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Cloud · head to head

Linkerd vs Sourcegraph

Linkerd logo

Linkerd

Cloud

Lightweight service mesh for Kubernetes

From
Free
Free plan
Yes
Full reviewWebsite
Sourcegraph logo

Sourcegraph

Developer Tools

Code search and intelligence platform for large codebases with Cody AI assistant

From
$16000/year
Free plan
No
Full reviewWebsite

The short version

  • Only Linkerd has a free tier, so it costs nothing to try first.
  • Each has a real cost: Linkerd deliberately fewer features than Istio, so complex routing and multi-cluster policy can hit its limits; Sourcegraph enterprise pricing starting at $16k annually creates significant barrier for small teams
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Linkerd and Sourcegraph actually diverge.

Attributes where Linkerd and Sourcegraph differ
AttributeLinkerdSourcegraph
Starting priceFree$16000/year
Pricing modelOpen source, no licence feesubscription
Free tierYesNo
PlatformsKubernetes, LinuxCloud, Self-hosted
CategoryCloudDeveloper Tools

Identical on both: user rating (Not yet rated).

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 Linkerd

  • Automatic mutual TLS
  • Golden metrics
  • Rust micro-proxy
  • Traffic policy

Only in Sourcegraph

Nothing recorded that Linkerd does not also cover.

What people use each for

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

Linkerd

  • Adding mutual TLS between services to satisfy a compliance requirementnot Sourcegraph
  • Getting per-service latency and success rates without instrumenting applicationsnot Sourcegraph
  • Progressive delivery with traffic splitting during rolloutsnot Sourcegraph

Sourcegraph

  • Large-scale code migrations across hundreds of repositoriesnot Linkerd
  • Enterprise governance and code ownership trackingnot Linkerd
  • AI-assisted bug hunting and security pattern detectionnot Linkerd
  • Onboarding engineers into large unfamiliar codebasesnot Linkerd
  • Regulatory compliance and code audit trailsnot Linkerd

Where each one falls short

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

Linkerd

  • Deliberately fewer features than Istio, so complex routing and multi-cluster policy can hit its limits
  • Kubernetes only, with no story for workloads outside a cluster
  • A sidecar per pod is still real memory and latency overhead, however small, and a mesh is another layer to debug during incidents

Sourcegraph

  • Enterprise pricing starting at $16k annually creates significant barrier for small teams
  • No free tier or standard plan published; all options require custom sales engagement
  • Complex enterprise-only positioning limits adoption compared to GitHub Copilot's pervasiveness
  • Requires indexing entire codebase; not suitable for small or ephemeral projects

Pricing, plan by plan

Linkerd

Free
  • LinkerdFree
    • Full functionality
    • No usage limits
    • Community support

Sourcegraph

$16000/year
  • Enterprise$16000/year
    • Scales with team size
    • Credits for AI features per user
    • Deep Search

Which should you pick?

Choose Linkerd if

  • You need automatic mutual tls.
  • You want to start without paying.
  • You work on Kubernetes, Linux.
  • You also want golden metrics.
Linkerd review

Choose Sourcegraph if

  • You work on Cloud, Self-hosted.
Sourcegraph review

Questions people ask

Is Linkerd or Sourcegraph better?
Neither clearly leads. Linkerd starts at Free and Sourcegraph at $16000/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Linkerd or Sourcegraph?
Linkerd has a free tier; the other does not. Paid plans start at Free for Linkerd and $16000/year for Sourcegraph.
Does Linkerd or Sourcegraph run on more platforms?
Linkerd runs on Kubernetes, Linux. Sourcegraph runs on Cloud, Self-hosted.
Can I use Linkerd for free?
Yes. Linkerd has a free tier, so you can try it without paying. Sourcegraph starts at $16000/year.
What is Linkerd best used for?
Linkerd is most often used for adding mutual tls between services to satisfy a compliance requirement, getting per-service latency and success rates without instrumenting applications, progressive delivery with traffic splitting during rollouts. Of those, adding mutual tls between services to satisfy a compliance requirement and getting per-service latency and success rates without instrumenting applications are not what Sourcegraph is typically brought in for.
What can Linkerd do that Sourcegraph cannot?
Linkerd covers Automatic mutual TLS, Golden metrics, Rust micro-proxy, Traffic policy.

Answered from the vendors’ own pages

Linkerd: Is Linkerd free?

The open-source project is free. Buoyant, its maintainer, sells enterprise distributions and support separately.

Linkerd: Linkerd or Istio?

Linkerd trades features for simplicity, with a smaller proxy and far less configuration. Istio is more capable and correspondingly more work to run.

Linkerd: Do I need a service mesh at all?

Only if you need mutual TLS, uniform retries or per-service traffic metrics across many services. For a handful of services it is usually more machinery than the problem justifies.

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