AI Providers, API Keys & Costs

Compare OpenAI, Google Gemini, Mistral, and OpenRouter so you can pick the right AI provider to power PurioChat.

Step-by-step guide to creating an OpenAI API key, adding billing, and connecting it to PurioChat’s API Configuration.

Step-by-step guide to creating a free Google Gemini API key in Google AI Studio and connecting it to PurioChat, including why you should enable billing to avoid rate limits.

Step-by-step guide to creating a Mistral API key at console.mistral.ai and connecting it to PurioChat, with notes on its EU-hosted, GDPR-friendly infrastructure.

Create an OpenRouter API key, add the $5 minimum balance, paste it into PurioChat, and use one key and one balance to reach 30+ AI models from many vendors.

What happens when you switch AI providers in PurioChat — a default model is auto-selected, your embeddings are cleared, and you need to re-train your content.

How PurioChat’s bring-your-own-key model works, a real cost-per-1,000-messages comparison across providers, and the settings you can use to keep your AI bill low.

Choose your AI provider, add and test your API key, pick chat and embedding models, and switch providers safely.

Set a global hourly cap on API calls and per-IP message limits to protect your site from runaway costs and abuse.