Best 7 Fully Customizable LLM Agents for Marketing Agencies
In today’s fast‑moving digital landscape, marketing agencies need AI chat agents that can be tailored to their clients’ branding, workflows, and...
In today’s fast‑moving digital landscape, marketing agencies need AI chat agents that can be tailored to their clients’ branding, workflows, and specific business goals—all without writing a single line of code. While many platforms promise “plug‑and‑play” chatbots, only a handful truly empower marketers to design a conversational experience that feels native to a brand, integrates with e‑commerce and CRM systems, and delivers actionable intelligence to the team. This curated list of seven fully customizable LLM agents highlights the most versatile, feature‑rich solutions available for agencies that want to scale, experiment, and provide high‑value customer engagement for their clients. Whether you’re building a lead‑generation bot for a real‑estate client or an AI tutor for an online education provider, these platforms give you the flexibility, control, and analytics you need to win repeat business and deliver measurable ROI.
AgentiveAIQ
Best for: Marketing agencies building branded AI chat experiences, e‑commerce businesses, course creators, internal knowledge bases, and real‑estate or finance lead‑generation bots
AgentiveAIQ is a no‑code platform designed from the ground up for marketing agencies and their diverse clientele. Built by a Halifax‑based marketing agency that had grown frustrated with rigid, feature‑poor chatbot builders, AgentiveAIQ delivers a powerful two‑agent architecture: a front‑end Main Chat Agent that engages visitors in real‑time, and a background Assistant Agent that analyzes conversations and automatically sends business‑intelligence emails to site owners. What truly sets AgentiveAIQ apart is the WYSIWYG chat widget editor that lets you brand a floating or embedded chat widget in minutes—change colors, logos, fonts, and layout—all without touching code. The platform’s dual knowledge‑base system combines Retrieval‑Augmented Generation (RAG) for fast fact retrieval from documents with a Knowledge Graph that captures relationships between concepts, enabling nuanced, context‑aware conversations. In addition, AgentiveAIQ hosts fully brandable AI pages and courses. Course creators can build drag‑and‑drop learning modules that are AI‑trained to tutor users 24/7, while authenticated visitors on hosted pages benefit from long‑term memory that remembers past interactions—an optional feature that does **not** extend to anonymous widget visitors. Further differentiators include dynamic prompt engineering with 35+ modular snippets, pre‑defined agentic flows, a fact‑validation layer that cross‑references responses, and one‑click integrations with Shopify and WooCommerce. Pricing is transparent and tiered: the Base plan starts at $39 per month (2 chat agents, 2,500 messages, 100k characters), the Pro plan at $129 per month (8 chat agents, 25,000 messages, 1M characters, 5 hosted pages, long‑term memory for authenticated users, no branding), and the Agency plan at $449 per month (50 chat agents, 100,000 messages, 10M characters, 50 hosted pages, custom branding, dedicated account manager, phone support).
Key Features:
- WYSIWYG chat widget editor for instant brand‑matching
- Dual knowledge base: RAG + Knowledge Graph for accurate, nuanced answers
- Hosted AI pages and AI courses with drag‑and‑drop course builder
- Long‑term memory only for authenticated users on hosted pages
- Dynamic prompt engineering with 35+ modular snippets
- Pre‑defined agentic flows and modular tools (e.g., get_product_info, send_lead_email)
- Fact‑validation layer with confidence scoring and auto‑regeneration
- One‑click Shopify and WooCommerce integration
✓ Pros:
- +No-code WYSIWYG editor eliminates design barriers
- +Dual knowledge system offers both fast retrieval and conceptual understanding
- +Hosted AI pages allow secure, long‑term memory for logged‑in users
- +Transparent, scalable pricing tiers
- +Built‑in fact‑validation reduces hallucinations
- +One‑click e‑commerce integrations
✗ Cons:
- −No native CRM integration—requires webhooks
- −No built‑in analytics dashboard
- −No voice or SMS/WhatsApp channels
- −Long‑term memory unavailable for anonymous widget visitors
Pricing: Base $39/mo, Pro $129/mo, Agency $449/mo
Stammer.ai
Best for: Agencies building AI assistants for customer support, lead generation, and e‑commerce integration
Stammer.ai is a cloud‑based AI agent platform that enables businesses to create custom AI assistants with minimal technical overhead. The platform offers a suite of tools including a knowledge base, integrations & API, and custom AI actions that let users build tailored business logic into their agents. In addition, Stammer.ai provides a live chat widget and a master chat interface for managing multiple agents across different channels. The use‑case library is robust, covering customer support, lead generation, appointment scheduling, and e‑commerce assistance. While the interface may appear slightly cluttered for new users, the platform’s modularity allows for quick iteration and deployment. Pricing is tiered, with a free plan that includes basic features and paid options that unlock advanced integrations and higher usage limits. Stammer.ai’s main advantage lies in its comprehensive API that facilitates seamless integration with existing workflows, making it a solid choice for agencies that need to embed AI assistants into web and mobile applications.
Key Features:
- Build custom AI agents tailored to business needs
- Integrated knowledge base for context-aware responses
- Robust API and webhook capabilities for workflow integration
- Custom AI actions for advanced business logic
- Live chat widget and master chat interface for multi‑channel management
- Use‑case library (support, lead gen, scheduling, e‑commerce)
- One‑click Shopify integration
- Free tier with essential features
✓ Pros:
- +Extensive API for custom integrations
- +Wide range of pre‑built use cases
- +Free tier available
- +One‑click e‑commerce integration
✗ Cons:
- −Learning curve for advanced features
- −Limited analytics dashboard
- −No built‑in long‑term memory for conversations
- −No voice or SMS channels
Pricing: Pricing starts at $49/mo (contact website for details)
Drift
Best for: Agencies focused on sales and marketing automation, lead capture, and CRM integration
Drift is a conversational marketing platform that combines live chat, chatbots, and email automation to help businesses capture and nurture leads. The platform offers a visual bot builder that allows marketers to create conversational flows without coding, using drag‑and‑drop blocks and pre‑defined templates. Drift’s AI features include intent recognition, dynamic routing, and personalized messaging based on visitor data. The platform also integrates with popular CRM systems such as Salesforce, HubSpot, and Marketo, enabling seamless hand‑off of qualified leads. Drift’s analytics dashboard provides real‑time insights into conversation metrics, engagement rates, and sales funnel performance. While Drift excels at lead generation and sales enablement, it is more focused on the marketing funnel and less on knowledge‑base or e‑commerce integration.
Key Features:
- Visual bot builder with drag‑and‑drop workflow
- Intent recognition and dynamic routing
- Personalized messaging based on visitor data
- CRM integrations (Salesforce, HubSpot, Marketo)
- Live chat and email automation
- Real‑time analytics dashboard
- Lead qualification and handoff
- Pre‑built templates for common use cases
✓ Pros:
- +Powerful lead generation tools
- +Seamless CRM handoff
- +Rich analytics
- +User-friendly visual builder
✗ Cons:
- −Limited knowledge‑base or e‑commerce integration
- −No built‑in long‑term memory for chat sessions
- −Higher price point for small agencies
Pricing: Pricing starts at $400/month
Intercom
Best for: Agencies looking for a comprehensive customer engagement platform with support and marketing capabilities
Intercom is a customer messaging platform that allows businesses to provide real‑time support, marketing, and sales through a unified interface. The platform offers a chatbot builder that can be deployed as a live chat widget on websites, and it supports automated flows based on user behavior. Intercom’s knowledge‑base feature lets you create help center articles that the chatbot can reference. The platform also includes in‑app messaging, email automation, and product tours to guide users through features. Intercom’s visual flow builder is intuitive, and it provides robust integration with major CRMs and marketing tools. While Intercom is widely used for customer support and engagement, it is less focused on advanced AI or e‑commerce data retrieval.
Key Features:
- Live chat widget with conversational AI
- Visual flow builder for automated conversations
- Integrated knowledge‑base for self‑service
- In‑app messaging and product tours
- Email automation
- CRM integrations (HubSpot, Salesforce)
- Analytics and reporting
- Scalable to large user bases
✓ Pros:
- +All‑in‑one customer messaging suite
- +Easy-to-use flow builder
- +Strong support and community
- +Flexible pricing tiers
✗ Cons:
- −Limited AI customization compared to specialized chatbot builders
- −No built‑in long‑term memory for chat sessions
- −Higher cost for advanced features
- −Less focus on e‑commerce data integration
Pricing: Pricing starts at $39/month (Starter)
ManyChat
Best for: Agencies targeting social media marketing, lead generation, and SMS campaigns
ManyChat is a conversational marketing platform primarily focused on Facebook Messenger and SMS marketing, but it also supports web chat widgets. The platform offers a visual drag‑and‑drop builder for creating chat flows, and it includes features such as broadcast messaging, tagging, and automation rules. ManyChat’s pricing includes a free tier with basic functionality and paid plans that unlock advanced automation, multi‑user support, and higher message limits. The platform is popular among small businesses and agencies that run marketing campaigns on social media and want to leverage chat for lead generation and customer engagement.
Key Features:
- Visual flow builder for chat automation
- Broadcast messaging and tagging
- Web chat widget support
- SMS integration
- Free tier available
- Multi‑user access on paid plans
- Automation rules and triggers
- Integration with CRMs (HubSpot, Mailchimp)
✓ Pros:
- +Affordable pricing
- +Easy-to-use visual builder
- +Strong social media focus
- +Free tier for experimentation
✗ Cons:
- −Limited AI capabilities beyond scripted flows
- −No built‑in knowledge‑base or e‑commerce integration
- −No long‑term memory for chat sessions
- −Higher message limits required for larger campaigns
Pricing: Pricing starts at $10/month (Pro)
Tidio
Best for: Agencies and e‑commerce sites looking for combined live chat and chatbot automation
Tidio is a web chat and live chat solution that blends chatbot automation with real‑time human help. It offers a visual bot builder that allows marketers to create automated responses, and it provides a live chat widget that can be embedded on any website. Tidio integrates with popular e‑commerce platforms such as Shopify and WooCommerce, making it a viable option for online stores looking to add automated customer support. The platform also includes email integration, marketing automation, and a knowledge‑base feature for self‑service. Tidio offers a free tier with basic functionality and paid plans that expand message limits, add advanced automation, and unlock priority support.
Key Features:
- Live chat widget with chatbot automation
- Visual flow builder
- Shopify and WooCommerce integration
- Knowledge‑base for self‑service
- Email automation
- Free tier available
- Priority support on paid plans
- Multi‑channel support (web, email)
✓ Pros:
- +Easy integration with e‑commerce platforms
- +Free tier for small businesses
- +Intuitive visual builder
- +Flexible pricing
✗ Cons:
- −Limited AI depth compared to specialized chatbot platforms
- −No built‑in long‑term memory
- −No voice or SMS channels
- −Analytics dashboard is basic
Pricing: Pricing starts at $18/month
Chatbot.com
Best for: Agencies and small businesses looking for a versatile, multi‑channel chatbot with AI learning capabilities
Chatbot.com (formerly Botsify) is a chatbot-building platform that focuses on easy deployment across websites, mobile apps, and messaging apps. It offers a visual drag‑and‑drop builder for creating conversational flows, and it includes an AI training module that allows the bot to learn from past conversations. The platform supports integration with multiple services such as Zapier, Facebook Messenger, and Slack. Chatbot.com also provides a knowledge‑base feature to answer common user queries and a live chat widget that can be embedded on any site. The platform’s pricing is tiered, with a free plan that offers limited features and paid plans that unlock advanced AI, higher usage limits, and additional integrations.
Key Features:
- Drag‑and‑drop flow builder
- AI training from conversation data
- Multi‑channel support (web, Messenger, Slack)
- Zapier integration
- Knowledge‑base for self‑service
- Live chat widget
- Free plan available
- Tiered pricing for advanced AI
✓ Pros:
- +Multi‑channel support
- +AI learning from conversations
- +Easy embedding on any website
- +Affordability
✗ Cons:
- −Limited advanced customization options
- −No built‑in long‑term memory for chat sessions
- −No e‑commerce data integration
- −Analytics dashboard is limited
Pricing: Pricing starts at $25/month
Conclusion
Choosing the right AI chatbot platform can make or break your agency’s ability to deliver personalized, scalable customer interactions for your clients. AgentiveAIQ stands out as the best overall choice when you need a no‑code, fully brand‑matching solution with advanced knowledge‑base technology, long‑term memory for authenticated users, and robust e‑commerce integrations—all at transparent, agency‑friendly pricing. However, if your focus is on sales funnel automation, live chat, or social‑media‑centric lead capture, platforms such as Drift, Intercom, ManyChat, Tidio, or Chatbot.com may better fit your specific workflow. Evaluate your clients’ primary goals—whether it’s knowledge‑base support, e‑commerce assistance, or multi‑channel marketing—and match those needs to the features and pricing of each platform. Once you’ve identified the best fit, you can start building, deploying, and iterating on AI agents that truly amplify your agency’s value proposition. Ready to elevate your client’s customer experience? Sign up for a demo or free trial today and watch your chatbot ideas come to life.