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AI glossary

146 terms explained plainly, in English, French and Arabic.

  • 11 topics
  • English, French and Arabic

11 terms

B

Pricing Batch API A way to submit many requests to be processed within hours instead of instantly, usually at about half price. Pricing Blended price A single comparable price combining input and output rates at an assumed ratio; this site uses 3 input tokens per output token.

C

Pricing Cached input Input tokens served from the prompt cache, billed at a reduced rate.

I

Pricing Input tokens The tokens you send to a model: instructions, conversation history, documents and images. Billed at the input rate.

M

Pricing Model deprecation A provider's announcement that a model will stop being available on a set retirement date, with a recommended replacement. Pricing Model lifecycle The stages a model goes through: preview, generally available, legacy, deprecated and retired.

O

Pricing Output tokens The tokens a model generates, including any reasoning it produces. Usually priced several times higher than input.

P

Pricing Price per million tokens The standard unit for pricing language-model usage, quoted separately for input and output. Pricing Prompt caching Reusing the processed start of a prompt across requests, so repeated content such as a long system prompt or document costs much less.

S

Pricing Subscription vs API pricing Consumer plans charge a flat monthly fee for an app; API access charges per use for developers building their own products. Pricing Successor model The newer model a provider recommends moving to when an older one is deprecated.