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AI · head to head

Inflection AI vs Milvus

Inflection AI logo

Inflection AI

AI

Personal AI for everyone

From
Free
Free plan
Yes
Full reviewWebsite
Milvus logo

Milvus

Machine Learning

Open-source vector database for scalable similarity search

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Inflection AI inflection AIs consumer product Pi is distributed as a free app with no subscription tiers or in-app purchases named in its App Store listing; Milvus vector dimensions are capped at 32,768
  • They diverge on capability: Inflection AI covers Personal AI, Milvus covers Billion-scale vectors.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Inflection AI and Milvus actually diverge.

Attributes where Inflection AI and Milvus differ
AttributeInflection AIMilvus
Pricing modelfreefreemium
PlatformsWeb, Ios, AndroidLinux, Mac, Windows, Web
CategoryAIMachine Learning
Founded20222017

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 Inflection AI

  • Personal AI
  • Conversational interface
  • Voice interaction
  • Cross-platform
  • Pi app
  • Web interface
  • Ios support
  • Android support

Only in Milvus

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

Both cover

  • Web support

What people use each for

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

Inflection AI

  • ai tools managementnot Milvus
  • Workflow automationnot Milvus
  • Reportingnot Milvus

Milvus

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

Where each one falls short

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

Inflection AI

  • Inflection AIs consumer product Pi is distributed as a free app with no subscription tiers or in-app purchases named in its App Store listing

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

Inflection AI

Free
  • FreeFree
    • Access to Pi
    • Unlimited usage

Milvus

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

Which should you pick?

Choose Inflection AI if

  • You need personal ai.
  • You want to start without paying.
  • You work on Web, Ios, Android.
  • You also want conversational interface.
Inflection AI review

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

Questions people ask

Is Inflection AI or Milvus better?
Neither clearly leads. Inflection AI 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, Inflection AI or Milvus?
Inflection AI starts at Free and Milvus at Free.
Does Inflection AI or Milvus run on more platforms?
Inflection AI runs on Web, Ios, Android. Milvus runs on Linux, Mac, Windows, Web.
Can I use Inflection AI for free?
Both have a free tier, so you can try either at no cost before committing.
What is Inflection AI best used for?
Inflection AI is most often used for ai tools management, workflow automation, reporting. Of those, ai tools management and workflow automation are not what Milvus is typically brought in for.
What can Inflection AI do that Milvus cannot?
Inflection AI covers Personal AI, Conversational interface, Voice interaction, Cross-platform. Milvus covers Billion-scale vectors, Multiple index types, GPU acceleration, Hybrid search. Both handle Web support.

Answered from the vendors’ own pages

Inflection AI: Is Inflection AI's Pi service free to use?

The website invites users to 'Try Pi' but does not disclose pricing details, whether there is a free tier, usage limits, or what happens after a trial period.

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
Inflection AI: Does Pi have a paid tier or premium features?

Pricing information is not published on Inflection's main website. Users must try the Pi platform or contact support to learn about premium options or costs.

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
Inflection AI: What commercial terms apply to using Pi?

Inflection does not disclose subscription models, pricing tiers, commercial licenses, or terms of service on their homepage, directing questions to support channels.

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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