Biyan Documentation

Biyan (彼岩) is a desktop AI client for cloud and OpenAI-compatible model providers. Conversations and settings stay in the Biyan data folder; prompts, attachments, and tool results included in a request are processed by the provider you select.

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Biyan does not download or run local language models. Local model engines, the model Hub, RAG, embeddings, and vector databases are not part of the supported product.

For help, email help@biyan.ai.