Pinecone vs Zilliz: who uses which
Customers, public proof and the companies that use both.
On usedby, 57 companies use Pinecone and 19 use Zilliz. No company is listed with both yet. Pinecone leads among the Artificial Intelligence companies on usedby that use either tool.Latest check Oct 6, 2026: 75 of 76 public lines checked. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side.
Who uses Pinecone, Zilliz, or both
Every company with a public proof for at least one of the two tools.
57
use only Pinecone
0
companies use both
19
use only Zilliz
57 companies use only Pinecone, 19 use only Zilliz and 0 use both, out of the 76 companies on usedby that use at least one of them.
Where it lands
Newest customers
We have not started tracking changes for Pinecone yet.
Where it lands
Newest customers
No new customer since tracking started on October 6, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Pinecone, Zilliz or both: a share of the companies on usedby, not of the market.
Pinecone onlyBothZilliz only
More common with Pinecone
- Artificial Intelligence6 of the 9 Artificial Intelligence companies on usedby that use either tool use Pinecone.
- DevTools & Infrastructure4 of the 5 DevTools & Infrastructure companies on usedby that use either tool use Pinecone.
- Sales Tech & CRM3 of the 5 Sales Tech & CRM companies on usedby that use either tool use Pinecone.
Source: confirmed and observed usedby lines. Job-post signals, the weakest proof level, are left out of these shares.
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Pinecone
ZillizWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Pinecone

CustomGPT.ai grew to over 10,000 paying customers, each running custom GPT projects built on their own data
CustomGPT.ai
Vendor case study, pinecone.io, captured Oct 3, 2026

Since the transition, Gong's team has experienced a remarkable 10x reduction in costs.
Gong
Vendor case study, pinecone.io, captured Oct 3, 2026
Zilliz

Recall returns in under 200ms on average and under 800ms at P99
Plaud
Vendor case study, zilliz.com, captured Oct 6, 2026

Read AI has achieved a 5× speedup in agentic search across diverse data sources
Read AI
Vendor case study, zilliz.com, captured Oct 6, 2026
Questions about Pinecone and Zilliz
Which is used more, Pinecone or Zilliz?
Pinecone has more customers on usedby: 57 against 19 for Zilliz.
Do companies use both Pinecone and Zilliz?
usedby has not found a company with a confirmed or observed line on both Pinecone and Zilliz yet.
Who uses Pinecone?
57 companies on usedby, each with the public page that shows it. See who uses Pinecone.
Who uses Zilliz?
19 companies on usedby, each with the public page that shows it. See who uses Zilliz.
How does usedby count customers?
A company counts when a public page shows it: a vendor's customer page, a case study, a press release or a job post, most saved with a dated capture. Every line is a customer, at one of three proof levels: confirmed, observed or signal (a job post, the weakest). A company is named as using both tools when its lines on both are confirmed or observed.