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APIs.guru vs OpenRouter Models

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

APIAPIs.guruHEALTHY97OpenRouter ModelsHEALTHY80
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms2661438
P95 · ms14212043
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree and open, no keyFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

APIs.guru vs OpenRouter Models: common questions

Which is more reliable, APIs.guru or OpenRouter Models?

Both are neck-and-neck — APIs.guru and OpenRouter Models 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, APIs.guru or OpenRouter Models?

APIs.guru has the lower median latency in our checks — APIs.guru responds in 266 ms versus OpenRouter Models at 1438 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 APIs.guru and OpenRouter Models need an API key?

Neither needs a paid key — APIs.guru is callable with no signup, and OpenRouter Models is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call APIs.guru and OpenRouter Models from the browser?

Only APIs.guru is browser-friendly — it returns CORS headers over HTTPS. OpenRouter Models needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are APIs.guru and OpenRouter Models free for commercial use?

APIs.guru has unclear commercial terms, and OpenRouter Models 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.