Mirantis

Name: Mirantis
Brand: Mirantis

Leader

Mirantis delivers the fastest path to production AI at scale, with full-stack AI infrastructure technology.

Est 1999|Valuation $625M|Raised $256.7M|35 Ref Customers

LinkedIn 95K|Web traffic 8K|FTEs 604|HQ Campbell, California, US

MarketsContainer Management

Platform CoversInternal Developer Portals Continuous Integration & Continuous Delivery (CI/CD)Artifact Management

Published Oct 25, 2026

01Common complaints

- Organizations without platform operations maturity: If an organization lacks staff experienced in Kubernetes and OpenStack operations, managed cloud Kubernetes or simpler distributions may present a lower-risk option. - Organizations highly sensitive to upgrade or stability risk: Multiple reviews cite upgrade and patching stability challenges; risk-averse organizations may prefer platforms with more managed upgrade workflows. - Teams seeking a PaaS-style integrated developer platform out of the box: Platforms such as OpenShift may better match teams wanting an opinionated, integrated application platform. - Organizations with strict budget constraints and high sensitivity to node-based pricing: k0s support and enterprise subscriptions can increase costs; community options may be less expensive for teams able to self-support. - Use cases requiring specific features that are not clearly documented as supported (for example, specific storage drivers or particular IPv6 behavior in Swarm mode): these should be validated in a proof-of-concept before procurement.

Deal disqualifiers (poor fit)

Small teams without Kubernetes or infrastructure expertise.
Organizations seeking a fully managed outcome with minimal platform operations responsibility.
Buyers that require transparent, fully public pricing and simple self-serve onboarding across the entire stack.

Known limitations from docs/reviews

MSR vulnerability scanning is offered as an add-on and may not be included by default in all licensing tiers.
Several reviewers cite stability issues during patching/upgrades and challenges with operational recovery in some environments.
IPv6 behavior is reported as limited in Swarm mode by some reviewers, and requests for additional storage driver integrations (for example Ceph) appear in user feedback.

Documentation lifecycle note

Mirantis documentation includes notices that some older MKE documentation sets are discontinued due to end-of-life (for example, MKE 3.4.x documentation maintenance was discontinued as of April 11, 2023). This is relevant for long-lived enterprise platforms and should be considered in upgrade planning.

Why some customers leave / churn reasons (themes)

Common criticisms cited in reviews include:

Stability and upgrade difficulties, leading to operational overhead and downtime risk.
Perceived operational opacity and insufficient internal documentation for deep troubleshooting.
Pricing concerns related to licensing and the add-on nature of some features.

Where Mirantis struggles (based on reviews)

Environments where routine maintenance must be exceptionally smooth: reviewers have noted pain points in patching, upgrades, and maintenance recovery.
Teams seeking deep transparency into internal platform internals: some reviewers prefer platforms where inner workings are more directly observable and easier to troubleshoot without vendor involvement.

02Why they buy

Strengths validated by evidence

Support for both Kubernetes and Swarm is noted by users as useful for migration flexibility and for managing mixed orchestration estates.
Enterprise IAM integrations: MKE documentation indicates support for SAML and SCIM.
Convergence of private cloud and Kubernetes: MOSK is positioned as an approach to manage OpenStack control planes using Kubernetes operators.

Where competitors have clear advantages

OpenShift: provides a more integrated platform experience and strong ecosystem alignment for application platform use cases.
Rancher: offers a widely adopted open source multi-cluster management toolchain with a low-cost entry point for core features.
Managed cloud Kubernetes: provides lower operational burden and simplified patching/upgrades in exchange for increased dependence on cloud providers.

03Field reports

Review platform signals (G2, Capterra)

- G2: Mirantis profiles and product pages are well rated on G2. - G2 product reviews for MKE include a range of ratings and comments. - Capterra: Mirantis Cloud Platform listing is well rated on Capterra from a smaller review sample. Selected reviewer themes (paraphrased): - Positive: Some reviewers described MKE as a reliable product for their use cases and reported use in Swarm mode at significant scale. - Mixed/critical: Several reviewers reported operational opacity, noting challenges in troubleshooting and requesting more searchable technical documentation. - Stability concerns: Multiple reviewers cited issues such as instability during patching and upgrades, application crashes, and operational incidents involving disk consumption and reboots. - Pricing: Some reviewers characterized licensing as expensive and noted limitations in elasticity and pay-as-you-go flexibility reported in certain deployments. - Feature gaps: Reported gaps included IPv6 support limitations for Swarm mode and requests for additional storage driver integrations such as Ceph.

Community/social signals

Public technical discussions about enterprise infrastructure products are distributed across Kubernetes and OpenStack communities; high-signal threads were fewer within the reviewed set.
The k0s project shows active community engagement, indicating adoption and ongoing development activity.

Why customers choose Mirantis (themes)

From reviews and product materials, commonly reported reasons include:

On‑prem private cloud and regulated deployment support with vendor-provided support.
Ability to support both Swarm and Kubernetes during migration or in mixed estates.
Centralized governance capabilities (RBAC/teams) and enterprise IAM integrations.

Vendor-published customer names and claims

Vendor press materials reference several enterprise customers across industry verticals, for example a major software company, a large telecommunications provider, a satellite communications firm, an online payments company, and a large banking institution. These vendor-published mentions indicate customer adoption but typically do not disclose deployment size, cost, uptime outcomes, or independent benchmarks.

Quantified outcomes

Independent, audited ROI metrics or detailed third-party case studies were limited in the sources reviewed.

Critical note: Performance and satisfaction claims often originate from review platforms (which can be sample-biased) or from vendor-authored materials and should be validated in a proof-of-concept and contractual terms where possible.

04Best fit

Company sizes

A best fit is typically:

Mid-market to enterprise organizations, particularly those with dedicated platform or infrastructure teams.
Service providers and organizations with large internal platforms where private cloud and governance justify platform operational overhead.

Industries / verticals

Common fit patterns include:

Telecom, financial services, regulated enterprises, government or defense-adjacent organizations, and large SaaS vendors with hybrid control requirements.

Roles/personas

Decision makers: VP/Director of Infrastructure, Head of Platform Engineering, CTO.
Day-to-day users: SREs, platform engineers, Kubernetes administrators, OpenStack operators.

Qualification criteria (good fit)

Requirement to operate Kubernetes on‑prem or in hybrid environments with enterprise IAM (SAML/SCIM).
Existing legacy Docker Enterprise/Swarm estates or a need for dual orchestration during migration.
Requirement for private-cloud IaaS control (OpenStack) and organizational willingness to staff for it.

05The pitch

Target market and positioning

Mirantis markets its products primarily to:

Enterprises and service providers operating private cloud or hybrid cloud at scale.
Platform engineering and infrastructure teams that need standardized operations, governance, and lifecycle management.
Organizations that prefer open-source alignment and flexibility rather than tightly coupled cloud-provider stacks.

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