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OpenRouter API Key

Required ~3 minutes

OpenRouter is an API gateway that gives you access to models from Google, Anthropic, OpenAI, and more — all through one API key. OpenMind uses it to power the AI conversation.

What you'll need

- A Google or GitHub account (for sign-up)
- No credit card required — free credits available

Create an Account

Go to openrouter.ai and sign up with Google or GitHub.

It takes 30 seconds. No credit card needed.

Generate an API Key

Go to openrouter.ai/keys.

Click Create Key.

Name it something like OpenMind and click Create.

Your key will look something like:

sk-or-v1-abc123def456...

Copy it immediately — you can't view it again after leaving the page.

Choose a Model

During OpenMind setup, you'll pick your LLM model:

Choose your LLM model

All models below support tool calling (required for OpenMind)

1 xiaomi/mimo-v2-pro — reliable + affordable, $1/$3 per 1M (default)

2 anthropic/claude-sonnet-4-6 — best reasoning, $3/$15 per 1M

3 openai/gpt-5.4 — GPT ecosystem, $2.50/$15 per 1M

4 google/gemini-2.5-pro — 1M context, $1.25/$10 per 1M

Or type any OpenRouter model ID

Enter 1-4 or a model ID (1): 1

Recommendation: Start with xiaomi/mimo-v2-pro (default). Reliable and affordable. You can always switch later with /setup model.

Add Credits (Optional)

New accounts often come with free credits. If you run out, you can add more at openrouter.ai/credits.

Typical costs for a study session:

MiMo V2 Pro (default)

~$0.005–0.02 / session

Claude Sonnet 4.6

~$0.02–0.10 / session

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Security

Your API key is stored locally at ~/.openmind/config.json with restricted permissions. It is sent only to openrouter.ai for model requests. Your conversations pass through OpenRouter to the model provider — see the OpenRouter privacy policy for details.

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