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Butterfish pricing

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Code · Vendor site 2026-10-04

Butterfish Shell is an open-source CLI that adds AI prompting to bash and zsh on macOS and Linux. Commands starting with a capital letter send shell history and context to OpenAI-compatible APIs for explanations, command suggestions, and lightweight agent-style task execution.

Updated 2026-10-04View sources
Official website
Category
Code
Free access
Butterfish is open source under the MIT license; you supply your own OpenAI or compatible API key.
API access
Uses OpenAI or compatible APIs via an API key stored locally after first run.

Understand the total cost

Butterfish pricing & plans

Free

Free

Butterfish is open source under the MIT license; you supply your own OpenAI or compatible API key.

Access
Butterfish is open source under the MIT license; you supply your own OpenAI or compatible API key.

Price history

No retained pricing changes yet. A current price alone does not establish a historical trend.

How this profile is supported

Facts apply to the named version and check date. Send a sourced correction if something changed.

Butterfish pricing questions

Is Butterfish free?

Yes. Butterfish has an ongoing free plan. Butterfish is open source under the MIT license; you supply your own OpenAI or compatible API key.

How much does Butterfish cost?

Butterfish is listed as free. No paid plan with a published price was found.

Does Butterfish have an API?

API or developer access is mentioned. Uses OpenAI or compatible APIs via an API key stored locally after first run.

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