Free
$0Free plan available.
B12 is an AI website builder that allows users to instantly generate personalized websites. It provides tools to sell services and get paid, enabling users to serve clients online. B12 offers features like blogging, third-party integrations, on-page SEO, website conversion tools, client intake forms, contact manager, email marketing & automation, online scheduling, payments & invoicing, and contracts & eSignatures.
Describe your business and website requirements, or use a provided prompt. The AI will generate a personalized website in 60 seconds. Launch your site for free and utilize the built-in tools to grow your business.
You can instantly generate a personalized website using AI, sell your services, accept payments online, manage client interactions, and use AI tools to improve your business efficiency.
B12 provides a free launch option, allowing you to begin using the platform without upfront costs. Please note that certain advanced features and tools may require a paid subscription.
Free plan available.
Use these comparison pages to understand the trade-offs between the models most relevant to B12.
Compare GPT 5.4 and GPT 5.4 Pro across pricing, context window, capabilities, benchmarks, and API access to choose the better fit for long-context workloads versus long-context workloads.
Compare GPT 5.5 and GPT 5.4 across pricing, context window, capabilities, benchmarks, and API access to choose the better fit for long-context workloads versus long-context workloads.
Compare GPT 5.5 and Claude 4.6 Opus across pricing, context window, capabilities, benchmarks, and API access to choose the better fit for long-context workloads versus long-context workloads.
Compare GPT 5.5 and Claude 4.6 Sonnet across pricing, context window, capabilities, benchmarks, and API access to choose the better fit for long-context workloads versus long-context workloads.
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