Cost

Select all dimensions that meaningfully drive cost on a managed vector database bill in 2026.

When does inflating the system prompt actually 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?

Bytes, characters, tokens: which one gets billed and how do they relate?

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

Pick Claude Sonnet 4.6 over Opus 4.7, when is that the right call?

Pick the workload where a provider's Batch API beats the realtime endpoint

LoRA vs full FT on 7B + 10k examples: order of magnitude cost comparison

How do Anthropic and OpenAI prompt-cache pricing models work and what counts as a cache hit?

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

Estimate the token cost difference for processing 1M Spanish/French product descriptions vs. an English-only baseline, and describe correct budget planning.

How does tokenizer fertility bias affect cost and context window budget for non-English API users?

Name the three canonical agent stopping conditions and explain why cost cap is the hardest to implement correctly