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COMPEL Glossary / token-economics-vdt
Token economics (VDT)
A decomposition of generative-AI inference cost across input tokens, output tokens, context overhead, retrieval tokens, and tool-call tokens — each priced and tracked separately.
What this means in practice
Enables targeted optimisation (prompt caching for context, reranking for retrieval, structured output for generation).
Synonyms
token-cost decomposition , AI inference token economics
See also
- Unit economics — Cost and revenue per atomic unit — per transaction, per successful decision, per hour saved — for an AI feature.
- Prompt caching — An inference optimisation that caches the attention key-value state for a prompt prefix so that subsequent requests sharing the same prefix skip re-processing.
- Compute budget (VDT) — A pre-agreed ceiling on training or inference compute per AI feature per period — expressed in tokens, FLOPs, or dollars.
- FinOps for AI — The FinOps Foundation's Inform-Optimize-Operate lifecycle applied to AI workloads — visibility into AI spend, optimisation of token and compute costs, and operational discipline.