Link copied to clipboard # OpenNebula vs OpenStack Comparison - What are their main differences? Share [ Export ](/compare/opennebula/openstack/export.csv) OpenNebulaOpenStack[+ Add Product](#) Pricing **OpenNebula** Free Trial No pricing available **OpenStack** No pricing available **Pricing Insights** from reviews Perceived Cost **OpenNebula** Not enough reviews yet **OpenStack** $$$$$ Average Discount **OpenNebula** Not enough reviews yet **OpenStack** Not enough reviews yet Uncover valuable pricing insights from real user feedback to improve your shopping experience. See it for free Time to Implement **OpenNebula** 6 months Based on 100 responses **OpenStack** 6 months Based on 100 responses Return on Investment **OpenNebula** 6 months Based on 100 responses **OpenStack** 6 months Based on 100 responses **Pros & Cons** from reviews **OpenNebula** Not enough data **OpenStack** Not enough data 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) **OpenStack** ![OpenStack 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/41430/uploads_2F2add3f04-3b29-4ebd-9b6f-55e192f51a1a_2FOpenStack.png) **Ratings** from reviews Meets Requirements **OpenNebula** **8.3** /10 Based on 7 responses **OpenStack** **8.5** /10 Based on 47 responses Ease of Use **OpenNebula** **9.0** /10 Based on 7 responses **OpenStack** **6.8** /10 Based on 48 responses Ease of Setup **OpenNebula** Not enough data **OpenStack** **4.6** /10 Based on 33 responses Ease of Admin **OpenNebula** Not enough data **OpenStack** **6.2** /10 Based on 33 responses Quality of Support **OpenNebula** **6.9** /10 Based on 6 responses **OpenStack** **7.0** /10 Based on 46 responses Has the product been a good partner in doing business? **OpenNebula** Not enough data **OpenStack** **7.0** /10 Based on 30 responses Product Direction (% positive) **OpenNebula** **10.0** /10 Based on 7 responses **OpenStack** **8.3** /10 Based on 48 responses **Features** ratings from reviews Cloud Management Platforms Not enough data **8.7** /10 Based on 7 responses Infrastructure as a Service (IaaS) Not enough data **8.9** /10 Based on 6 responses User Insights **Reviewers' Company Size** Small-Business(50 or fewer emp.) 10.0% Mid-Market(51-1000 emp.) 70.0% Enterprise(\> 1000 emp.) 20.0% Small-Business(50 or fewer emp.) 10.0% Mid-Market(51-1000 emp.) 70.0% Enterprise(\> 1000 emp.) 20.0% Small-Business(50 or fewer emp.) 19.2% Mid-Market(51-1000 emp.) 32.7% Enterprise(\> 1000 emp.) 48.1% Small-Business(50 or fewer emp.) 19.2% Mid-Market(51-1000 emp.) 32.7% Enterprise(\> 1000 emp.) 48.1% **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% [![OpenStack](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_19e8cd430b2746ccfa11314df4186e06/openstack.jpg "OpenStack")](https://www.g2.com/products/openstack/reviews) OpenStack Information Technology and Services 34.6% Computer Software 17.3% Telecommunications 11.5% Internet 9.6% Research 7.7% Other 19.2% Alternatives **OpenNebula Alternatives** ![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) ![VMware Cloud Foundation (VCF)](https://images.g2crowd.com/uploads/product/hd_favicon/69fdc58a6d585f2641bfcfb9c516d559/vmware-cloud-foundation.svg "VMware Cloud Foundation (VCF)") [ VMware Cloud Foundation (VCF) ](/products/vmware-cloud-foundation-vcf/reviews) **OpenStack Alternatives** ![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) ![Akamai Cloud Computing](https://images.g2crowd.com/uploads/product/hd_favicon/88a10113936d5d26cc5455decf5a8817/akamai-cloud-computing.svg "Akamai Cloud Computing") [ Akamai Cloud Computing ](/products/akamai-cloud-computing/reviews) ![Google Compute Engine](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_aeae116c52945fdecd7ed16d621cb315/google-compute-engine.png "Google Compute Engine") [ Google Compute Engine ](/products/google-compute-engine/reviews) ## OpenNebula vs OpenStack FAQs Generated using AI Last updated: August 14, 2026 ### What is the difference between OpenNebula vs OpenStack? OpenNebula is distinguished by its higher Ease of Use score and overall G2 rating, while OpenStack is more widely reviewed and offers broader support and customization options. | [OpenNebula](https://www.g2.com/products/opennebula/reviews) | [OpenStack](https://www.g2.com/products/openstack/reviews) | | --- | --- | | 4.4/5 (10 reviews) | 4.2/5 (53 reviews) | | — | — | | — | 4.6 | | 6.9 | 7.0 | | Simplicity and fast VM provisioning | Full control, flexibility, and broad feature set | ### How do the pricing models of OpenNebula and OpenStack compare? OpenNebula is favored for value by reviewers, as indicated by its higher Ease of Use and cost-saving benefits, while OpenStack is praised for being open source and free but noted for complexity in setup. - **OpenNebula:** In recent reviews, many reviewers highlight cost savings and ease of use, noting that it saves hardware costs and is easy to deploy and manage without formal training. - **OpenStack:** Reviewers consistently mention that OpenStack is open source and free, making it attractive for organizations seeking to avoid licensing costs, but they also note that its complexity can increase the total cost of ownership due to required expertise and maintenance. ### What are the best alternatives to OpenNebula and OpenStack? CloudStack, DigitalOcean, and OpenNebula are the top alternatives to OpenStack. | Product | G2 Rating (reviews) | Largest Segment | Pricing Insight | Top Reviewer-Cited Strength | | --- | --- | --- | --- | --- | | [OpenNebula](https://www.g2.com/products/opennebula/reviews) | 4.4/5 (10 reviews) | — | Cost savings and easy deployment | Simplicity and fast VM provisioning | | [OpenStack](https://www.g2.com/products/openstack/reviews) | 4.2/5 (53 reviews) | — | Open source and free, but complex setup | Full control, flexibility, and broad feature set | | [CloudStack](https://www.g2.com/products/apache-cloudstack/reviews) | 4.4/5 (27 reviews) | Enterprise | — | — | | [DigitalOcean](https://www.g2.com/products/digitalocean/reviews) | 4.6/5 (756 reviews) | Small-Business | — | — | ### Which Infrastructure as a Service (IaaS) features should I prioritize when comparing OpenNebula and OpenStack? Buyers should prioritize Ease of Use, Quality of Support, Meets Requirements, Ease of Setup, and Ease of Admin when comparing OpenNebula and OpenStack. - **Ease of Use:** OpenNebula scores 9.0, OpenStack scores 6.8. - **Quality of Support:** OpenNebula scores 6.9, OpenStack scores 7.0. - **Meets Requirements:** OpenNebula scores 8.3, OpenStack scores 8.5. - **Ease of Setup:** OpenStack scores 4.6; OpenNebula not rated. - **Ease of Admin:** OpenStack scores 6.2; OpenNebula not rated. ### What are the pros and cons of OpenNebula vs OpenStack? OpenNebula's headline strength is simplicity and fast VM provisioning, while OpenStack's is full control and flexibility for large-scale cloud environments. - **OpenNebula strengths:** Simplicity in understanding and managing master/worker nodes, rapid VM provisioning, easy deployment, and cost savings on hardware. - **OpenNebula trade-offs:** Documentation and knowledge base require improvement, limited scalability for very large deployments, and basic security mechanisms. - **OpenStack strengths:** Full control over cloud infrastructure, flexibility, broad feature set, strong open-source community, and support for hybrid and multi-region deployments. - **OpenStack trade-offs:** Complex setup and maintenance, steep learning curve, stability concerns at large scale, and documentation can be overwhelming or outdated. ### Is OpenNebula or OpenStack better for small businesses? OpenNebula is better suited for small businesses, as reflected in reviewer sentiment and its ease of use. - **OpenNebula:** Reviewers highlight its simplicity, quick onboarding without formal training, and cost savings, making it attractive for small teams and organizations with limited resources. - **OpenStack:** Reviewers note that while OpenStack is open source and free, its complexity and need for technical expertise make it more suitable for organizations with dedicated IT resources. ### Which Infrastructure as a Service (IaaS) platform has better integrations? OpenStack is favored for integrations, with reviewers citing its ability to integrate with many third-party vendor software. - **OpenNebula:** No recent reviewer-cited integrations are mentioned. - **OpenStack:** In recent reviews, reviewers mention integration with many third-party vendor software and highlight its flexibility for hybrid-cloud and multi-region solutions. ### How do OpenNebula and OpenStack compare on customer support? OpenNebula and OpenStack are at parity on Quality of Support, with scores of 6.9 and 7.0 respectively, which is below the materiality threshold for a meaningful difference. - **OpenNebula:** Reviewers describe support as helpful, with some noting the need for improved documentation and knowledge base. - **OpenStack:** Reviewers consistently mention strong community support, active forums, and a wide range of documentation, though some note that the volume of information can be overwhelming. ### Which is easier to implement, OpenNebula or OpenStack? OpenNebula is easier to implement than OpenStack, as reflected in reviewer sentiment and higher Ease of Use scores, while OpenStack's Ease of Setup score is 4.6. - **OpenNebula:** Reviewers consistently highlight straightforward installation, quick onboarding, and minimal need for formal training. - **OpenStack:** Reviewers frequently mention complex setup, a steep learning curve, and the need for significant technical expertise to deploy and maintain the platform. ## OpenNebula vs OpenStack - Reviewers felt that OpenStack meets the needs of their business better than OpenNebula. - When comparing quality of ongoing product support, reviewers felt that OpenStack is the preferred option. - For feature updates and roadmaps, our reviewers preferred the direction of OpenNebula over OpenStack.