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Machine Learning · head to head

Milvus vs You.com

Milvus logo

Milvus

Machine Learning

Open-source vector database for scalable similarity search

From
Free
Free plan
Yes
Full reviewWebsite
You.com logo

You.com

AI

Web search and data extraction APIs built for AI agents and LLMs

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Milvus vector dimensions are capped at 32,768; You.com pricing tiers beyond the pay-as-you-go table are not published and require contacting sales for volume discounts.
  • They diverge on capability: Milvus covers Billion-scale vectors, You.com covers Web Search API.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Milvus and You.com actually diverge.

Attributes where Milvus and You.com differ
AttributeMilvusYou.com
Pricing modelfreemiumusage-based
PlatformsLinux, Mac, Windows, Webweb, api
CategoryMachine LearningAI
Founded2017Unknown

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 Milvus

  • Billion-scale vectors
  • Multiple index types
  • GPU acceleration
  • Hybrid search
  • Data partitioning
  • PyTorch
  • TensorFlow
  • Hugging Face

Only in You.com

  • Web Search API
  • Contents API
  • Answer API
  • Research API
  • Zero data retention
  • SOC 2 certification

What people use each for

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

Milvus

  • Self hosting a vector database for semantic searchnot You.com
  • Storing and querying embeddings for retrieval augmented generationnot You.com
  • Similarity search over images, audio or text at scalenot You.com

You.com

  • Grounding LLM chatbots with live web datanot Milvus
  • Building AI research agentsnot Milvus
  • Adding cited web answers to productsnot Milvus
  • Financial research automationnot Milvus

Where each one falls short

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

Milvus

  • Vector dimensions are capped at 32,768
  • A collection is limited to 64 fields, 1,024 partitions and 16 shards
  • Only 1 index is allowed per field
  • Search returns at most 16,384 vectors as top-k, and nq is capped at 16,384
  • Input and output per RPC is capped at 64 MB for insert, search and query
  • VARCHAR values are limited to 65,535 characters
  • Data loaded into query nodes cannot exceed 90% of available memory
  • An instance supports at most 65,536 collections

You.com

  • Pricing tiers beyond the pay-as-you-go table are not published and require contacting sales for volume discounts.
  • Finance Research API is priced significantly higher than the other endpoints, at $110 per 1,000 calls.
  • No self-serve dashboard details are published for managing enterprise zero-retention settings.

Pricing, plan by plan

Milvus

Free
  • Open SourceFree
    • Full features
    • Self-hosted
    • Community support
  • Zilliz CloudFree
    • Managed service
    • Free tier available

You.com

Free
  • FreeFree
    • 100 Web Search API queries/day
    • $100 free credit
  • Pay-as-you-go$undefined/mo
    • Web Search API $5 per 1,000 calls
    • Contents API $1 per 1,000 pages
    • Answer API $5 per 1,000 calls

Which should you pick?

Choose Milvus if

  • You need billion-scale vectors.
  • You want to start without paying.
  • You work on Linux, Mac, Windows, Web.
  • You also want multiple index types.
Milvus review

Choose You.com if

  • You need web search api.
  • You want to start without paying.
  • You work on web, api.
  • You also want contents api.
You.com review

Questions people ask

Is Milvus or You.com better?
Neither clearly leads. Milvus starts at Free and You.com at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Milvus or You.com?
Milvus starts at Free and You.com at Free.
Does Milvus or You.com run on more platforms?
Milvus runs on Linux, Mac, Windows, Web. You.com runs on web, api.
Can I use Milvus for free?
Both have a free tier, so you can try either at no cost before committing.
What is Milvus best used for?
Milvus is most often used for self hosting a vector database for semantic search, storing and querying embeddings for retrieval augmented generation, similarity search over images, audio or text at scale. Of those, self hosting a vector database for semantic search and storing and querying embeddings for retrieval augmented generation are not what You.com is typically brought in for.
What can Milvus do that You.com cannot?
Milvus covers Billion-scale vectors, Multiple index types, GPU acceleration, Hybrid search. You.com covers Web Search API, Contents API, Answer API, Research API.

Answered from the vendors’ own pages

Milvus: How much does Milvus cost?

Milvus is open-source and free to use and modify. The self-hosted version has no licensing cost. Zilliz Cloud (the managed SaaS version) does not publish pricing on the website.

Source
You.com: Does You.com offer a free tier?

Yes, the Free plan includes 100 Web Search API queries per day plus $100 in free credit to try the other APIs before paying.

Source
Milvus: Is there a free or open-source version of Milvus?

Yes, Milvus is fully open-source and available for free. Milvus Lite is a lightweight option for learning and prototyping that can be installed via pip.

Source
You.com: How is usage billed on paid plans?

Pay-as-you-go pricing charges per 1,000 calls: $5 for Web Search, $1 for Contents, $5 for Answer, $12 for Research, and $110 for Finance Research.

Source
Milvus: Does Milvus offer a managed cloud service?

Yes, Zilliz Cloud is a fully managed Milvus cloud offering with serverless and dedicated cluster options. Pricing must be requested from the company as it is not listed on the public website.

Source
You.com: Are there volume discounts?

Yes, You.com offers lower per-call rates as usage scales, plus optional annual commitment plans for deeper discounts and predictable costs.

Source
You.com: Is there a minimum spend to use the APIs?

No, the pay-as-you-go model has no minimums, so developers are billed only for the calls they actually make beyond the free credit.

Source
You.com: What enterprise security options are available?

You.com offers SOC 2 certified infrastructure, zero data retention options, and Data Processing Agreements with custom QPS limits for enterprise customers.

Source
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