Model Configuration

Configure AI providers and models for the AI Assistant.

Accessing Model Settings

1. Go to Options > AI Assistant > Models
2. Or click the model selector in the chat panel and select "Model Settings"

Configuring a Provider

Step 1: Select a Provider

Click on any provider card to expand its settings:

• OpenAI - GPT models
• Google - Gemini models
• Anthropic - Claude models
• DeepSeek - DeepSeek models
• Qwen - Alibaba Cloud models
• OpenRouter - Multi-model gateway
• Chrome Built-in - Browser's local AI

Step 2: Enable the Provider

Toggle the Enable switch to activate the provider.

Step 3: Configure API Key

1. Enter your API key in the API Key field
2. Click Save Configuration

API Key Security

• API keys are encrypted and stored locally only
• Keys are never sent to our servers
• Keys are not synced to cloud

Step 4: Configure Custom Endpoint (Optional)

If you need to use a proxy or custom endpoint:

1. Enter the endpoint URL in the API Endpoint field
2. Leave empty to use the default endpoint

Getting API Keys

OpenAI

1. Visit OpenAI Platform
2. Sign in or create an account
3. Click "Create new secret key"
4. Copy the key and paste into VertiTab

Google (Gemini)

1. Visit Google AI Studio
2. Sign in with your Google account
3. Click "Create API Key"
4. Copy the key and paste into VertiTab

Anthropic (Claude)

1. Visit Anthropic Console
2. Sign in or create an account
3. Go to API Keys section
4. Create a new key and paste into VertiTab

DeepSeek

1. Visit DeepSeek Platform
2. Sign in or create an account
3. Navigate to API Keys
4. Generate a new key and paste into VertiTab

OpenRouter

1. Visit OpenRouter
2. Sign in or create an account
3. Create an API key
4. Paste into VertiTab

Key-Free Experience

Some models support a trial experience without configuring your own API key:

• Limited daily usage quota
• Usage is tracked per account/device
• Rate-limited for fair usage

Quota Limits

• Guest Users: Limited daily quota
• Free Users: Extended daily quota (requires sign-in)
• Premium Users: Higher quota + BYOK support

For unlimited usage, configure your own API key.

Model Capabilities

Each model has different capabilities:

Capability	Description
Streaming	Real-time response output
Tool Calling	Browser operation support (Agent mode)
JSON Schema	Structured output support

Model Recommendation

For Agent mode, choose models with Tool Calling capability for the best experience.

Adding Custom Models

Add a Model to Existing Provider

1. Go to provider settings
2. Click Add button in Available Models section
3. Fill in model details:
   • Model ID: The API model identifier
   • Display Name: Name shown in the UI
   • Context Window: Maximum token limit
   • Capabilities: Select supported features
4. Click Add Model

Add a New Provider

1. Scroll to the bottom of providers list
2. Click Add Provider
3. Fill in provider details:
   • Provider ID: Unique identifier
   • Display Name: Name shown in the UI
   • Provider Type: Select base type (OpenAI compatible, etc.)
   • API Endpoint: Custom endpoint URL
4. Click Add
5. Configure API key and add models

Default Model Selection

Set your preferred default model for new sessions:

1. Go to Options > AI Assistant > Basic Settings
2. Find Default AI Provider and select a provider
3. Find Default Model and select a model

Troubleshooting

API Key Not Working

1. Check if the key is correctly copied (no extra spaces)
2. Verify the key has proper permissions
3. Check if the provider account has credits/quota
4. Try regenerating a new API key

Model Not Available

1. Ensure the provider is enabled
2. Check if the model ID is correct
3. Verify your API key has access to the model

Slow Responses

1. Check your internet connection
2. Try a different model
3. Consider using a streaming-enabled model
4. Check provider status pages for outages