Zen · Zoo Labs Foundation

Open models. Yours to run.

Weights published by a 501(c)(3) non-profit, free to self-host.

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Built for

Two jobs.

Agentic coding on your own machine

Long context, tool use and fast decoding.

Marketing work

Copy, campaigns and brand voice, and the images, video and voice behind them.

Generations

Zen 6 now. Zen 7 next.

Zen 7Nobody can call it yet.

Research preview

Zen 6Available now3models Zen 5The run before Zen 66models Zen 3Vision, audio and the specialists8models FoundationCheckpoints to fine-tune from31models

The full Zen catalogue →

Run it

Your machine or Hanzo Cloud.

Download the weights

No key, no meter.

zenlm/zen6 →zenlm/zen6-flash →Source on GitHub →

Call it on Hanzo Cloud

Same key as every other model, metered per token.

"model": "zen6"Get an API key →

Zen is one of three Hanzo model families. Compare them →

Run Zen 6 today.

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