Retell alternative

Crackle vs Retell AI.

Retell AI prices each call from its parts (voice engine, voice, model, telephony and add-ons), from $0.07 to $0.31 a minute, and is built for phone calls with numbers, batch calling and SOC 2 and HIPAA. Crackle charges one rate whichever voice and model you choose, for agents in your website or app. Choose Retell for phone operations; choose Crackle for one simple price and voices recorded in Indian languages.

Retell AI’s facts are from its own pages, checked on 14 October 2026. Prices change; the sources are at the foot of the table.

Side by side.

WhatCrackleRetell AI
Price$0.07 a minute$0.07 to $0.31 a minute
What the price coversVoice, transcription and model, whichever you chooseSummed per call: voice engine $0.055, voice from $0.015, the model you pick, telephony $0.015; their own example totals $0.11 a minute
To startFree plan with sign-up credit; plans from $29 a month include call credit$10 of free credit
Calls at once2 on the free plan; 5, 20, 75 on paid plans20 included; more at $8 a call a month
Billed byThe second; a call nobody joins costs nothingThe second; calls that fail to connect are free
Phone numbersNot yetYes: numbers from $2 a month, or your own SIP
Web and mobile appsWeb, iOS, Android and React Native, through LiveKitWeb call SDK; Node.js and Python SDKs
Talk button for a websiteYes: one line of HTMLYes, a website widget
Languages44, with voices recorded in Hindi, Hinglish, Tamil, Telugu, Kannada, Marathi, Bengali, Gujarati and PunjabiBy provider, listed in their docs
Answers from documentsYes: PDF, Word and text, up to 500 documentsYes: 10 knowledge bases free, then $8 a month each, plus $0.005 a minute
Calls your APIsYes: your HTTP endpoints, during a call or before itYes, function calling
How an agent is builtA studio: write instructions, pick a voice, press Test agent; or the APIPrompt agents, or a conversation flow of nodes

Sources: Retell AI pricing, Retell AI docs index, read on 14 October 2026. Crackle’s figures are from its live price list.

When Retell AI is the better choice.

  • You need phone numbers, batch calling or branded caller ID today.
  • You need SOC 2 or HIPAA; Retell states both.
  • You want to choose the model per agent from a long list, each priced on its own.

When Crackle is the better choice.

  • You want one rate whichever voice and model, instead of a sum of parts on every call.
  • Your callers speak Hindi, Hinglish or another Indian language and you want a voice recorded in it.
  • Your agent lives in your website or app, with a one-line talk button or LiveKit clients for web and mobile.

Moving from Retell AI.

Most of an agent carries straight across. Their names for things, and Crackle’s.

Agent (single or multi-prompt)
Agent
System prompt
Instructions: paste it in and keep it as it is
Begin message
Greeting: a fixed line, one written for each caller, or none
Custom functions or tools
Tools: the same HTTP endpoints, described in plain words
Knowledge base files
Knowledge: upload the same PDFs, Word and text files
Web call
Start a call from your server and join it with LiveKit, or paste the talk button
Call events to your server
Webhooks, signed, for each call’s start, lines and end

Other comparisons.

Try Crackle on your own agent.

Paste in the instructions you already have, pick a voice and talk to it. Sign-up credit is there for your first test calls.