Microsoft Copilot for Windows vs Vapi

Comparing the features of Microsoft Copilot for Windows to Vapi

Feature
Microsoft Copilot for Windows
Vapi

Capability Features

A/B Experiments
AI Guardrails
API Access
API Configurability
4.2K+ configuration points
API-First Architecture
Automated Test Execution
Automatic Conversation End
Automatic Scalability
Millions of calls
Bring Your Own Models
Chime Notification
Community Support
13000
Copilot Voice Floating UI
Copilot Wake Word
Custom Phone Number
Dedicated Deployment Engineer
Documentation
Enterprise Compliance
SOC2HIPAAPCI
Feedback Mechanism
Hands-Free Voice Activation
Inbound Calls
Manual Conversation End
Mic Usage Indicator
Multi-language Support
100+ languages
No-code/Low-code Workflow
On-Device Wake Word Detection
Outbound Calls
Prebuilt Templates
1000s
Tool Calling
Ultra-low Latency
Sub-500ms
Uptime SLA
99.99% uptime

Integration Features

Client SDK
React (web SDK)
Downloadable SDK ZIP
Github Repository
Integrations Information
40+ apps
Microsoft Store Update
OpenAI Integration
openaigpt-4o
Server SDKs
TypeScriptPythoncURL

Limitation Features

Feature Not Default
Internet Required for Voice Responses
No Built-in Telephony Provider Mentioned
No Explicit Pricing Details
No Explicit Usage Quotas Listed
No File Format Support Listed
No Local Audio Storage
Requires PC Unlocked
Version Requirement
1.25051.10.0 or higher
Wake Word Only in English
English only
Windows Insider Availability
Insiders only

Pricing Features

Free Tier