AI Models Powering ChatLab
ChatLab utilizes some of the most advanced AI models available today to provide a superior chatbot experience. These models include various versions of OpenAI's GPT and Google's Gemini. Each model offers unique strengths tailored to different needs and budgets.
Choosing Your AI Model
From the main ChatLab administration page, go to Chatbots, click on selected chatbot, select the Settings tab, then click Model & Advanced in the sidebar. Here you can select between various OpenAI and Google Gemini AI models from the Model dropdown.
Model selection is available on Standard and Premium plans. Free and Basic plan users use the default model.
OpenAI Models
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GPT 5.1 (5 credits per message): The latest and most capable OpenAI model with superior reasoning and accuracy. Best choice for complex tasks requiring deep understanding.
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GPT 5 (5 credits per message): A powerful model with excellent performance across a wide range of tasks. Great for e-commerce integrations and backend systems.
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GPT 5 Mini (1 credit per message): A fast and cost-efficient version of GPT-5. Default choice for new bots, offering a strong balance between quality and cost.
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GPT 4.1 (5 credits per message): An advanced model with enhanced accuracy and reasoning. Well-suited for tasks needing deeper understanding and reliability.
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GPT 4.1 Mini (1 credit per message): A lightweight, faster version of GPT-4.1, providing a solid balance between speed and intelligence for everyday tasks.
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GPT 4o (5 credits per message): OpenAI's multimodal model offering top-tier performance at a competitive cost. Note: does not support dynamic suggested questions or products view features.
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GPT 4o Mini (1 credit per message): Fast and affordable OpenAI model, perfect for general-purpose interactions. Note: does not support dynamic suggested questions or products view features.
Google Gemini Models
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Gemini 3 Pro (10 credits per message): Google's most intelligent model with breakthrough reasoning capabilities. Tops the LMArena Leaderboard and excels at complex problem-solving, multimodal understanding (text, images, audio, video, PDFs), and coding tasks. Features a 1M token context window.
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Gemini 2.5 Pro (10 credits per message): A powerful alternative to GPT models, performs well in coding and structured data tasks.
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Gemini 2.5 Flash (1 credit per message): Google's fast and efficient model, engineered for a superior balance of speed, efficiency, and strong performance.
Note: Gemini models and GPT-4o models do not support dynamic suggested questions and products view features. If you have these features enabled and switch to an incompatible model, they will be automatically disabled.
Which Model Should I Choose?
- Best value for most use cases: GPT 5 Mini (1 credit) - fast, affordable, default for new bots
- Best quality (OpenAI): GPT 5.1 (5 credits) - highest accuracy and reasoning
- Best quality (Google): Gemini 3 Pro (10 credits) - top-tier reasoning and multimodal understanding
- Budget-friendly with Google AI: Gemini 2.5 Flash (1 credit) - fast and efficient
- E-commerce and integrations: GPT 5 or GPT 4.1 (5 credits) - reliable for API functions and product data