Download

Run OttoTester on your own computer

Free to download and run. Your tests and runs are saved on your own computer.

You need Docker, running, on Windows, Mac (Intel or Apple silicon) or Linux.
At least 12 GB of memory, 16 GB recommended, and 10 GB of free disk space.
Get Docker →
Mac or Linux in Terminal
curl -fsSL https://docs.ottotester.ai/install.sh | bash
Windows in PowerShell
irm https://docs.ottotester.ai/install.ps1 | iex
Your AI models. Use your own key from OpenAI, Anthropic, Google or OpenRouter. Or get them from us: one OttoCloud subscription includes lab-tested, cost-effective models. Running AI models on your own computer is coming soon.

Update

Run ./ottotester update from your install folder to move to the newest release. Your tests and runs are kept. On Windows: .\ottotester.ps1 update.

License

Free for individual developers and testers working for themselves, and for companies of 10 people or fewer, counting contractors, with US $500,000 or less in revenue. Larger companies get one free 30-day trial, then need a license from us.

Read the license →

Docs

Guides for writing tests, connecting your CI, and every setting your copy reads.

Open the docs →

Would you rather we run it for you? Free for 14 days on our hosted service. Nothing to install.

Start Free →

Need a license or support? Enterprise runs inside your own environment, or as a dedicated copy we host just for you.

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