Donbrico Autofill AI works best when you connect your own AI provider. Here is how to get your keys from the most popular services.
Groq runs open-source models on custom silicon (LPUs) — the result is remarkably fast inference. The free tier is generous enough for everyday autofill use at no cost.
Go to console.groq.com and click Sign up. Groq supports Google, GitHub, and email signup. No credit card is required for the free tier.
In the left sidebar, click API Keys. Click Create API Key, enter a name like "Donbrico", and click Submit.
Open the extension popup → Settings → AI Provider → Groq. Paste your key and save.
| Model | Speed | Free tier? |
|---|---|---|
| Llama 3.1 8B Recommended | Extremely fast | Yes |
| Llama 3.1 70B | Fast | Yes (lower limit) |
| Mixtral 8x7B | Fast | Yes |
OpenRouter is a unified gateway to over 100 AI models — including GPT-4o, Claude, Llama, Mistral, and many more — through a single API key. Several models are permanently free with no credit card required.
Visit openrouter.ai and click Sign In. OpenRouter supports Google and GitHub sign-in, or you can use an email address.
Go to Credits in your account and top up if you want to use paid models like GPT-4o or Claude. For free models only, no payment is needed.
Go to Keys in the top navigation. Click Create Key, name it "Donbrico", and copy the key — it begins with sk-or-…
Open the extension popup → Settings → AI Provider → OpenRouter. Paste your key, choose your preferred model, and save.
| Model | Notes | Cost |
|---|---|---|
| Llama 3.1 8B Instruct (free) Recommended | Fast, reliable free option | Free |
| Mistral 7B Instruct (free) | Good for structured outputs | Free |
| GPT-4o mini (via OpenRouter) | Premium quality | Pay-as-you-go |
| Claude 3.5 Haiku (via OpenRouter) | Premium quality | Pay-as-you-go |
Anthropic's Claude models are known for following instructions precisely — ideal for generating well-structured cover letters and professional answers.
Visit console.anthropic.com and click Sign up. You can use Google or an email address.
From the Console dashboard, go to Settings → Billing. Click Add credit card and complete the form. Anthropic is pay-as-you-go with no monthly fee.
In the left sidebar, click API Keys. Click Create Key, name it "Donbrico", and copy the key — it starts with sk-ant-…
Open the extension popup → Settings → AI Provider → Anthropic. Paste your key and save.
| Model | Speed | Cost (approx. per autofill) |
|---|---|---|
| Claude 3.5 Haiku · Claude 3.5 Sonnet | Very fast | ~$0.001 |
| Claude 3.5 Sonnet | Moderate | ~$0.006 |
OpenAI is the most widely used provider. GPT-4o mini is fast, accurate, and costs fractions of a cent per autofill.
Go to platform.openai.com and sign up. You can use Google, Microsoft, or email.
Navigate to Settings → Billing → Add payment method. OpenAI requires a credit card before generating API keys. You will only be charged for actual usage — new accounts receive $5 in free credits.
Go to API Keys in the left sidebar (or visit platform.openai.com/api-keys). Click Create new secret key, give it a name like "Donbrico", and click Create secret key.
Open the Donbrico Autofill AI popup → Settings → AI Provider → OpenAI. Paste your key (it starts with sk-…) and click Save.
| Model | Speed | Cost (approx. per autofill) |
|---|---|---|
| GPT-4o mini Recommended | Fast | ~$0.001 |
| GPT-4o | Moderate | ~$0.005 |
| Provider | Free tier? | Card required? | Best for | Key prefix |
|---|---|---|---|---|
| Groq | Yes ✓ | No | Fastest responses, no cost | gsk_… |
| OpenRouter | Yes ✓ | No (free models) | Flexibility, free models | sk-or-… |
| Anthropic | No | Yes | Precise instruction-following | sk-ant-… |
| OpenAI | $5 credit on signup | Yes | Best overall quality | sk-… |
No API key needed at all — if your computer supports it, Gemini Nano runs directly in Chrome for free with complete privacy.
Check Gemini Nano compatibility →