OpenRouter Models vs VATlayer

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms1438473
P95 · ms20432118
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

OpenRouter Models vs VATlayer: common questions

Which is more reliable, OpenRouter Models or VATlayer?

Both are neck-and-neck — OpenRouter Models and VATlayer each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, OpenRouter Models or VATlayer?

VATlayer has the lower median latency in our checks — OpenRouter Models responds in 1438 ms versus VATlayer at 473 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do OpenRouter Models and VATlayer need an API key?

OpenRouter Models needs no key, while VATlayer requires a free API key. If you want to start calling without signup, reach for OpenRouter Models first.

Can I call OpenRouter Models and VATlayer from the browser?

Neither sends browser-friendly CORS headers reliably, so call OpenRouter Models and VATlayer from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are OpenRouter Models and VATlayer free for commercial use?

OpenRouter Models has unclear commercial terms, and VATlayer has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.