> ## Documentation Index
> Fetch the complete documentation index at: https://narev.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Guides - Index

> Step-by-step guides for cutting LLM costs, choosing models, benchmarking quality, and rolling out usage-based billing with the Narev platform.

## All Guides

### DeepSeek v4

* [Calculate DeepSeek V4 Pricing](/docs/guides/deepseek-v4-pricing)

### Optimization strategies

* [How to choose an LLM](/docs/guides/how-to-choose-llm-model)
* [How to choose an LLM (with labels)](/docs/guides/how-to-choose-llm-model-with-labels)
* [Reduce LLM spend by switching models](/docs/guides/reduce-cost-by-model-switch)
* [Reduce LLM spend by prompt engineering](/docs/guides/reduce-cost-by-prompt-engineering)

### FinOps for AI series

A comprehensive series on bringing financial accountability to the variable spend of AI.

* [FinOps for AI: Introduction](/docs/guides/finops-for-ai/index)
* [Step 1: Visibility](/docs/guides/finops-for-ai/step-1)
* [Step 2: Optimization](/docs/guides/finops-for-ai/step-2)
* [Step 3: Governance](/docs/guides/finops-for-ai/step-3)