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

# Varne

> Infrastructure cost tooling from Narev. Read the Varne v0 documentation while v1 is in development.

![Close-up of a painted hand wearing a gold ring against embroidered fabric, with vivid orange and teal neon highlights.](https://mintcdn.com/narev/R2v6PexAUeeLUXE0/images/art/neon-details/varne-vivid.webp?fit=max\&auto=format\&n=R2v6PexAUeeLUXE0\&q=85\&s=0f8f127005683782157690f66d2802cd)

Varne is Narev's free, open source infrastructure cost tool. It helps you bring infrastructure COGS into your understanding of AI costs.

## Documentation versions

> **[Varne v0](https://www.narev.ai/docs/varne/v0/index.md)**
>
> Existing deployment, provider connections, billing imports, and FOCUS format guides.

> **[Varne v1 development](https://github.com/narevai/varne)**
>
> Follow the developing v1 implementation. Its README and setup can differ from v0.

> [!NOTE]
>
> **Varne v1 is in development.** The guides in the v0 section describe Varne v0. Use the commands, images, and configuration for that version together. Do not combine them with setup from the developing v1 branch.

For app-level model usage, see [AI-billing](https://www.narev.ai/docs/ai-billing/index.md). For catalog-based inference estimates, see the [Pricing API](https://www.narev.ai/docs/pricing-api/index.md).


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