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Cybersecurity · head to head

Metasploit vs Milvus

Metasploit logo

Metasploit

Cybersecurity

The world's most used penetration testing framework

From
Free
Rated
-
Milvus logo

Milvus

Machine Learning

Open-source vector database for scalable similarity search

From
Free
Rated
-

The short version

  • Each has a real cost: Metasploit the free Framework edition is command line only; the web interface is Pro only; Milvus vector dimensions are capped at 32,768
  • They diverge on capability: Metasploit covers Exploit database, Milvus covers Billion-scale vectors.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Metasploit and Milvus actually diverge.

Attributes where Metasploit and Milvus differ
AttributeMetasploitMilvus
PlatformsDesktop, CliLinux, Mac, Windows, Web
CategoryCybersecurityMachine Learning
Founded20002017

Identical on both: starting price (Free), pricing model (freemium), 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 Metasploit

  • Exploit database
  • Payload generation
  • Post-exploitation
  • Evasion modules
  • Auxiliary scanners
  • Social engineering
  • Credential harvesting
  • Session management

Only in Milvus

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

What people use each for

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

Metasploit

  • Penetration testing and exploit development against known vulnerabilitiesnot Milvus
  • Validating whether a reported vulnerability is actually exploitablenot Milvus
  • Running phishing and credential attack simulations on the Pro editionnot Milvus

Milvus

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

Where each one falls short

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

Metasploit

  • The free Framework edition is command line only; the web interface is Pro only
  • Automated exploitation, automated credential attacks and antivirus evading dynamic payloads are restricted to Metasploit Pro
  • Reporting, audit wizards, task chains and closed loop vulnerability validation are Pro only
  • Rapid7 publishes no price for Metasploit Pro and routes buyers to contact sales

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

Pricing, plan by plan

Metasploit

Free
  • Metasploit Framework (OSS)Free
    • Open source
    • 1500+ exploits
    • Command line
  • Metasploit ProFree
    • Web interface
    • Automated testing
    • Phishing campaigns

Milvus

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

Which should you pick?

Choose Metasploit if

  • You need exploit database.
  • You want to start without paying.
  • You work on Desktop, Cli.
  • You also want payload generation.

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.

Questions people ask

Is Metasploit or Milvus better?
Neither clearly leads. Metasploit starts at Free and Milvus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Metasploit or Milvus?
Metasploit starts at Free and Milvus at Free.
Does Metasploit or Milvus run on more platforms?
Metasploit runs on Desktop, Cli. Milvus runs on Linux, Mac, Windows, Web.
Can I use Metasploit for free?
Both have a free tier, so you can try either at no cost before committing.
What is Metasploit best used for?
Metasploit is most often used for penetration testing and exploit development against known vulnerabilities, validating whether a reported vulnerability is actually exploitable, running phishing and credential attack simulations on the pro edition. Of those, penetration testing and exploit development against known vulnerabilities and validating whether a reported vulnerability is actually exploitable are not what Milvus is typically brought in for.
What can Metasploit do that Milvus cannot?
Metasploit covers Exploit database, Payload generation, Post-exploitation, Evasion modules. Milvus covers Billion-scale vectors, Multiple index types, GPU acceleration, Hybrid search.

Answered from the vendors’ own pages

Metasploit: Is Metasploit Framework free to use?

Yes, Metasploit Framework is available as free open-source software with source code accessible via GitHub. Community support is provided through Slack, GitHub, Twitter, and email.

Source
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
Metasploit: What is the difference between Metasploit Framework and Metasploit Pro?

Metasploit Framework is the free open-source version. Metasploit Pro is a commercial offering with customer support from Rapid7, though specific pricing and features are not detailed on the download page.

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
Metasploit: What support is available for the free Framework version?

Community-based support for Metasploit Framework is available through Slack, GitHub, Twitter, and email ([email protected]). Commercial customers using Metasploit Pro receive customer support from Rapid7.

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
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