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# OpenNebula vs Proxmox VE Comparison - What are their main differences?

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OpenNebulaProxmox VE[+ Add Product](#)

Reviews

**OpenNebula** [

4.4/5(10)

](https://www.g2.com/products/opennebula/reviews#reviews)

**Proxmox VE** [

4.6/5(39)

](https://www.g2.com/products/proxmox-ve/reviews#reviews)

Pricing

**OpenNebula**
Free Trial

No pricing available

**Proxmox VE**
 **€ 4,99** month (per CPU) · COMMUNITY

**Pricing Insights**
from reviews

Time to Implement

**OpenNebula**
Not enough reviews yet

**Proxmox VE**
2 months

Based on 16 responses

Return on Investment

**OpenNebula**
Not enough reviews yet

**Proxmox VE**
4 months

Based on 13 responses

Perceived Cost

**OpenNebula**
Not enough reviews yet

**Proxmox VE**
$$$$$

Average Discount

**OpenNebula**
Not enough reviews yet

**Proxmox VE**
12%

Pros & Cons

**OpenNebula**
Not enough data

**Proxmox VE**
[
Scalability (2)
](https://www.g2.com/products/proxmox-ve/reviews?filters%5Bsentiment_snippet%5D=2161115&qs=pros-and-cons#reviews)[
Cost-Effective (1)
](https://www.g2.com/products/proxmox-ve/reviews?filters%5Bsentiment_snippet%5D=2240100&qs=pros-and-cons#reviews)[
Steep Learning Curve (2)
](https://www.g2.com/products/proxmox-ve/reviews?filters%5Bsentiment_snippet%5D=2160995&qs=pros-and-cons#reviews)[
Network Issues (1)
](https://www.g2.com/products/proxmox-ve/reviews?filters%5Bsentiment_snippet%5D=2240118&qs=pros-and-cons#reviews)

Screenshots

**OpenNebula**
 ![OpenNebula screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/37792/OpenNebula_Screenshot-1.png)

**Proxmox VE**
 ![Proxmox VE screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/33933/ProxmoxVE_screenshot1.png)

Ratings

Meets Requirements

**OpenNebula**

8.3

8.37

**Proxmox VE**

9.0

9.034

Ease of Use

**OpenNebula**

9.0

9.07

**Proxmox VE**

8.7

8.734

Ease of Setup

**OpenNebula**
Not enough data

**Proxmox VE**

8.2

8.229

Ease of Admin

**OpenNebula**
Not enough data

**Proxmox VE**

8.7

8.726

Quality of Support

**OpenNebula**

6.9

6.96

**Proxmox VE**

7.2

7.224

Has the product been a good partner in doing business?

**OpenNebula**
Not enough data

**Proxmox VE**

8.6

8.619

Product Direction (% positive)

**OpenNebula**

10.0

10.07

**Proxmox VE**

10.0

10.031

Features

Server Virtualization[Hide 42 FeaturesShow 42 Features](javascript:void(0);)

Not enough data

9.1

15

Performance

Scalability

Not enough data

9.3(won by default)

15

Portability

Not enough data

8.7(won by default)

14

Data Recovery

Not enough data

9.0(won by default)

12

Disaster Recovery

Not enough data

Not enough data

Functionality

OS Integration

Not enough data

9.5(won by default)

14

Resource Saving

Not enough data

9.3(won by default)

14

Performance Management

Not enough data

9.2(won by default)

13

Security

Not enough data

8.5(won by default)

12

Third-Party Integrations

Not enough data

Not enough data

User Management

Not enough data

Not enough data

Compliance Management

Not enough data

Not enough data

Task Management

Not enough data

Not enough data

Agentic AI - Server Virtualization

Autonomous Task Execution

Not enough data

Not enough data

Multi-step Planning

Not enough data

Not enough data

Cross-system Integration

Not enough data

Not enough data

Adaptive Learning

Not enough data

Not enough data

Proactive Assistance

Not enough data

Not enough data

Decision Making

Not enough data

Not enough data

File Transfer

Not enough data

Not enough data

Additional Functionality

Cloud Computing

Not enough data

Not enough data

Archiving & Retention

Not enough data

Not enough data

Issue Tracking

Not enough data

Not enough data

Virtual Machine Migration

Not enough data

Not enough data

Server Monitoring

Not enough data

Not enough data

Status Tracking

Not enough data

Not enough data

Secure Login

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

API

Not enough data

Not enough data

Graphical User Interface

Not enough data

Not enough data

Secure Data Storage

Not enough data

Not enough data

Alerts/Escalation

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

Virtual Server

Not enough data

Not enough data

Remote Update/Installation

Not enough data

Not enough data

Data Verification

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Reporting & Statistics

Not enough data

Not enough data

VDI

Not enough data

Not enough data

Database Support

Not enough data

Not enough data

Data Synchronization

Not enough data

Not enough data

Data Replication

Not enough data

Not enough data

Virtual Machine Monitoring

Not enough data

Not enough data

Show 1 feature category with incomplete data

Infrastructure as a Service (IaaS)[Hide 64 FeaturesShow 64 Features](javascript:void(0);)

Not enough data

Not enough data

Infrastructure Provision

Public Cloud

Not enough data

Not enough data

Private Cloud

Not enough data

Not enough data

Hybrid Cloud

Not enough data

Not enough data

Bare Metal

Not enough data

Not enough data

High-Performance Computing (HPC)

Not enough data

Not enough data

Virtual Machines (VMs)

Not enough data

Not enough data

Edge Computing

Not enough data

Not enough data

Virtual Networks

Not enough data

Not enough data

Cloud Computing

Not enough data

Not enough data

Management

Pay by Usage

Not enough data

Not enough data

Usage Tracking

Not enough data

Not enough data

Performance Tracking

Not enough data

Not enough data

Activity Tracking

Not enough data

Not enough data

Functionality

Resource Auto-Scaling

Not enough data

Not enough data

Additional Functionality

Version Control

Not enough data

Not enough data

Database Support

Not enough data

Not enough data

Real-Time Monitoring

Not enough data

Not enough data

Monitoring

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

SSL Security

Not enough data

Not enough data

Configurable Workflow

Not enough data

Not enough data

Performance Metrics

Not enough data

Not enough data

Performance Management

Not enough data

Not enough data

Server Monitoring

Not enough data

Not enough data

Data Security

Not enough data

Not enough data

Reporting/Analytics

Not enough data

Not enough data

API

Not enough data

Not enough data

Compliance Management

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Authentication

Not enough data

Not enough data

Real-Time Analytics

Not enough data

Not enough data

Audit Management

Not enough data

Not enough data

Single Sign On

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Alerts/Escalation

Not enough data

Not enough data

Data Storage Management

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Resource Management

Not enough data

Not enough data

Activity Management

Not enough data

Not enough data

Scheduling

Not enough data

Not enough data

Load Balancing

Not enough data

Not enough data

Backup and Recovery

Not enough data

Not enough data

User Management

Not enough data

Not enough data

Role-Based Permissions

Not enough data

Not enough data

Secure Login

Not enough data

Not enough data

Reporting & Statistics

Not enough data

Not enough data

Network Monitoring

Not enough data

Not enough data

Service Level Agreement (SLA) Management

Not enough data

Not enough data

Task Scheduling

Not enough data

Not enough data

Application Management

Not enough data

Not enough data

Resource Allocation & Planning

Not enough data

Not enough data

Real-Time Notifications

Not enough data

Not enough data

Data Migration

Not enough data

Not enough data

Configuration Management

Not enough data

Not enough data

Log Access

Not enough data

Not enough data

Data Visualization

Not enough data

Not enough data

Real-Time Data

Not enough data

Not enough data

Audit Trail

Not enough data

Not enough data

Secure Data Storage

Not enough data

Not enough data

Data Capture and Transfer

Not enough data

Not enough data

Workflow Management

Not enough data

Not enough data

Performance Monitoring

Not enough data

Not enough data

Search/Filter

Not enough data

Not enough data

User Insights

Reviewers' Company Size

[![OpenNebula](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_18fb8e7272c4b73ded21167daabe0168/opennebula.png "OpenNebula")](https://www.g2.com/products/opennebula/reviews)

OpenNebula

Small-Business(50 or fewer emp.)

10.0%

Mid-Market(51-1000 emp.)

70.0%

Enterprise(\> 1000 emp.)

20.0%

[![Proxmox VE](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_00ed9359853dde05cd4c34e2bc47ec95/proxmox-ve.png "Proxmox VE")](https://www.g2.com/products/proxmox-ve/reviews)

Proxmox VE

Small-Business(50 or fewer emp.)

59.5%

Mid-Market(51-1000 emp.)

32.4%

Enterprise(\> 1000 emp.)

8.1%

Small-Business

(50 or fewer emp.)

10.0%

59.5%

Mid-Market

(51-1000 emp.)

70.0%

32.4%

Enterprise

(\> 1000 emp.)

20.0%

8.1%

Reviewers' Industry

[![OpenNebula](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_18fb8e7272c4b73ded21167daabe0168/opennebula.png "OpenNebula")](https://www.g2.com/products/opennebula/reviews)
OpenNebula

Computer Software

30.0%

Information Technology and Services

20.0%

Telecommunications

10.0%

Religious Institutions

10.0%

Internet

10.0%

Other

20.0%

[![Proxmox VE](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_00ed9359853dde05cd4c34e2bc47ec95/proxmox-ve.png "Proxmox VE")](https://www.g2.com/products/proxmox-ve/reviews)
Proxmox VE

Information Technology and Services

41.7%

Computer Software

11.1%

Computer & Network Security

11.1%

Oil & Energy

5.6%

Internet

5.6%

Other

25.0%

Alternatives

**OpenNebula Alternatives**

 ![OpenStack](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_19e8cd430b2746ccfa11314df4186e06/openstack.jpg "OpenStack")

[
OpenStack
](/products/openstack/reviews)

 ![Apache CloudStack](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_2dcff27693fcb91849f632f81448fc0d/apache-cloudstack.png "Apache CloudStack")

[
CloudStack
](/products/apache-cloudstack/reviews)

 ![DigitalOcean](https://images.g2crowd.com/uploads/product/hd_favicon/6028813119dc32d698afd6e25ff33d5b/digitalocean.svg "DigitalOcean")

[
DigitalOcean
](/products/digitalocean/reviews)

 ![Azure Virtual Machines](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_f176b4154a751d10150daa67a57b7dc5/azure-virtual-machines.jpg "Azure Virtual Machines")

[
Azure Virtual Machines
](/products/azure-virtual-machines/reviews)

**Proxmox VE Alternatives**

 ![VMware vSphere](https://images.g2crowd.com/uploads/product/hd_favicon/62d35cb2345645716e2f1cf7c8fc97fb/vmware-vsphere.svg "VMware vSphere")

[
VMware vSphere
](/products/vmware-vsphere/reviews)

 ![Azure Virtual Machines](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_f176b4154a751d10150daa67a57b7dc5/azure-virtual-machines.jpg "Azure Virtual Machines")

[
Azure Virtual Machines
](/products/azure-virtual-machines/reviews)

 ![Nutanix Cloud Infrastructure (NCI)](https://images.g2crowd.com/uploads/product/hd_favicon/16ee5d21a07a4df1a32e7970a428da94/nutanix-cloud-infrastructure-nci.svg "Nutanix Cloud Infrastructure (NCI)")

[
Nutanix Cloud...
](/products/nutanix-cloud-infrastructure-nci/reviews)

 ![VirtualBox](https://images.g2crowd.com/uploads/product/hd_favicon/0e9e8c0391aec772a9e9dcc84c23bda1/virtualbox.png "VirtualBox")

[
VirtualBox
](/products/virtualbox/reviews)

## OpenNebula vs Proxmox VE

- Reviewers felt that Proxmox VE meets the needs of their business better than OpenNebula.
- When comparing quality of ongoing product support, reviewers felt that Proxmox VE is the preferred option.
- When assessing product direction, OpenNebula and Proxmox VE received similar ratings from our reviewers.