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This is the public test network documentation. Everything here runs on Avalanche Fuji with test USDC.

Katara

Chat and build on models served by independent GPU providers. Pay per reply, in USDC, from a wallet you control.

One price per reply

Every reply shows what it cost. There is no subscription and no minimum. A 2% fee on each settled reply funds the network.

Your money stays yours

Funds sit in a wallet only you can spend from. You approve a cap once; each reply then pulls its exact cost. Katara never holds a deposit.

Verified models

A model on Katara is a pinned bundle: the same weights and settings on every provider, checked by validators that probe providers with known prompts.

Always an answer

If no provider can take a request, a managed fallback answers at a published price. The reply says so.