# Umbra (tryumbra.dev)

Serves open-weight and community models from idle Apple silicon Macs through an OpenAI-compatible API, with prompts decrypted only in process memory.

- Atlas card: https://inite.ai/en/atlas/tryumbra.dev
- Site: https://tryumbra.dev
- For: Developers and Mac owners who need private inference on uncensored or community Hugging Face models.
- Use 15/100 · alive 73/100

## Used for

- Draft confidential documents with an uncensored model
- Point an existing OpenAI client at community models
- Run fine-tuned Hugging Face models on Apple silicon

## Price

- from 0.03 USD/usage, no free plan (read 2026-10-22 on https://tryumbra.dev/pricing/)

## For developers

- Status page: https://tryumbra.dev/status
- Read 2026-10-22

## Your data

- Certifications stated: none
- Read 2026-10-22

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Source: INITE Atlas, https://inite.ai/en/atlas/tryumbra.dev. JSON: https://inite.ai/api/atlas/tryumbra.dev. MCP: https://inite.ai/api/mcp (atlas_lookup).