Model Selection

Constanta supports several AI models. The model choice affects response quality and cost.

Available Models

Model	Description	Recommendation
Google Gemini 2.5 Flash	Fast and economical model from Google	Default, suitable for most tasks
Google Gemini 1.5 Pro	Advanced model with improved understanding	Complex consultations
OpenAI GPT-4o	Powerful model from OpenAI	High response quality
OpenAI GPT-4.1	Improved version of GPT-4	Complex tasks
Claude Sonnet 4	Model from Anthropic	Long texts, analysis

How to Select a Model

1. Open the AI Agents section

2. Select an agent

3. Go to the Main tab

4. Find the Model field

5. Select the desired model from the list

6. Click Save

Selection Recommendations

For Standard Tasks

Google Gemini 2.5 Flash — optimal balance of speed, quality, and cost.

Suitable for:

• Answering typical questions

• Product consultations

• Order processing

For Complex Consultations

Google Gemini 1.5 Pro or OpenAI GPT-4o — better understand context and nuances.

Suitable for:

• Technical support

• Complex sales

• Negotiations

For Working with Large Texts

Claude Sonnet 4 — works well with long documents.

Suitable for:

• Document analysis

• Working with knowledge base

• Long dialogues

Cost Impact

Different models have different costs per response:

• Gemini Flash — most economical

• GPT-4o, Gemini Pro — medium cost

• GPT-4.1, Claude — above average

The exact cost depends on the length of the request and response.