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Software Development · head to head

Windsurf vs Zilliz

Windsurf logo

Windsurf

Software Development

The agentic IDE

From
Free
Rated
-
Full reviewWebsite
Zilliz logo

Zilliz

Databases

Managed vector database and vector lakebase for AI applications

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Windsurf recently rebranded to Devin Desktop, creating product identity confusion; Zilliz pricing structure not publicly disclosed, requires sales contact
  • They diverge on capability: Windsurf covers Cascade AI agent, Zilliz covers Vector indexing.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Windsurf and Zilliz actually diverge.

Attributes where Windsurf and Zilliz differ
AttributeWindsurfZilliz
Pricing modelUnknowncontact-sales
PlatformsmacOS, Linux, WindowsCloud, Self-hosted
CategorySoftware DevelopmentDatabases
Founded20212017

Identical on both: starting price (Free), free tier (Yes), 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 Windsurf

  • Cascade AI agent
  • Agentic programming
  • Context-aware assistance
  • Automated command execution
  • Multi-file understanding
  • Intelligent code generation
  • Real-time debugging
  • Integrated terminal

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.

Windsurf

  • Agentic developmentnot Zilliz
  • AI-assisted codingnot Zilliz
  • Complex project managementnot Zilliz
  • Automated coding tasksnot Zilliz
  • Learning new codebasesnot Zilliz

Zilliz

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

Where each one falls short

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

Windsurf

  • Recently rebranded to Devin Desktop, creating product identity confusion
  • Cascade agent reached end-of-life on July 1, 2026, requiring migration to Devin Local
  • Free tier quota runs out quickly for active developers, within a couple days of coding
  • Pricing increased significantly in March 2026 overhaul, moving from credit-based to daily/weekly quotas
  • OpenAI acquisition raises concerns about long-term product direction diverging from Codeium's vision

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

Windsurf

Free
  • FreeFree
    • Light daily and weekly quotas
    • Unlimited tab autocomplete
    • Access to Cascade AI agent
  • Pro$20/month
    • Standard quotas
    • Windsurf proprietary SWE model
    • Cloud sessions for background work
  • Max$200/month
    • Heavy daily quotas
    • Long agent sessions
    • Frontier third-party models
  • Teams$40/month-per-user
    • All Pro features
    • Centralized billing
    • Usage analytics

Zilliz

Free

No published plan breakdown. See the Zilliz review.

Which should you pick?

Choose Windsurf if

  • You need cascade ai agent.
  • You want to start without paying.
  • You work on macOS, Linux, Windows.
  • You also want agentic programming.
Windsurf review

Choose Zilliz if

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

Questions people ask

Is Windsurf or Zilliz better?
Neither clearly leads. Windsurf starts at Free and Zilliz at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Windsurf or Zilliz?
Windsurf starts at Free and Zilliz at Free.
Does Windsurf or Zilliz run on more platforms?
Windsurf runs on macOS, Linux, Windows. Zilliz runs on Cloud, Self-hosted.
Can I use Windsurf for free?
Both have a free tier, so you can try either at no cost before committing.
What is Windsurf best used for?
Windsurf is most often used for agentic development, ai-assisted coding, complex project management, automated coding tasks. Of those, agentic development and ai-assisted coding are not what Zilliz is typically brought in for.
What can Windsurf do that Zilliz cannot?
Windsurf covers Cascade AI agent, Agentic programming, Context-aware assistance, Automated command execution. Zilliz covers Vector indexing, Distributed architecture, SQL interface, Tensor support.

Answered from the vendors’ own pages

Windsurf: Does Windsurf support MCP (Model Context Protocol) integrations?

Yes. Windsurf supports MCP with integrations for 21 third-party tools for extending functionality and connecting to external systems.

Source
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
Windsurf: What is Windsurf's current status as of 2026?

Windsurf rebranded to Devin Desktop in June 2026 and is backed by OpenAI after its 2025 acquisition. Cascade reached end-of-life on July 1, 2026, with Devin Local as the Rust-rewritten successor.

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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