Cosmonic
Cosmonic provides Cosmonic Control, a Kubernetes-native WebAssembly control plane that lets enterprise platform engineering teams deploy ultra-dense, capability-based sandboxed Wasm components alongside containers on any cloud, Kubernetes, or edge — with particular focus on secure AI agent and MCP server workloads.
- Company typePrivate
- Founded2021
- HeadquartersArlington, United States
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What Cosmonic does
Cosmonic Corp is a privately held US software company incorporated in Virginia and headquartered at 4105 18th St N, Arlington, VA. Founded in 2021 and operating with 11–50 employees, the company builds Cosmonic Control, a Kubernetes-native WebAssembly (Wasm) control plane that enables enterprises to deploy and manage ultra-dense, sandboxed Wasm workloads alongside existing containerized applications on any cloud, any Kubernetes distribution (EKS, AKS, GKE, OpenShift, Tanzu, Rancher, Charmed K8s, k3s, upstream Kubernetes, vSphere Kubernetes Service), on-premises, or at the edge. The product is built directly on the CNCF Incubating wasmCloud project, which originated with Cosmonic's co-founders Liam Randall (CEO) and Bailey Hayes (CTO), and integrates with Kubernetes via Custom Resource Definitions and an Operator for declarative workload management through kubectl, Helm, and GitOps tooling.
Cosmonic's platform targets enterprise platform engineering teams operating large multi-tenant Kubernetes estates, with a particular emphasis on securely running AI agent workflows, Model Context Protocol (MCP) servers, functions, triggers, bots, and other non-deterministic or untrusted code in capability-based, deny-by-default sandboxes. Documented technical differentiators include sub-millisecond cold starts with scale-to-zero, bin packing density of 10,000s of Wasm components per host versus roughly 100 containers per Kubernetes node, memory-safe isolation, OpenTelemetry-native observability, and integrations with GitHub Actions, Argo CD, Backstage, GitLab, Prometheus, Grafana, Envoy, Traefik, and Istio. Adjacent offerings include the open-source SandboxMCP plugin and OpenAPI2MCP tool for generating standards-compliant MCP servers compiled to Wasm components.
Cosmonic operates a freemium-to-enterprise go-to-market motion: the Cosmonic Control Technical Preview is distributed as a free, self-hosted Helm chart via oci://ghcr.io/cosmonic, with an Enterprise tier sold via direct contact ([email protected]) that unlocks unlimited HTTPTriggers per namespace, Project grouping, and the Artifact pre-fetch controller under multi-year contracts. The company also monetizes indirectly through Bytecode Alliance membership, contributions to wasmCloud, Wasmtime, and the WebAssembly Component Model, and recurring sponsorship and speaking presence at KubeCon + CloudNativeCon (NA and EU), WasmCon, and Cloud Native AI Day from 2024 through 2026. Disclosed institutional capital totals $8.5 million from a round led by Vertex Ventures in October 2022; no subsequent funding, revenue, or customer logos are disclosed.
Cosmonic firmographics
Firmographics- Name
- Cosmonic
- Legal name
- Cosmonic Corp
- Website
- https://cosmonic.com
- Company type
- Private
- Founded year
- 2021
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Cosmonic provides Cosmonic Control, a Kubernetes-native WebAssembly control plane that lets enterprise platform engineering teams deploy ultra-dense, capability-based sandboxed Wasm components alongside containers on any cloud, Kubernetes, or edge — with particular focus on secure AI agent and MCP server workloads.
- Ownership category
- akta.pro rank
Cosmonic industry classification
Industry- Product category
- Cloud Infrastructure
- NAICS
- Computer Systems Design and Related Services (54151), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518)
- SIC
- Services-Computer Integrated Systems Design (7373), Services-Prepackaged Software (7372)
- akta.pro primary industry
- Container Platforms & Orchestration (Kubernetes) (HDABADAF)
- akta.pro secondary industries
- Kubernetes & Container Platform Management (Private Cloud) (HDABABAC), Managed Container Platforms (Kubernetes & Container PaaS) (HDABAAAB)
Keywords
Where Cosmonic is headquartered
LocationHeadquarters
- HQ city
- Arlington
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Cosmonic business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Infrastructure, Operations
Revenue model
- Cosmonic Control Technical Preview (Free Tier): Self-hosted Helm chart installation free to get started; enables initial trials and small-scale deployment of Cosmonic Control. Acts as a freemium funnel into enterprise tiers.
- Enterprise Cosmonic Control: Quote-based enterprise tier unlocking unlimited HTTPTriggers per namespace, the Project grouping type, and the Artifact pre-fetch controller. Self-hosted with enterprise-grade features, sold via direct sales contact ([email protected]).
- Professional Services and Support: Implied [email protected] and [email protected] contact channels for deployment assistance, enterprise onboarding, and ongoing technical support for self-hosted enterprise installations.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Pay-as-you-go | Cosmonic Control Technical Preview — Free |
| Other | Multi-year contract | Enterprise Cosmonic Control — Quote-based |
Go-to-market motion5 records
Distribution channels4 records
Marketing channels10 records
Cosmonic product offering
Product offeringCore offering
Cosmonic develops and sells Cosmonic Control, a Kubernetes-native WebAssembly control plane built on the CNCF wasmCloud project that enables enterprise platform engineering teams to deploy and manage ultra-dense, sandboxed Wasm workloads side-by-side with containers on any cloud, Kubernetes distribution, or edge environment. The company also offers the SandboxMCP open-source plugin for generating standards-compliant Model Context Protocol (MCP) servers as WebAssembly components, and the wash CLI for building and shipping Wasm components.
Differentiator
Problem solved
Functional benefit
Brands
- Cosmonic Control: Kubernetes-native WebAssembly control plane for securely running microservices, agentic workflows, MCP servers, and other sensitive or untrusted code in Wasm component sandboxes; built on the CNCF wasmCloud project.
- SandboxMCP
Products and services
- Cosmonic Control Kubernetes-native WebAssembly control plane for enterprise platform engineering teams that deploys, scales, and manages ultra-dense, capability-isolated Wasm workloads alongside containers on any Kubernetes cluster, with K8s CRDs/Operator integration, OpenTelemetry observability, Envoy-based ingress, and scale-to-zero economics.
- SandboxMCP Free open-source plugin that generates standards-compliant Model Context Protocol (MCP) servers as secure WebAssembly components deployable to Kubernetes via Cosmonic Control; targets developers building LLM agent and AI tool integrations.
- wash CLI Open-source command-line developer tool that builds, signs, and pushes WebAssembly component binaries compiled against the WebAssembly Component Model (WASI P2) to OCI registries for deployment via Cosmonic Control.
Quantifiable outcome
- WebAssembly components cold-start in microseconds and scale to zero, eliminating idle pod costs vs traditional containerized environments that waste up to 80% of CPU.
- +4 more outcomes
Companies that use Cosmonic
Customer profileSegments5 records
Ideal customer profiles4 records
Cosmonic technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Feature8 records
Cosmonic partnerships and signals
Strategic signalScale indicators6 records
Recent moves6 records
Expansion highlights6 records
Cosmonic competitors and assessment
Company assessmentBroad incumbents
- Akamai (Linode / Edge Workers): Akamai's edge compute and Linode Kubernetes Engine compete for the same multi-cloud, edge, and Kubernetes workload deployments that Cosmonic Control supports.
- Red Hat (OpenShift): Red Hat OpenShift is one of Cosmonic Control's explicitly supported target Kubernetes platforms and a major incumbent in enterprise Kubernetes, with adjacent sandboxing and AI workload capabilities.
- Rancher by SUSE: Rancher is another explicitly supported distribution where Cosmonic Control runs, and SUSE's broader portfolio (NeuVector, Virtualization) overlaps with secure multi-tenant platform engineering use cases.
- Microsoft (Azure Container Apps / Hyperlight Wasm): Microsoft bundles Wasm support (Hyperlight Wasm, AKS Wasm workloads) into Azure Container Apps and broader Azure platform, serving similar Kubernetes-native workload scenarios as part of a much larger portfolio.
- Cloudflare Workers: Cloudflare Workers is a global edge platform running V8 isolates with Wasm support, targeting many of the same ultra-low-latency, scale-to-zero, capability-isolated workload patterns that Cosmonic Control enables on Kubernetes.
- Docker (Docker Desktop + WASM): Docker added first-class WebAssembly support alongside containers in Docker Desktop, targeting the same developer audience building polyglot microservices and agentic AI workloads.
- Fastly (Compute@Edge): Fastly Compute is a Wasm-based edge compute platform with strong developer ergonomics, overlapping with Cosmonic Control on the portability and sandboxed execution value proposition.
Emerging players
- Solo.io: Solo.io (Gloo Mesh, Istio integrations) has invested in WebAssembly extensions for service mesh and Envoy-based data planes, overlapping with Cosmonic's Envoy xDS ingress and capability-driven Wasm workloads story.
- Suborbital: Suborbital builds a WebAssembly application framework and control plane (SE2) for running Wasm functions and reactive workloads, closely paralleling Cosmonic's enterprise control-plane positioning.
Direct peers
- Fermyon: Fermyon is the most direct competitor, offering Fermyon Cloud and Spin, a serverless framework for WebAssembly microservices and AI agent workloads targeting similar enterprise platform engineering use cases.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights6 records
Customer concentration
Cosmonic social profiles
Digital presenceCosmonic financial estimates
Financial estimateRevenue estimate
Valuation estimate
Cosmonic leadership team
Management profileNumber of profiles
Profiles5 records
Cosmonic funding detail
Funding detailFunding overview
Funding rounds2 records
Investors4 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Cosmonic M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Cosmonic
What does Cosmonic do?
Cosmonic develops and sells Cosmonic Control, a Kubernetes-native WebAssembly control plane built on the CNCF wasmCloud project that enables enterprise platform engineering teams to deploy and manage ultra-dense, sandboxed Wasm workloads side-by-side with containers on any cloud, Kubernetes distribution, or edge environment. The company also offers the SandboxMCP open-source plugin for generating standards-compliant Model Context Protocol (MCP) servers as WebAssembly components, and the wash CLI for building and shipping Wasm components.
Is Cosmonic a public or private company?
Cosmonic is a private company. It is classified as venture growth investor backed and is currently operating.
When was Cosmonic founded?
Cosmonic was founded in 2021. It employs 11 to 50 people.
Where is Cosmonic based?
Cosmonic is headquartered in Arlington, United States, in the North America region.
How does Cosmonic make money?
Three revenue lines are on record. Cosmonic Control Technical Preview (Free Tier) is the primary driver. The others are enterprise Cosmonic Control and professional Services and Support.
Who are Cosmonic's main competitors?
Broad incumbents on record are Akamai (Linode / Edge Workers), Red Hat (OpenShift), Rancher by SUSE, Microsoft (Azure Container Apps / Hyperlight Wasm), Cloudflare Workers, Docker (Docker Desktop + WASM) and Fastly (Compute@Edge). Emerging players are Solo.io and Suborbital. Fermyon is listed as a direct peer.
Does Cosmonic have an API?
Yes. Cosmonic Control exposes a Kubernetes-native API based on Custom Resource Definitions (CRDs) and an Operator. Developers and operators manage Wasm workloads declaratively using kubectl, Helm, and GitOps tools. The CRDs include HTTPTrigger, WorkloadDeployment, Workload, WorkloadReplicaSet (runtime.wasmcloud.dev/v1alpha1 API) and control-plane resources (control.cosmonic.io API). Workloads can be built with the open-source Wasm Shell (wash) CLI and pushed to OCI registries; MCP servers can be generated via the SandboxMCP plugin and OpenAPI2MCP tool. Developer documentation is at docs.cosmonic.com/category/api-reference.
What industry is Cosmonic in?
Cosmonic's product category is Cloud Infrastructure. Its primary akta.pro industry code is HDABADAF, Container Platforms & Orchestration (Kubernetes), with a secondary code of HDABABAC, Kubernetes & Container Platform Management (Private Cloud). Its NAICS code is 54151 and its SIC code is 7373.