Cost

PremiumWhich is the right…

After a cross-encoder reranker was added on every query, costs doubled: keep the quality, cut the bill

Calculate the prompt token count before and after context compression

At what point does self-hosting on vLLM beat a managed LLM API?

PremiumHow does semantic caching…

What does prefix caching store, and which workloads benefit most?

A timestamp at the top of every prompt tanks the cache hit rate: find the mistake

Is trimming the prompt usually the biggest cost lever on a chat endpoint?

Select the levers that cut output token spend without hurting answer quality

PremiumDesign a routing tier…

Which signal best decides when to escalate a query to a larger model?

Price this call: 1,500 input tokens and 600 output tokens on a given rate card

When an async batch API beats the real time endpoint

Select all dimensions that meaningfully drive cost on a managed vector database bill.

When does inflating the system prompt lower cost per call?

'Prompt caching cuts our bill by 90 percent across the board', what's overclaimed?

A teammate randomized system prompts per user and expects the prompt cache to still help, what's wrong?

Greedy decoding and temperature sampling: does one cost more per token than the other?

Which of bytes, characters, or tokens does an LLM API charge you for, and how do the three relate?

Why does a reasoning model like DeepSeek V4 quietly inflate the output token bill?

When is Claude Sonnet 4.6 the right choice over Opus 4.7?

PremiumFor which workload does…

What is the order of magnitude cost comparison of LoRA vs full FT on 7B plus 10k examples?

PremiumHow do Anthropic and…

Which prompt construction pattern is most likely to hit the provider's prompt cache?