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Fella is BYOK-only. It supports hosted Ollama Cloud, OpenAI, gateway choices, and custom OpenAI-compatible endpoints. Switching providers changes where prompts and tool results are sent, but not the local ingestion engine or verification code.

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Ollama Cloud

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Use Ollama Cloud

1

Create an Ollama Cloud key

Get a key from Ollama Cloud, then enter it through the command below. Fella uses Ollama Cloud’s hosted Ollama API.
2

Select a hosted model

Run /model to list the text-generation models returned for your account, then select one with /model <name>.

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Hosted providers

1

Connect a provider

If you have connected to a single provider before, run the following:
If you have connected to multiple providers before, specify the provider:
Fella masks the key entry and stores it locally. /auth shows connection status.
2

Choose a model

/model lists up to 60 models returned by the provider and offers filtering as you type. Provider catalogues drift, so the live list is the source of truth when the provider exposes one.

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Custom endpoint

custom uses the OpenAI /chat/completions wire format. Fella redacts recognized secret-bearing command lines from the transcript. Do not paste keys into ordinary questions or commit them to a repository.

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Provider and tab behavior

Provider credentials and the active provider are shared by the app. Each conversation tab can select a different model with /model <name>. A new tab inherits the current model. Changing the provider or base URL clears per-tab selections so a stale model ID is not reused.

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Credential storage

Provider API keys live in auth.json in Fella’s application data directory with mode 0600 where supported. They are not stored in the SQLite settings database, browser storage, or archived transcripts. The inert /mcp command stores no connector tokens.

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Embeddings are not required

Document search uses local grep_files and read_file, not embeddings. PDFs and notes therefore work the same with providers that do not expose an embeddings endpoint.
A hosted provider may see the prompt and tool results sent to it. Review its retention and privacy terms before using it with sensitive files.

Privacy and security

Review provider traffic, credentials, and local execution limits.

Manage sessions

Use a different model in each conversation tab.