openzoo

5.22× cheaper than direct

Every call is settled on chain from your own wallet at the price quoted before it runs. No account, no API key, no subscription, and nothing prepaid. Large inputs are bound to holographic memory once and answered by retrieval, so you stop paying to re-send the same context every turn.

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These are one caller's own settled figures, not an average. What you save depends on the models you use and how much context you re-send.