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OpenRouter vs Helicone: catalog facts
OpenRouter	Helicone
Paid Pay-as-you-go pricing per model, with no subscriptions.	Freemium Hosted plans start with a 7-day free trial and no credit card; the open-source code can be…
Web	Web, Self-hosted
One API for over 500 models Automatic fallback between providers	Logs and analyses LLM requests in one place Tracks costs across providers
Adds a third party between you and the model provider Requires an account and prepaid usage	Recently joined Mintlify, so its roadmap is uncertain Hosted version is a paid service after the trial
Web application, Hosted service	Self-hosted, Hosted service
Closed source	Open source
License not stated	License: Apache-2.0
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.