> For the complete documentation index, see [llms.txt](https://docs.layerlens.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.layerlens.ai/12.-support/faq.md).

# FAQ

## What is LayerLens Stratix?

An AI evaluation platform with a public catalog (`stratix.layerlens.ai`), a workspace (`stratix.layerlens.ai`), and a Python SDK.

## Do I need an account to browse models?

No. `stratix.layerlens.ai` is anonymous and free.

## How is pricing structured?

Free tier with starter ECU; Premium pay-as-you-go on ECU; Enterprise custom annual contract. See [Pricing](/12.-support/12-support.md).

## Can I bring my own LLM key?

Yes — register OpenAI-compatible endpoints as [BYOK custom models](/5.-select-pick-the-model/byok-custom-models.md).

## Do you support SSO?

Yes, on Enterprise tier — SAML 2.0 and OIDC.

## What models do you support?

200+ in the public catalog plus any OpenAI-compatible BYOK custom model.

## What's an ECU?

Evaluation Compute Unit — Stratix's billing unit for compute-intensive operations. See [ECU credits concept](/11.-admin/concepts-ecu-credits.md).

## Do you support trace upload?

Yes — see [Traces](/7.-observe-see-whats-happening/traces.md).

## How do I migrate from another tool?

See the [Migration section](/12.-support/12-support.md).

## How do I get help?

[Contact support](/12.-support/contact.md), in-app Assistant, or community channels.


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