> 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/5.-select-pick-the-model.md).

# 5. Select — pick the model

- [Select (workflow)](https://docs.layerlens.ai/5.-select-pick-the-model/workflow.md): Stage 1 — Select. Review benchmarks, optionally compare candidates side-by-side, pick the model to build with.
- [Catalog](https://docs.layerlens.ai/5.-select-pick-the-model/catalog-public-+-premium.md)
- [Models](https://docs.layerlens.ai/5.-select-pick-the-model/models.md): The LayerLens Models surface — public catalog plus your custom models.
- [Benchmarks](https://docs.layerlens.ai/5.-select-pick-the-model/benchmarks.md): The LayerLens Benchmarks surface — public benchmarks plus your custom benchmarks.
- [BYOK custom models](https://docs.layerlens.ai/5.-select-pick-the-model/byok-custom-models.md): Register an OpenAI-compatible endpoint as a first-class custom model in LayerLens.
- [Research — quarterly reports](https://docs.layerlens.ai/5.-select-pick-the-model/quarterly-reports.md): Q1-Q4 research reports — model performance, benchmark winners, AI evaluation trends.
- [Concepts](https://docs.layerlens.ai/5.-select-pick-the-model/concepts.md)
- [Models and benchmarks](https://docs.layerlens.ai/5.-select-pick-the-model/models-and-benchmarks.md): Models and benchmarks — the building blocks of the LayerLens catalog.
- [BYOK models](https://docs.layerlens.ai/5.-select-pick-the-model/byok-models.md): Bring-your-own-key (BYOK) models in LayerLens — register OpenAI-compatible endpoints as first-class models.