# Chai-1

> Chai Discovery's open-weights biomolecular structure prediction model

- Category: [Foundation Models](https://ailandscape.org/category/foundation-models) › Science & Biology Models
- Homepage: https://www.chaidiscovery.com
- Repository: https://github.com/chaidiscovery/chai-lab
- Tags: research, open-weights
- Added to the landscape: 2026-10-09

## Similar tools in Science & Biology Models

- [AlphaFold 3](https://ailandscape.org/tool/alphafold-3): Google DeepMind's biomolecular structure prediction model, weights on request
- [ESM](https://ailandscape.org/tool/esm): Biohub's protein language and structure prediction model family

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Part of [AI Landscape](https://ailandscape.org), an open map of the AI ecosystem. Web page: https://ailandscape.org/tool/chai-1 · Index for AI assistants: https://ailandscape.org/llms.txt