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Developer Tools · head to head

Sourcegraph vs Zilliz

Sourcegraph logo

Sourcegraph

Developer Tools

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

From
$16000/year
Free plan
No
Visit SourcegraphFull review
Zilliz logo

Zilliz

Databases

Managed vector database and vector lakebase for AI applications

From
Free
Free plan
Yes
Visit ZillizFull review

The short version

  • Sourcegraph is an enterprise code intelligence platform.
  • Zilliz is free; Sourcegraph starts at $16000/yr.
  • Where Sourcegraph falls short: enterprise pricing starting at $16k annually creates significant barrier for small teams.
  • Where Zilliz falls short: pricing structure not publicly disclosed, requires sales contact.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which Sourcegraph and Zilliz actually diverge.

Attributes where Sourcegraph and Zilliz differ
AttributeSourcegraphZilliz
Starting price$16000/yearFree
Pricing modelSubscriptionContact-sales
Free tierNoYes
CategoryDeveloper ToolsDatabases

Identical on both: platforms (Web, Self-hosted).

Not yet recorded: founded for Sourcegraph.

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 Sourcegraph

Nothing recorded that Zilliz does not also cover.

Only in Zilliz

  • Vector indexing
  • Distributed architecture
  • SQL interface
  • Tensor support
  • Real-time search
  • Cloud-native
  • Open-source compatible

What people use each for

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

Sourcegraph

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

Zilliz

  • Build retrieval-augmented generation (RAG) systemsnot Sourcegraph
  • Implement semantic search over documentsnot Sourcegraph
  • Create multimodal search with text and imagesnot Sourcegraph
  • Power recommendation engines with vector similaritynot Sourcegraph
  • Enable similarity search on user embeddingsnot Sourcegraph

Where each one falls short

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

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

Zilliz

  • Pricing structure not publicly disclosed, requires sales contact
  • Operational complexity for self-hosted Milvus deployments
  • Learning curve for those unfamiliar with vector databases
  • Limited built-in analytics compared to some alternatives

Pricing, plan by plan

Sourcegraph

$16000/year
  • Enterprise$16,000/yr
    • Scales with team size
    • Credits for AI features per user
    • Deep Search

Zilliz

Free

No published plan breakdown. See the Zilliz review.

Which should you pick?

Choose Sourcegraph if

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

Choose Zilliz if

  • You need vector indexing.
  • You want to start without paying.
  • You work on Web, Self-hosted.
  • You also want distributed architecture.
Zilliz review

Questions people ask

Is Sourcegraph or Zilliz better?
Neither clearly leads. Sourcegraph starts at $16000/year and Zilliz at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Sourcegraph or Zilliz?
Zilliz has a free tier; the other does not. Paid plans start at $16000/year for Sourcegraph and Free for Zilliz.
Does Sourcegraph or Zilliz run on more platforms?
Both run on Web, Self-hosted, so platform support will not decide this one for you.
Can I use Zilliz for free?
Yes. Zilliz has a free tier, so you can try it without paying. Sourcegraph starts at $16000/year.
What is Sourcegraph best used for?
Sourcegraph is most often used for large-scale code migrations across hundreds of repositories, enterprise governance and code ownership tracking, ai-assisted bug hunting and security pattern detection, onboarding engineers into large unfamiliar codebases. Of those, large-scale code migrations across hundreds of repositories and enterprise governance and code ownership tracking are not what Zilliz is typically brought in for.
What can Sourcegraph do that Zilliz cannot?
Zilliz covers Vector indexing, Distributed architecture, SQL interface, Tensor support.

Answered from the vendors’ own pages

Zilliz: What is the difference between Milvus and Zilliz Cloud?

Milvus is the open-source vector database that you can self-host. Zilliz Cloud is the fully managed service built on Milvus that removes operational overhead and handles scaling automatically.

Source
Zilliz: How many vectors can Zilliz handle?

Milvus and Zilliz Cloud can store and search billions of vectors through their distributed architecture that separates storage and compute layers.

Source
Zilliz: Is Milvus open-source?

Yes, Milvus is open-source under the Apache License 2.0 and is part of the LF AI & Data Foundation.

Source
Zilliz: What pricing does Zilliz Cloud offer?

Zilliz Cloud pricing is not publicly listed and requires contacting their team to discuss your specific scale and use case requirements.

Source
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