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Technology · head to head

Drift vs Zilliz

Drift logo

Drift

Technology

The Conversation Cloud

From
$2500/month
Rated
-
Full reviewWebsite
Zilliz logo

Zilliz

Databases

Managed vector database and vector lakebase for AI applications

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Zilliz has a free tier, so it costs nothing to try first.
  • Each has a real cost: Drift product is being sunset by Salesloft with successor service (1mind) recommended; Zilliz pricing structure not publicly disclosed, requires sales contact
  • They diverge on capability: Drift covers Live chat, Zilliz covers Vector indexing.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Drift and Zilliz actually diverge.

Attributes where Drift and Zilliz differ
AttributeDriftZilliz
Starting price$2500/monthFree
Pricing modelUnknowncontact-sales
Free tierNoYes
PlatformsWebCloud, Self-hosted
CategoryTechnologyDatabases
Founded20152017

Identical on both: 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 Drift

  • Live chat
  • AI chatbots
  • Meeting scheduling
  • Email sequences
  • Visitor intelligence
  • Conversation routing
  • Mobile app
  • Analytics dashboard

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.

Drift

  • Lead qualificationnot Zilliz
  • Meeting bookingnot Zilliz
  • Customer supportnot Zilliz
  • Account-based marketingnot Zilliz
  • Sales accelerationnot Zilliz

Zilliz

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

Where each one falls short

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

Drift

  • Product is being sunset by Salesloft with successor service (1mind) recommended
  • Mandatory bundling within Salesloft increases cost
  • No free tier available
  • Customer support and knowledge base have been deprioritized
  • Limited to enterprise B2B pipeline generation focus

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

Drift

$2500/month

No published plan breakdown. See the Drift review.

Zilliz

Free

No published plan breakdown. See the Zilliz review.

Which should you pick?

Choose Drift if

  • You need live chat.
  • You also want ai chatbots.
Drift 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 Drift or Zilliz better?
Neither clearly leads. Drift starts at $2500/month and Zilliz at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Drift or Zilliz?
Zilliz has a free tier; the other does not. Paid plans start at $2500/month for Drift and Free for Zilliz.
Does Drift or Zilliz run on more platforms?
Drift runs on Web. Zilliz runs on Cloud, Self-hosted.
Can I use Zilliz for free?
Yes. Zilliz has a free tier, so you can try it without paying. Drift starts at $2500/month.
What is Drift best used for?
Drift is most often used for lead qualification, meeting booking, customer support, account-based marketing. Of those, lead qualification and meeting booking are not what Zilliz is typically brought in for.
What can Drift do that Zilliz cannot?
Drift covers Live chat, AI chatbots, Meeting scheduling, Email sequences. Zilliz covers Vector indexing, Distributed architecture, SQL interface, Tensor support.

Answered from the vendors’ own pages

Drift: What is the current status of Drift in 2026?

On March 6, 2026, Clari and Salesloft announced the gradual sunset of Drift's conversational marketing solution, with 1mind named as its exclusive AI successor. Drift remains available but its future is limited.

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
Drift: How much does Drift cost?

Drift pricing starts around $2,500/month ($30,000/year) for Premium chat-only capabilities, with Enterprise plans exceeding $80,000/year. Drift is bundled within Salesloft and billed annually only.

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
Drift: What features come with Drift Premium?

Premium plans include live chat widget, custom chatbot flows, meeting scheduling with calendar integration, basic playbooks, email sequences, and standard integrations.

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
Drift: Does Drift offer a free plan?

No, Drift no longer publicly advertises a free plan as of 2026. All plans require annual billing through Salesloft.

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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