OpenRouter vs TrueFoundry: who uses which
Customers, public proof and the companies that use both.
On usedby, 28 companies use OpenRouter and 29 use TrueFoundry. 1 company uses both, including Nvidia. OpenRouter leads among the Artificial Intelligence companies on usedby that use either tool.Latest check Nov 12, 2026: 57 of 57 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 OpenRouter, TrueFoundry, or both
Every company with a public proof for at least one of the two tools.
27
listed for OpenRouter only
1
company uses both
28
listed for TrueFoundry only
On usedby, 27 companies are listed for OpenRouter only, 28 are listed for TrueFoundry only and 1 uses both, out of the 56 companies listed for at least one. An absent listing does not prove non-use.
Where it lands
Recently publicly listed customers
Where it lands
Recently publicly listed customers
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, TrueFoundry |
|---|---|
Nvidia | On or before Oct 2024 |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use OpenRouter, TrueFoundry or both: a share of the companies on usedby, not of the market.
Listed for OpenRouter onlyBothListed for TrueFoundry only
More common with OpenRouter
- Artificial Intelligence8 of the 14 Artificial Intelligence companies on usedby that use either tool use OpenRouter.
- DevTools & Infrastructure9 of the 11 DevTools & Infrastructure companies on usedby that use either tool use OpenRouter.
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: OpenRouter, 2 of 6; TrueFoundry, 4 of 6. Missing facts remain unverified, not absent features.
OpenRouter
TrueFoundryWhat customers report
Results as the vendor or the customer published them, with the source and the date.
OpenRouter

Multiply that by 35k daily players
Pax Historia
Vendor case study, openrouter.ai, captured Oct 31, 2026

TrueFoundry

7+ production services upgraded in <20 minutes, without infra dependencies
Aviva Credito
Vendor case study, truefoundry.com, published Jan 27, 2026

the gateway processed more than 4 million requests across chat completions, responses, embeddings, and MCP calls
FloQast
Vendor case study, truefoundry.com, captured Nov 7, 2026
Questions about OpenRouter and TrueFoundry
Which is used more, OpenRouter or TrueFoundry?
TrueFoundry has more customers on usedby: 29 against 28 for OpenRouter.
Do companies use both OpenRouter and TrueFoundry?
Yes. 1 company uses both on usedby, including Nvidia.
Who uses OpenRouter?
28 companies on usedby, each with the public page that shows it. See who uses OpenRouter.
Who uses TrueFoundry?
29 companies on usedby, each with the public page that shows it. See who uses TrueFoundry.
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.





