Software Alternatives, Accelerators & Startups

Vapi VS Apache CloudStack

Compare Vapi VS Apache CloudStack and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Vapi logo Vapi

Voice AI Infrastructure for the Internet

Apache CloudStack logo Apache CloudStack

CloudStack is an open source cloud computing software for creating, managing, and deploying infrastructure cloud services.
Not present
  • Apache CloudStack Landing page
    Landing page //
    2023-03-31

Vapi features and specs

No features have been listed yet.

Apache CloudStack features and specs

  • Open Source
    Apache CloudStack is open source, meaning there is no licensing cost and the community can contribute to its development, which fosters innovation and adaptation.
  • Hybrid Cloud Capability
    It supports hybrid cloud environments, allowing for integration with public cloud providers and providing flexibility in managing diverse resources.
  • Scalable
    CloudStack is designed to handle large deployments, making it suitable for scaling from small to very large cloud deployments.
  • Multi-Hypervisor Support
    Supports multiple hypervisors like VMware, KVM, and XenServer, providing freedom to choose the underlying virtualization technology.
  • Robust API
    Offers a comprehensive and robust API, which facilitates automation and integration with other systems and tools.

Possible disadvantages of Apache CloudStack

  • Steep Learning Curve
    Due to its vast array of features and complex architecture, it can be challenging for newcomers to grasp and configure efficiently.
  • Community Support
    While there is a community for support, it might not be as extensive or responsive as commercial solutions with dedicated support.
  • Limited Advanced Features
    Compared to some commercial cloud platforms, Apache CloudStack may lack certain advanced features or cutting-edge integrations.
  • Upgrading Complexity
    Upgrading existing deployments can be complex and may require significant planning to ensure smooth transitions without downtime.
  • Customization Challenges
    Although highly configurable, customizing CloudStack for specific needs might require deep expertise and can be resource-intensive.

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

Apache CloudStack videos

Apache CloudStack - Storage - Snapshots - Code Review

More videos:

  • Review - #14 | #ACSarchives: Apache CloudStack | Storage, Snapshots & Code Review
  • Tutorial - Apache Cloudstack Tutorial: What is Apache Cloudstack Part - 2

Category Popularity

0-100% (relative to Vapi and Apache CloudStack)
AI
100 100%
0% 0
Cloud Computing
0 0%
100% 100
Customer Support
100 100%
0% 0
VPS
0 0%
100% 100

User comments

Share your experience with using Vapi and Apache CloudStack. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare Vapi and Apache CloudStack

Vapi Reviews

SigmaMind AI vs Vapi vs Retell: Data Privacy that Developers can trust
Developers shouldnโ€™t have to guess what happens to their conversations once they hit the platform. With Vapi and Retell, โ€œownershipโ€ often comes with strings attached. SigmaMind AI takes the opposite stance: your data is fully yours, and nothing is used for training without your consent.
AI Voice Agent Platform For Business: A Complete Guide 2026
Iรขย€ย™d recommend Vapi if you are planning to create advanced AI meeting agents. It is great for creating custom flows and integrates easily with all of your databases, CRMs, and knowledge bases.
Top 10 AI Voice Agent Development Companies [2026]
Vapi is a San Francisco-based AI Voice Agent Development Agency founded 2023. This company is well-known for its developer-first platform that supports businesses to deploy their own AI voice agents. Vapi is one of the top custom voice ai companies toronto.
10 Best Custom AI Voice Agents for 2026: My Hands-On Review
Vapi AI, an advanced voice agent, stands out with its fast performance; it has sub-500ms latency and 99.9% uptime. Itโ€™s backed by a forward-deployed team, built-in AI guardrails, and has full compliance with SOC2, HIPAA, and PCI standards.

Apache CloudStack Reviews

We have no reviews of Apache CloudStack yet.
Be the first one to post

Social recommendations and mentions

Based on our record, Vapi should be more popular than Apache CloudStack. It has been mentiond 9 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.

Vapi mentions (9)

  • The 8 Best Platforms To Build Voice AI Agents
    The Vapi platform helps developers build and deploy voice agents and AI products in Python, React, and TypeScript. It provides two ways to make intelligent voice apps. It's assistant's option allows you to create simple conversational services that may require a single system prompt for the underlying model's operations. - Source: dev.to / 6 months ago
  • OpenClaw Is Changing My Life
    It can make/take phone calls[0], but they need to be prompted on the nature of the call, the data they need, and how to collect it. They can also output the results of the call via API. An AI agent from Masterworks recently called me using this technology. [0] https://vapi.ai/. - Source: Hacker News / 6 months ago
  • How to Set Up Voice AI Webhook Handling for Real Estate Inquiries Effectively
    ### Resources **VAPI Documentation:** [vapi.ai/docs](https://vapi.ai/docs) โ€“ Voice agent API, webhook integration, real-time call transcription, intent detection endpoints, assistant configuration, function calling. **Twilio Voice API:** [twilio.com/docs/voice](https://twilio.com/docs/voice) โ€“ Phone integration, call handling, webhook callbacks, TwiML response formatting, call status tracking. **GitHub... - Source: dev.to / 7 months ago
  • Implementing Real-Time Streaming with VAPI: My Journey to Voice AI Success
    ## Resources **VAPI**: Get Started with VAPI โ†’ [https://vapi.ai/?aff=misal](https://vapi.ai/?aff=misal) **VAPI Documentation:** Official [VAPI API reference](https://docs.vapi.ai) covers WebSocket voice streaming, real-time transcription configuration, and function calling patterns for conversational AI. **Twilio Voice API:** [Twilio Media Streams](https://www.twilio.com/docs/voice/media-streams) documentation... - Source: dev.to / 7 months ago
  • 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 months ago
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Apache CloudStack mentions (6)

  • Linux from the user's perspective - Part1: Installing Linux
    Xen + CloudStack - you'll know if you need it. - Source: dev.to / about 1 year ago
  • Continuing the Search: Open-Source Alternatives to AWS Services
    You can try https://cloudstack.apache.org which has a great UI, CLI, APIs, tooling (Ansible, Terraform etc.) and support for CloudStack Kubernetes Service and CAPC (https://cluster-api-cloudstack.sigs.k8s.io/). CloudStack is also supported by AWS EKS-A. Source: about 3 years ago
  • Common OpenSource Cloud OS
    CloudStack is cloud computing software for creating, managing, and deploying public as well as private IaaS clouds. It uses several hypervisors such as KVM, vSphere, and XenServer/XCP for virtualization. It supports some key features such as hypervisor agnostic, snapshot management, usage metering, built-in HA for hosts and VMs. Source: over 3 years ago
  • Ask HN: Who is hiring? (October 2022)
    ShapeBlue | Remote (Europe/Asia/Flexible timezones) | Dev and QA engineers | Full time | https://shapeblue.com Hi all, ShapeBlue is a remote-only 100% employee-owned international business ( more on this on https://www.shapeblue.com/shapeblue-has-become-an-employee-owned-business/ ). We are hiring devs and QA engineers to work on opensource Apache Cloudstack ( see https://cloudstack.apache.org ... - Source: Hacker News / almost 4 years ago
  • what do they use, or how do they do it..
    The big providers like AWS, GCP, Azure, all have fully custom solutions for the whole infrastructure. But there exist a number of open source projects which give you the ability to setup the basics (compute, storage, networking) on your own. A few such infrastructure projects I'm aware of: * Cloudstack * Openstack * Eucalyptus. Source: over 4 years ago
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What are some alternatives?

When comparing Vapi and Apache CloudStack, you can also consider the following products

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

OpenStack - OpenStack software controls large pools of compute, storage, and networking resources throughout a datacenter, managed through a dashboard or via the OpenStack API.

Bland AI - An AI Phone Calling API

XenoNode - XenoNode is one of the leading cloud solutions providers that have employed the best cloud services providers to ensure the quality performance all with peace of mind at very affordable pricing.

Eleven Labs - The most realistic and versatile AI speech software, ever. Eleven brings the most compelling, rich and lifelike voices to creators and publishers seeking the ultimate tools for storytelling.

OVH Cloud - OVHcloud provides cloud solutions to meet all of your IT needs. With cutting edge cloud technology, come view our solutions by industry or use case.