does:Answering customer support

    API

  12. 12

    AdaContact sales

    Enterprise AI customer service platform that automates support interactions at scale.

    Also does:Answering customer support

    Web · API

  13. 13

    SiteGPTVerifiedFree trial · from $39/mo

    SiteGPT turns website content and files into an AI support chatbot for customer support teams.

    Also does:Answering customer support

    iOS · API

  14. 14

    ChatbaseVerifiedFree trial · from $40/mo

    Builds AI support and sales agents trained on your own content for chat, email, and voice.

    Also does:Answering customer support

    Web · API · iOS · Android · Command line

  15. 15

    FreshdeskVerifiedFree trial · from $19/mo

    Freshdesk is a customer service helpdesk with ticketing, shared inboxes, and AI agents for support teams.

    Also does:Answering customer support

    Web · iOS · Android

At a glance

ToolPricingFreePlatformsAPIChecked
CustomGPT.aiFree trial · from $99/moNoWeb, APIYes—
ElevenLabsFree tier · from $6/moYesWeb, APIYesNov 3, 2026
FinPay as you goNoAPIYesNov 4, 2026
LindyFree trial · from $29.99/moNoWebNoNov 4, 2026
Retell AIPay as you goNoWeb, APIYesNov 4, 2026
HootsuiteFree trial · from $99/moNoAPIYesNov 4, 2026
CrispFree tier · from $45/moYesWeb, iOS, AndroidYesNov 4, 2026
IntercomFree trial · from $19/moNoWebYesNov 4, 2026
BotpressFree tier · from $150/moYesWeb, APIYesNov 4, 2026
ZendeskFree trial · from $19/moNoWeb, APIYesNov 4, 2026
VoiceflowPay as you goYesWeb, APIYesNov 4, 2026
Relevance AIFree tierYesAPIYesNov 4, 2026
AdaContact salesNoWeb, APIYes—
SiteGPTFree trial · from $39/moNoiOS, APIYesNov 4, 2026
ChatbaseFree trial · from $40/moYesWeb, API, iOS, Android, Command lineYesNov 4, 2026
FreshdeskFree trial · from $19/moYesWeb, iOS, AndroidYesNov 4, 2026

Common questions

What is the best alternative to CustomGPT.ai?
ElevenLabs is the closest match: it also covers answering customer support. Fin and Lindy come next. Alternatives are ordered by how many of CustomGPT.ai's tasks they share, then by how popular they are.
Is there a free alternative to CustomGPT.ai?
Yes. ElevenLabs, Crisp and Botpress can be used for free. ElevenLabs has a free plan, and paid plans start at $6 per month.
What is the cheapest alternative to CustomGPT.ai?
Among paid plans, ElevenLabs starts lowest at $6 per month, against $99 for CustomGPT.ai.
Which CustomGPT.ai alternatives have a mobile app?
Crisp, SiteGPT and Chatbase have an iPhone or Android app.