SigNoz vs Speakeasy: who uses which
Customers, public proof and the companies that use both.
On usedby, 52 companies use SigNoz and 47 use Speakeasy. 3 companies use both, including Inkeep, Cisco, and Formance. SigNoz leads among the Artificial Intelligence companies on usedby that use either tool, Speakeasy among the DevTools & Infrastructure companies.Latest check Nov 13, 2026: 99 of 99 public lines checked. Counts include every proof level, job-post signals included. A company on both tools counts at any proof level, and a job post on one side is marked as such.
Who uses SigNoz, Speakeasy, or both
Every company with a public proof for at least one of the two tools.
49
listed for SigNoz only
3
companies use both
44
listed for Speakeasy only
On usedby, 49 companies are listed for SigNoz only, 44 are listed for Speakeasy only and 3 use both, out of the 96 companies listed for at least one. An absent listing does not prove non-use.
Who uses both
Companies with a public line on both tools, at any proof level: the strongest proofs come first, and a job post is marked.
| Company | First public proof, SigNoz | First public proof, Speakeasy |
|---|---|---|
 Inkeep | On or before Nov 2026 | On or before Nov 2026 |
 Cisco | — | — |
 Formance | — | — |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use SigNoz, Speakeasy or both: a share of the companies on usedby, not of the market.
Listed for SigNoz onlyBothListed for Speakeasy only
More common with SigNoz
- Artificial Intelligence6 of the 10 Artificial Intelligence companies on usedby that use either tool use SigNoz, 1 of them alongside Speakeasy.
More common with Speakeasy
- DevTools & Infrastructure8 of the 11 DevTools & Infrastructure companies on usedby that use either tool use Speakeasy.
Source: every usedby line, from confirmed proofs to job-post signals (the weakest proof level).
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Vendor facts checked: SigNoz, 0 of 5; Speakeasy, 3 of 5. Missing facts remain unverified, not absent features.
SigNozSpeakeasyWhat customers report
Results as the vendor or the customer published them, with the source and the date.
SigNoz
save 6 hours of precious developer time on an average daily
Mailmodo
Vendor case study, signoz.io, captured Nov 13, 2026
the backend response time is 35% faster
Outplay
Vendor case study, signoz.io, captured Nov 13, 2026
Speakeasy
We had one developer spending at least 5 hours/week generating new SDKs for every API release.
Formance
Vendor case study, speakeasy.com, captured Nov 12, 2026
8X reduction in expected cost of Terraform Provider
Epilot
Vendor case study, speakeasy.com, captured Nov 12, 2026
Questions about SigNoz and Speakeasy
Which is used more, SigNoz or Speakeasy?
SigNoz has more customers on usedby: 52 against 47 for Speakeasy. SigNoz leads among the Artificial Intelligence companies on usedby that use either tool, Speakeasy among the DevTools & Infrastructure companies.
Do companies use both SigNoz and Speakeasy?
Yes. 3 companies use both on usedby, including Inkeep, Cisco, and Formance.
Who uses SigNoz?
52 companies on usedby, each with the public page that shows it. See who uses SigNoz.
Who uses Speakeasy?
47 companies on usedby, each with the public page that shows it. See who uses Speakeasy.
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 four proof levels: confirmed, declared by the company itself, observed or signal (a job post, the weakest). A company counts as using both tools when it has a line on each, at any level; the list shows the strongest proofs first and marks job posts.