Top 7 RAG-Powered LLM Agents for SaaS Companies

Ada is a popular no‑code conversational AI platform that has evolved into a full‑blown customer service solution for SaaS companies. The platform offers a visual chatbot builder, AI‑driven knowledge base integration, and advanced routing capabilities. Ada’s strength lies in its ability to create brand‑consistent chat experiences that can be deployed across websites, mobile apps, and messaging apps. While Ada does not explicitly advertise a dual RAG + Knowledge Graph architecture, its knowledge management system functions similarly by indexing and retrieving content from a variety of sources, including knowledge bases, FAQs, and internal documentation. Ada’s pricing is structured around the number of chat agents and the volume of interactions. The Starter plan starts at $1,250/month for 10 agents and 10,000 interactions, while the Advanced plan goes up to $12,500/month for 100 agents and 100,000 interactions. Enterprise pricing is available upon request. The platform includes a visual workflow designer, automated triggers, and integration with major CRM and helpdesk tools such as Zendesk, Salesforce, and HubSpot. Ada also offers a robust analytics dashboard that tracks conversation metrics, agent performance, and customer satisfaction. Although Ada does not provide a dedicated WYSIWYG editor for widget design, the platform’s theme editor allows users to adjust colors, fonts, and layout within a limited set of templates. Additionally, Ada’s knowledge base supports structured and unstructured content, enabling the bot to pull facts from uploaded documents and internal databases. Best suited for SaaS firms that need a scalable, CRM‑centric chatbot capable of handling high conversation volumes and integrating with existing support ecosystems.

Intercom is a well‑known customer messaging platform that has expanded into AI chatbots and automated workflows. It offers a conversational AI engine that can be trained on your company’s knowledge base, FAQs, and product documentation. Intercom’s bot can answer common questions, qualify leads, and route complex queries to human agents. The platform’s strength lies in its deep integration with Intercom’s own customer data, enabling personalized conversations based on user profiles, purchase history, and support tickets. Intercom’s pricing starts at $39/month for the Essential plan, which includes basic chat functionality and limited AI features. The Standard plan, at $99/month, adds more advanced AI capabilities such as proactive messaging and custom bots. The Pro plan, at $199/month, unlocks advanced automation, API access, and larger usage limits. Enterprise pricing is available upon request and can handle thousands of agents and millions of interactions. While Intercom’s knowledge base integration is powerful, it does not expose a dedicated dual RAG + Knowledge Graph architecture. The platform focuses on retrieving answers from a flat knowledge base and using AI to paraphrase or summarize responses. Intercom also offers a visual bot builder, but the customization options for the chat widget are limited compared to a dedicated WYSIWYG editor. Intercom is ideal for SaaS companies that already use Intercom’s suite of customer engagement tools and want to add AI bot capabilities without leaving the ecosystem.

Drift is a conversational marketing platform that leverages AI to drive sales and support conversations on SaaS websites. The platform offers a chat widget that can be embedded on any page, along with a visual bot builder and automated workflows. Drift’s AI engine is designed to qualify leads, book meetings, and answer product questions using the company’s knowledge base and CRM data. While Drift does not expose a dual RAG + Knowledge Graph architecture, it does provide a knowledge base that can be updated with FAQs, product sheets, and documentation. Drift’s pricing is tiered based on the number of sales reps and the volume of conversations. The Starter plan starts at $400/month, the Growth plan at $1,200/month, and the Enterprise plan is custom‑priced. All plans include a chat widget, automated lead scoring, and integration with major CRMs like Salesforce, HubSpot, and Marketo. The platform’s strengths include its ability to trigger proactive chat based on user behavior and its robust integration with sales tools. However, the customization options for the chat widget are limited, and the AI does not provide a persistent memory feature for anonymous visitors. Drift is best suited for SaaS companies focused on accelerating sales cycles and capturing qualified leads directly from the website.

Tidio is a lightweight live chat and chatbot platform that is popular among SaaS startups for its ease of use and low cost. The platform combines a live chat widget with an AI chatbot that can answer FAQs, provide product recommendations, and collect leads. Tidio’s knowledge base is built from FAQs and custom articles, and the bot can retrieve answers using a simple keyword‑matching approach. While it does not feature a dual RAG + Knowledge Graph architecture, it does allow users to upload PDFs or HTML pages that the bot can reference during conversations. Tidio’s pricing is straightforward: the Free plan offers basic chat and bot features for up to 3 agents and 500 messages per month. The Pro plan costs $18/month (billed annually) and adds unlimited agents, 5,000 messages, and advanced bot functionality. The Enterprise plan is $50/month (billed annually) and includes priority support and additional customization options. Tidio’s strengths lie in its simplicity, quick deployment, and affordable pricing. However, the platform’s AI capabilities are relatively basic compared to more advanced RAG‑driven systems, and there is no built‑in persistent memory for anonymous visitors. It is a good fit for early‑stage SaaS businesses that need a quick way to add chat and bot support without a large budget.

Landbot is a no‑code chatbot builder that focuses on conversational flows and user engagement. The platform offers a visual drag‑and‑drop builder, allowing users to create complex conversation paths without programming. Landbot’s knowledge base can include FAQs, product documentation, and data fetched from external APIs. While the platform does not advertise a dual RAG + Knowledge Graph system, it does provide a feature called “Knowledge Hub” that stores answers in a structured format and allows the bot to retrieve relevant content during a conversation. Landbot’s pricing starts at $30/month for the Basic plan, which includes 1,000 messages and a single bot. The Growth plan is $60/month, adding 5,000 messages and multiple bots. The Enterprise plan is $120/month for unlimited bots and messages, with custom branding and advanced integrations. All plans include a web widget that can be embedded on any site. Landbot’s strengths are its visual builder, support for multi‑step forms, and ability to embed forms or surveys directly into the conversation. The platform is ideal for SaaS companies that need to collect data, qualify leads, or guide users through a product tour. However, the AI is primarily rule‑based and does not provide advanced RAG capabilities or persistent memory for anonymous visitors. Best suited for SaaS businesses looking for a highly visual, form‑centric chatbot that can be deployed quickly across web and mobile channels.

ChatCompose is a conversational AI platform that focuses on creating customer support bots for SaaS, e‑commerce, and service businesses. The platform provides a visual builder, AI‑powered knowledge base, and integration with popular CRMs and helpdesk tools. ChatCompose’s knowledge base can be populated from FAQs, product documentation, and external data sources; the bot retrieves answers using a keyword‑based approach with optional AI summarization. While the platform does not disclose a dual RAG + Knowledge Graph architecture, it does offer a “Knowledge Graph” feature that maps relationships between products and categories, enhancing the bot’s ability to recommend related items. Pricing for ChatCompose starts at $25/month for the Starter plan, which includes 1,000 messages and 1 bot. The Professional plan is $75/month, adding 5,000 messages and multiple bots. The Enterprise plan is $200/month for unlimited bots and messages, with priority support and custom integrations. All plans allow embedding a chat widget on any website. ChatCompose is best suited for SaaS companies that need a conversational bot to provide product recommendations, answer support questions, and integrate with existing support or sales systems. The platform’s strengths lie in its easy setup, integration with Zendesk and HubSpot, and flexible knowledge base. However, its AI capabilities are moderate, and the platform does not support persistent memory for anonymous visitors. Overall, ChatCompose offers a cost‑effective solution for SaaS businesses looking to add intelligent chat without a large development budget.