Pinecone vs Weaviate: who uses which
Customers, public proof and the companies that use both.
On usedby, 57 companies use Pinecone and 60 use Weaviate. 1 company uses both, including Cisco. Pinecone leads among the Artificial Intelligence companies on usedby that use either tool, Weaviate among the Fintech & Payments companies.Latest check Oct 8, 2026: 105 of 117 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, Weaviate, or both
Every company with a public proof for at least one of the two tools.
55
use only Pinecone
1
company uses both
58
use only Weaviate
55 companies use only Pinecone, 58 use only Weaviate and 1 uses both, out of the 115 companies on usedby that use at least one of them.
1 more company is listed for both, with a job post on one side: not counted as using both.
Where it lands
Newest customers
No new customer since tracking started on October 8, 2026.
Where it lands
Newest customers
We have not started tracking changes for Weaviate yet.
Who uses both
Companies with a confirmed or observed line on both tools.
| Company | First public proof, Pinecone | First public proof, Weaviate |
|---|---|---|
 Cisco | On or before Oct 2024 | On or before Sep 2025 |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Pinecone, Weaviate or both: a share of the companies on usedby, not of the market.
Pinecone onlyBothWeaviate only
More common with Pinecone
- Artificial Intelligence6 of the 11 Artificial Intelligence companies on usedby that use either tool use Pinecone.
- Data & Analytics3 of the 5 Data & Analytics 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.
More common with Weaviate
- Fintech & Payments5 of the 7 Fintech & Payments companies on usedby that use either tool use Weaviate.
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.
PineconeWeaviateWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Pinecone
a 20% reduction in AHT for voice calls
TaskUs
Vendor case study, pinecone.io, captured Oct 8, 2026
a ~95% reduction of time, freeing up human agents to focus on more complex issues
Assembled
Vendor case study, pinecone.io, captured Oct 8, 2026
Weaviate
Weaviate outperformed OpenSearch by 20x at scale and with 40% lower operational costs
Booking.com
Vendor case study, weaviate.io, captured Oct 2, 2026
Delegance holds $20M in premium under management across 40 accounts
Delegance
Vendor case study, weaviate.io, captured Oct 2, 2026
Questions about Pinecone and Weaviate
Which is used more, Pinecone or Weaviate?
Weaviate has more customers on usedby: 60 against 57 for Pinecone. Pinecone leads among the Artificial Intelligence companies on usedby that use either tool, Weaviate among the Fintech & Payments companies.
Do companies use both Pinecone and Weaviate?
Yes. 1 company uses both on usedby, including Cisco.
Who uses Pinecone?
57 companies on usedby, each with the public page that shows it. See who uses Pinecone.
Who uses Weaviate?
60 companies on usedby, each with the public page that shows it. See who uses Weaviate.
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.