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Developer Tools · head to head

Envoy vs SentinelOne Singularity

Envoy logo

Envoy

Developer Tools

A high-performance L7 proxy written in C++ that is configured by an API rather than a config file, and is usually deployed under a control plane.

From
Free
Free plan
Yes
Visit EnvoyFull review
SentinelOne Singularity logo

SentinelOne Singularity

Cybersecurity

Autonomous AI-powered endpoint security

From
$5.83/month
Free plan
No
Visit SentinelOne SingularityFull review

The short version

  • SentinelOne Singularity is an AI-powered platform.
  • Envoy is free; SentinelOne Singularity starts at $5.83/mo.
  • Only Envoy lists xDS dynamic configuration; only SentinelOne Singularity lists behavioral AI.
  • Where SentinelOne Singularity falls short: deployment and configuration requires professional services ($5,000 to $25,000).
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which Envoy and SentinelOne Singularity actually diverge.

Attributes where Envoy and SentinelOne Singularity differ
AttributeEnvoySentinelOne Singularity
Starting priceFree$5.83/month
Free tierYesNo
PlatformsWebWindows, macOS, Linux, Web, iOS, Android
CategoryDeveloper ToolsCybersecurity

Not yet recorded: pricing model for SentinelOne Singularity, founded for Envoy.

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Envoy

  • xDS dynamic configuration
  • Protocol breadth
  • Filter chain architecture
  • Observability by default
  • Outlier detection
  • Traffic shaping
  • mTLS termination and origination
  • Hot restart

Only in SentinelOne Singularity

  • Behavioral AI
  • Autonomous response
  • ActiveEDR
  • Storyline technology
  • Rollback remediation
  • Ranger IoT
  • Cloud workload protection
  • Identity security

What people use each for

The jobs each tool is most often brought in to do.

Envoy

  • Acting as the data plane under a service mesh or Gateway API implementation, which is how the overwhelming majority of deployments use itnot SentinelOne Singularity
  • An edge or API gateway that needs per-route retry budgets, circuit breaking and outlier detection rather than round-robin proxyingnot SentinelOne Singularity
  • Migrating traffic between service versions or between a monolith and its replacement, using weighted splits and shadow trafficnot SentinelOne Singularity
  • Standardising observability across a polyglot estate, so that latency, error rates and tracing look the same regardless of the language a service is written innot SentinelOne Singularity

SentinelOne Singularity

  • Endpoint Securitynot Envoy
  • Edrnot Envoy
  • Xdrnot Envoy

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Envoy

  • The configuration surface is very large and hand-written bootstrap YAML runs to hundreds of lines for routing that Nginx expresses in twenty, which is why nearly every production deployment sits under a control plane and inherits that control plane's constraints as well
  • xDS is the real API and it is not stable in the comfortable sense; the v2 API set was removed outright, resource types continue to be deprecated, and your control plane and Envoy binaries have to be upgraded roughly in step or the proxies stop accepting configuration
  • Extending it properly means writing a C++ filter and building and maintaining your own Envoy binary; the alternatives are Lua, which adds per-request overhead, and proxy-wasm, whose ABI has remained effectively experimental for years with a real performance cost
  • At sidecar density the per-proxy memory and CPU footprint is a measurable share of cluster capacity, since thousands of workloads each carry a full proxy, and this is precisely the cost that has pushed mesh projects towards node-level or ambient architectures
  • There is no single vendor selling support for Envoy itself; you get the community plus control-plane vendors such as Solo.io and Tetrate, so an Envoy-level production bug is your own engineers in a C++ codebase unless a support contract happens to cover it
  • Diagnosing why a request got a particular response involves reading config dumps, the stats endpoint and the RESPONSE_FLAGS codes in access logs rather than a readable error, which is a specific skill you must hire or spend months growing

SentinelOne Singularity

  • Deployment and configuration requires professional services ($5,000 to $25,000)
  • Optional modules like Ranger and Vigilance add to total cost of ownership
  • Complex pricing tiers make budgeting difficult for large deployments

Pricing, plan by plan

Envoy

Free

No published plan breakdown. See the Envoy review.

SentinelOne Singularity

$5.83/month
  • Singularity Core$5.83
    • Endpoint Protection Platform (EPP)
    • Malware prevention
    • Threat isolation
  • Singularity Control$6.67
    • All Core features
    • Device control
    • Firewall control
  • Singularity Complete$8.25
    • All Control features
    • Endpoint Detection and Response
    • XDR capabilities
  • Singularity Commercial$17.5
    • All Complete features
    • Identity protection
    • Cloud protection

Which should you pick?

Choose Envoy if

  • You need xds dynamic configuration.
  • You want to start without paying.
  • You also want protocol breadth.
Envoy review

Choose SentinelOne Singularity if

  • You need behavioral ai.
  • You work on Windows, macOS, Linux, Web, iOS, Android.
  • You also want autonomous response.
SentinelOne Singularity review

Questions people ask

Is Envoy or SentinelOne Singularity better?
Neither clearly leads. Envoy starts at Free and SentinelOne Singularity at $5.83/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Envoy or SentinelOne Singularity?
Envoy has a free tier; the other does not. Paid plans start at Free for Envoy and $5.83/month for SentinelOne Singularity.
Does Envoy or SentinelOne Singularity run on more platforms?
Envoy runs on Web. SentinelOne Singularity runs on Windows, macOS, Linux, Web, iOS, Android.
Can I use Envoy for free?
Yes. Envoy has a free tier, so you can try it without paying. SentinelOne Singularity starts at $5.83/month.
What is Envoy best used for?
Envoy is most often used for acting as the data plane under a service mesh or gateway api implementation, which is how the overwhelming majority of deployments use it, an edge or api gateway that needs per-route retry budgets, circuit breaking and outlier detection rather than round-robin proxying, migrating traffic between service versions or between a monolith and its replacement, using weighted splits and shadow traffic, standardising observability across a polyglot estate, so that latency, error rates and tracing look the same regardless of the language a service is written in. Of those, acting as the data plane under a service mesh or gateway api implementation, which is how the overwhelming majority of deployments use it and an edge or api gateway that needs per-route retry budgets, circuit breaking and outlier detection rather than round-robin proxying are not what SentinelOne Singularity is typically brought in for.
What can Envoy do that SentinelOne Singularity cannot?
Envoy covers xDS dynamic configuration, Protocol breadth, Filter chain architecture, Observability by default. SentinelOne Singularity covers Behavioral AI, Autonomous response, ActiveEDR, Storyline technology.

Answered from the vendors’ own pages

Envoy: Should I run Envoy on its own, or under a control plane?

Almost always under one. Directly authoring xDS or static bootstrap configuration is viable for a handful of routes and becomes unmanageable beyond that. Envoy Gateway, Istio, Contour, Gloo and Consul all exist to generate that configuration for you.

SentinelOne Singularity: What does SentinelOne Singularity XDR cover?

Singularity XDR unifies detection and response across endpoints, cloud, identity, network, and mobile, providing centralized visibility and automated response across all attack surfaces.

Source
Envoy: How does it compare with Nginx or HAProxy?

Envoy is dynamically configured over an API and instrumented far more heavily; Nginx and HAProxy are faster to configure and lighter for straightforward reverse proxying. If you never need to change routing without a reload, Envoy is more machinery than the problem requires.

SentinelOne Singularity: How does SentinelOne correlate data across security tools?

Singularity normalizes data from endpoints, identity, cloud, and third-party security tools into a unified data layer, enabling automatic correlation of signals without manual integration.

Source
Envoy: What does it cost?

Nothing to licence; it is Apache 2.0 and there is no paid edition. The cost is engineering time and, for most organisations, a commercial control plane or cloud service that packages it.

SentinelOne Singularity: Can SentinelOne integrate with existing security tools?

Yes, Singularity Marketplace provides pre-built, one-click integrations with email, network, firewall, and SaaS security tools, avoiding vendor lock-in while extending detection capabilities.

Source
Envoy: Can I write extensions without C++?

You can write Lua filters or proxy-wasm modules in Rust, Go, C++ or AssemblyScript. Both carry per-request overhead compared with a native filter, and the Wasm path has been slower to stabilise than the project originally projected.

SentinelOne Singularity: What is the pricing model for SentinelOne Singularity?

SentinelOne pricing ranges from $5.83 to $17.50 per endpoint per month across five tiers, with optional add-on modules and enterprise pricing available on request.

Source
Envoy: Is it a CNCF project?

Yes, it is a graduated CNCF project licensed under Apache 2.0, which means the trademark and governance sit with the foundation rather than with Lyft or any vendor.

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