Software Alternatives, Accelerators & Startups

Crescendo.ai VS Vapi

Compare Crescendo.ai VS Vapi and see what are their differences

Crescendo.ai logo Crescendo.ai

#1 AI-driven customer service platform with human-backed outsourcing services for enterprises. Provide 24/7 support in 50+ languages.

Vapi logo Vapi

Voice AI Infrastructure for the Internet
  • Crescendo.ai Crescendo AI voice agent
    Crescendo AI voice agent //
    2025-07-15
  • Crescendo.ai Smart categorization
    Smart categorization //
    2025-07-15
  • Crescendo.ai AI chat
    AI chat //
    2025-07-15
  • Crescendo.ai AI chat support
    AI chat support //
    2025-07-15
  • Crescendo.ai AI agents
    AI agents //
    2025-07-15
  • Crescendo.ai Sentiment analysis
    Sentiment analysis //
    2025-07-15
  • Crescendo.ai VoC
    VoC //
    2025-07-15

Crescendo.ai is the worldโ€™s first all-in-one support platform combining advanced AI with expert human outsourcing services to deliver 24/7 support via chat, voice, SMS, and email in 50+ languages. It automates support tickets with 99.8% accuracy and includes a built-in Voice of Customer (VoC) dashboard for real-time insights, conversation summaries, intelligent categorization, and topic tagging. With AI-powered sentiment analysis and CSAT scoring on 100% of conversations, no manual surveys needed, CX leaders get a complete, 360ยฐ view of support performance.

Not present

Crescendo.ai

$ Details
paid
Startup details
Country
United States
Founder(s)
Matt Price, Anand Chandrasekaran, Andy Lee, Dr. Slava Zhakov
Employees
2,000 - 4,999

Vapi

Website
vapi.ai
Pricing URL
-
$ Details
-

Crescendo.ai features and specs

  • AI voice assistant
    AI-powered voice agents to automate phone support. It talks directly with customers, avoiding the lifeless IVR menus are needed
  • AI live chat agents
    An improved version of chatbots, that sounds like humna, not machine. It pulls answers directly from your CRM, knowledge-base, policies, and past interactions; no need for complex decision-trees and workflows.
  • Email autoresponders
    Automates email support with advanced NLP and LLM. It is powerful enough to resolve up to 90% of email tickets in minutes.
  • In-built VoC
    An insightful Voice of Customer (VoC) dashboard to provide 360 degree view of all the customer conversations, categories, hands-off reasons, recurring issues, sentiment analysis and more.
  • SMS support
    Provides automated customer support on SMS with AI.
  • Automated CSAT
    Automatically calculates CSAT for all the conversations; no need to rely on the manual surveys. The powerful AI considers tone, resolution time, usage of certain keywords, the ending of the conversation, etc, to calculate the accurate CSAT.
  • Human-backed outsourcing - *Unique
    Free access to 3,000+ highly trained support reps, QA professionals, CX experts, and onboarding specialists that you can use as your extended team.

Vapi features and specs

No features have been listed yet.

Crescendo.ai videos

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Vapi videos

Exploring Vapi A Quick Review - Discuss what is needed to compare to Air.Ai

More videos:

  • Review - a 1hr voice convo with AI (VapiAI)
  • Tutorial - How To Build a $5,000 AI Voice Assistant For FREE With Vapi

Category Popularity

0-100% (relative to Crescendo.ai and Vapi)
Customer Support
13 13%
87% 87
AI
7 7%
93% 93
Customer Service
100 100%
0% 0
AI Assistant
0 0%
100% 100

Questions and Answers

As answered by people managing Crescendo.ai and Vapi.

What makes your product unique?

Crescendo.ai's answer

Crescendo.ai is the worldโ€™s first platform to offer AI-powered customer support automation and expert human outsourcing services under one roof. We also provide our in-build support desk software for unlimited users and VoC dashboard with insightful reports.

  • AI chat, voice, SMS, and email automation
  • 24*7 live support in 50+ languages
  • Adanced NLP and LLM
  • Automated CSAT for all the conversations (no manual surveys needed)
  • Insightful VoC
  • Smart topic categorization
  • Onboarding and maintenance included
  • Free human-back support to handle hands-offs
  • QA included

Why should a person choose your product over its competitors?

Crescendo.ai's answer

  1. Cost savings: Includes all the features, tools, outsourcing services, helpdesk software (unlimited users), and VoC in one price. No need to spend extra on any add-ons.
  2. 100% onboarding included: Data migrations, workflow creations, integrations, staff training, knowledge base maintenance, and QA are done by our team, giving you a hands-free onboarding experience.
  3. Extremely high accuracy: Crescendo.ai has achieved 99.8% accuracy in support ticket resolution, which is the highest in the industry.
  4. Human-like empathy: It's advanced AI that feels like real human agents, not lifeless bots or IVRs. It's 10X faster.

How would you describe your primary audience?

Crescendo.ai's answer

Any businesses in healthcare, retail, SaaS, finance, e-commerce, fitness, technical, and legal industries can use Crescendo.ai. Suitable for any business having a yearly 1,000+ support tickets.

User comments

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Social recommendations and mentions

Based on our record, Vapi seems to be more popular. It has been mentiond 5 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Crescendo.ai mentions (0)

We have not tracked any mentions of Crescendo.ai yet. Tracking of Crescendo.ai recommendations started around Jul 2025.

Vapi mentions (5)

  • I built a voice AI agent to clean my emails, meetings, and Slack DMs (Composio, Vapi, OpenAI TTS) ๐Ÿช„
    Paul Atreides uses the Voice as a tool for control and assertion. Imagine commandeering an AI agent with this voice. We built an AI agent using Composio, Vapi, and OpenAI TTS integrated with Gmail, Slack, and Google Calendar. It can summarise emails, schedule meetings, and search for Slack messages. Your entire morning routine is stress-free. - Source: dev.to / 11 days ago
  • Why Building with Voice Is a UX Design Challenge, Not Just a Tech One
    But none of them are what truly broke my first version of Learnflow AI, a voice-first tutor platform powered by Vapi. - Source: dev.to / 2 months ago
  • I Wanted to Learn Faster โ€” So I Built a Voice AI Tutor with GPT-4 in a Weekend
    Youโ€™ll need a free Vapi account to get your API key. - Source: dev.to / 2 months ago
  • Show HN: My Voice AI clone interviews you, then writes your LI / X posts
    ### Why did I build this? 1. LinkedIn and X are b2b lead goldmines. But generating content is hard. You have to figure out what to say. If you're like me, you have trouble coming up with social post ideas when staring at a blank screen. But interesting ideas arrive when I step away from my laptop and talk to people. Also, it's hard to compose the content in a way that appeases the platform algorithms. 2. I want to... - Source: Hacker News / about 1 year ago
  • Show HN: An open source framework for voice assistants
    Adding to your list: https://vapi.ai -- really nice tools. (I try to keep up with all the different layers/players in this space.). - Source: Hacker News / over 1 year ago

What are some alternatives?

When comparing Crescendo.ai and Vapi, you can also consider the following products

Tidio Copilot - Boost your productivity with Tidio Copilot, a free AI assistant that works with your existing helpdesk.

Bland AI - An AI Phone Calling API

Jotform AI Agents - Imagine a world where you can respond instantly to any customer, anytime, anywhere.

Retell AI - API that enables developers to build human-like voice agents

Kustomer - Kustomer is the first intelligent CRM for customer experience that enables you to know everything about every customer.

NextLevel.AI - Empower your business with human-like, fully adaptable AI voice agents! AI personal assistant, training, HR Voice AI agents, AI call center, more