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Business Intelligence · head to head

ThoughtSpot vs Zilliz

ThoughtSpot logo

ThoughtSpot

Business Intelligence

AI-powered analytics for the modern enterprise

From
$12999/year
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: ThoughtSpot limited chart customization options; font, color, and size customizations for visualizations are restricted; Zilliz pricing structure not publicly disclosed, requires sales contact
  • They diverge on capability: ThoughtSpot covers Natural Language Search, Zilliz covers Vector indexing.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which ThoughtSpot and Zilliz actually diverge.

Attributes where ThoughtSpot and Zilliz differ
AttributeThoughtSpotZilliz
Starting price$12999/yearFree
Pricing modelUnknowncontact-sales
Free tierNoYes
PlatformsWeb, Cloud, On-PremisesCloud, Self-hosted
CategoryBusiness IntelligenceDatabases
Founded20122017

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 ThoughtSpot

  • Natural Language Search
  • SpotIQ AI
  • Liveboards
  • Embedded Analytics
  • Data Modeling
  • Snowflake
  • Databricks
  • BigQuery

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.

ThoughtSpot

  • Self-service analyticsnot Zilliz
  • Data explorationnot Zilliz
  • Ad-hoc reportingnot Zilliz
  • Collaborative analysisnot Zilliz
  • Embedded analyticsnot Zilliz

Zilliz

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

Where each one falls short

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

ThoughtSpot

  • Limited chart customization options; font, color, and size customizations for visualizations are restricted
  • Data modeling setup is complex and requires specialized expertise
  • High implementation costs restrict adoption for smaller organizations
  • Requires quality data and user training to fully realize benefits

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

ThoughtSpot

$12999/year
  • StartupSpot$12999/year
    • Unlimited internal users
    • Up to 50 external customers
  • Essentials$25/per user per month
    • Self-service analytics
  • Pro$50/per user per month
    • Advanced analytics
    • Agentic features

Zilliz

Free

No published plan breakdown. See the Zilliz review.

Which should you pick?

Choose ThoughtSpot if

  • You need natural language search.
  • You work on Web, Cloud, On-Premises.
  • You also want spotiq ai.
ThoughtSpot 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 ThoughtSpot or Zilliz better?
Neither clearly leads. ThoughtSpot starts at $12999/year and Zilliz at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ThoughtSpot or Zilliz?
Zilliz has a free tier; the other does not. Paid plans start at $12999/year for ThoughtSpot and Free for Zilliz.
Does ThoughtSpot or Zilliz run on more platforms?
ThoughtSpot runs on Web, Cloud, On-Premises. 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. ThoughtSpot starts at $12999/year.
What is ThoughtSpot best used for?
ThoughtSpot is most often used for self-service analytics, data exploration, ad-hoc reporting, collaborative analysis. Of those, self-service analytics and data exploration are not what Zilliz is typically brought in for.
What can ThoughtSpot do that Zilliz cannot?
ThoughtSpot covers Natural Language Search, SpotIQ AI, Liveboards, Embedded Analytics. Zilliz covers Vector indexing, Distributed architecture, SQL interface, Tensor support.

Answered from the vendors’ own pages

ThoughtSpot: What is ThoughtSpot's core capability?

ThoughtSpot pioneered search-driven analytics, allowing users to type questions and get charts back instantly without complex setup. This semantic layer approach democratizes data access for business users.

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
ThoughtSpot: What are ThoughtSpot's pricing plans?

ThoughtSpot offers StartupSpot at $12,999 per year for startups, an Essentials plan starting at $25 per user per month, a Pro plan at $50 per user per month, and custom Enterprise pricing for large deployments.

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
ThoughtSpot: Does ThoughtSpot support embedded analytics?

Yes, ThoughtSpot provides embedded analytics capabilities for building data-driven applications, with pricing varying based on deployment model and scale.

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
ThoughtSpot: What is SpotIQ?

SpotIQ is ThoughtSpot's AI-driven anomaly detection feature that automatically identifies interesting patterns and insights in data without manual configuration.

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
ThoughtSpot: Can ThoughtSpot handle complex data models?

While ThoughtSpot excels in self-service BI and intuitive querying, data modeling can be complex and requires expertise to set up properly.

Source
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