Agent builders give product and engineering teams more control over prompts, workflows, integrations, channels, and deployment. That flexibility can require more implementation work than a packaged support product. Compare the runtime, testing tools, knowledge layer, observability, and deployment options.
Questions to ask
How much can be configured without custom code?
What testing and observability are included?
Can the agent use your own APIs and business logic?
Free plan; Plus $189/month with 250 conversations and $25 AI usage; Team $939/month with 1,500 conversations and $150 AI usage (USD, billed monthly). Enterprise and managed deployments are quoted.
Free plan; Hobby $40/month (700 message credits), Standard $150/month (4,000), Pro $500/month (15,000), billed monthly in USD. Enterprise is custom-priced.
Standard $99/month with 10 agents and 1,000 queries; Premium $499/month with 25 agents and 5,000 queries (USD, billed monthly). Enterprise is custom-priced.
AI support and knowledge automation platform that turns business content into answers and actions for customers and employees across chat, voice, and connected tools.
Fit & categories
Best for: Support, documentation, operations, and sales teams that want to answer questions, complete customer requests, and make company knowledge useful across chat and voice; also agencies delivering and managing client AI agents.
AI support agentsknowledge-base chatbotinternal knowledgeAI agent buildervoice agents
Free plan; Personal $49/month, Standard $149/month, Business $499/month (USD, billed monthly). Standard adds voice agents (beta), Skills, and Stripe actions; Enterprise is custom-priced.
Custom quote; no public monthly price. Its enterprise contact-center deployment is likely to require a higher budget than self-serve tools; confirm with a quote.
Pay as you go: advertised voice range $0.07–$0.31/minute and chat from $0.002/message (USD). No base subscription commitment; selected models, telephony and add-ons can increase the total. Enterprise is quoted.
Starter $59/month, Growth $129/month, Scale $429/month (USD, billed monthly). Includes up to 4,000 / 10,000 / 40,000 messages respectively with GPT-4.1 mini; larger models use more allowance. Enterprise is quoted.
Pay as you go: $0.05/minute for call hosting or $0.005/message for SMS/chat hosting (USD), plus model, speech and transport-provider charges. These are platform fees, not the full cost of a call.
No current public monthly rate. Agency and partner users can start a free trial; business deployments require a pricing discussion. A managed enterprise deployment is likely to require a higher budget than a self-serve chatbot; confirm with a quote.
Inclusion is not a recommendation. Confirm pricing, security, integrations, and fit directly with each vendor.
Before you decide
Agent builders: buying questions
When is an agent builder a better fit than a packaged tool?
Consider a builder when you need custom logic, APIs, deployment channels, or reusable client configurations. Include the time required to build, test, monitor, and maintain the agent when comparing it with a packaged support product.
Can a no-code AI agent builder still require developers?
Yes. A visual editor can simplify conversation design while custom authentication, APIs, data permissions, and production monitoring still require technical work. Prototype your hardest integration first and ask who will maintain it when a connected system changes.
