How to Choose Which AI Model Bella Uses in Chat

Bella can run on different AI models. You can choose which model powers your conversations, letting you balance speed, depth, quality, and cost.

Available Models

Free Models

Model	Best for
Grok	Fast responses, expressive style, quick questions
GPT-4.1 Mini	Balanced speed and quality for everyday use
Gemini 2.5 Flash	Fast, multimodal responses
Llama 3.3 70B	Open model, strong general reasoning

Paid Models

Model	Best for
Claude Opus 4.8	Deepest Human Design analysis, most nuanced responses
Claude Sonnet 4.6	High quality with faster responses
ChatGPT 5.2	Strong reasoning and structured explanations
Gemini 2.5 Pro	Advanced multimodal capabilities
MiniMax M2.7	Efficient for longer conversations

Paid models use your AI credit balance. Check your balance on the Usage page before switching to a paid model.

How to Change the Model

1. Open any chart and go to the Bella chat area.
2. Look for the model selector near the message input (a dropdown or icon).
3. Click to open the model list.
4. Choose your preferred model.

Your choice applies to all future messages in that session. You can switch models mid-conversation at any time.

Tips

• Start with a free model for quick questions.
• Switch to Claude Opus 4.8 for deep chart analysis or complex interpretations.
• Different models may give slightly different interpretations of the same chart.