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Credits

NagaAI bills in credits. One credit costs one US dollar. You buy credits in advance and each request spends them. There is no subscription, and credits do not expire.

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What a request costs

Each model has prices per unit in pricing of /v1/models and on its page at naga.ac/models. Most chat models charge per token: Writing to a provider’s prompt cache costs nothing extra. Image, audio and speech models also have prices per image token, per audio token, per hour of audio or per character. The fields for each model are in its pricing object. For example, claude-sonnet-5 costs 1e-06 credits per input token and 5e-06 per output token. A request with 2,000 input tokens and 500 output tokens costs 2,000 × 0.000001 + 500 × 0.000005 = 0.0045 credits. Token counts for a request are in its usage object. The response does not include the cost. Spend per day, model and key is in the dashboard and in /v1/account/activity.

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When NagaAI charges

  • NagaAI charges a request after its answer reaches you, at the price of the model you requested.
  • NagaAI does not charge a request that fails, nor attempts at providers that failed before another one answered.
  • NagaAI does not charge a stream that fails midway.
  • If your client disconnects, NagaAI still finishes the work and charges the full request. This holds for streams and for image, audio, embedding and moderation requests.
  • An answer cut short by max_tokens costs the tokens it used.
  • Models whose id ends in :free cost nothing.

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Paying

Top up on the Credits page with Top Up Balance. One top-up is between 5and5 and 5,000. NagaAI adds the credits when the payment completes. A refund or chargeback on a card, PayPal or CoinGate payment removes the credits it paid for, which can take the balance below zero. Low balance alerts. On the Credits page you can set a threshold. NagaAI emails you when the balance falls below it. Organizations. Each organization has its own balance and keys. Credits bought in an organization are spent only by its keys. See Account. Refunds. Support reviews requests to refund unused credits case by case, within 14 days of the purchase.