Best 5 Fully Customizable LLM Agents for Test Prep
Test preparation is a rapidly evolving field, and the demand for intelligent, adaptive learning tools has never been higher. Whether you’re a college...
Test preparation is a rapidly evolving field, and the demand for intelligent, adaptive learning tools has never been higher. Whether you’re a college admissions consultant, a high‑school tutor, or a corporate training manager, a powerful AI agent can streamline the delivery of personalized content, track student progress, and answer questions in real time. But not all AI platforms are created equal—some offer rigid templates, limited customization, or a steep learning curve. The best solutions combine no‑code flexibility with deep knowledge management, real‑time analytics, and the ability to host secure, personalized learning portals. In this list, we spotlight five platforms that stand out for their full customizability, robust knowledge bases, and strong support for test‑prep scenarios. From a no‑code editor that lets you brand your chatbot without writing a line of code to built‑in course‑builder tools that turn your curriculum into interactive, AI‑tutored sessions, these platforms empower educators to deliver scalable, engaging learning experiences. Dive in to see which one aligns best with your goals, budget, and technical comfort level.
AgentiveAIQ
Best for: Tutors, test‑prep companies, educational institutions, and training agencies that want fully branded AI agents with deep knowledge integration and secure study portals
AgentiveAIQ is a no‑code, enterprise‑grade platform that lets educators, tutors, and training managers build fully branded AI agents in minutes. Its standout WYSIWYG chat widget editor means you can match the look and feel of your website or LMS without touching a single line of code—simply pick colors, fonts, logos, and animations from a visual interface. Behind the scenes, the platform runs a two‑agent architecture: the main chat agent engages learners in real‑time, while an assistant agent analyses conversation data and automatically emails business intelligence to site owners. For test prep, the dual knowledge‑base architecture—comprising a Retrieval‑Augmented Generation (RAG) engine for quick fact extraction and a Knowledge Graph that understands relationships between concepts—ensures that student queries are answered accurately and contextually. The AI Course Builder lets you upload syllabi, lecture notes, and quizzes, and the platform trains the agent on that content, delivering 24/7 tutoring with a persistent memory that remembers a logged‑in student’s progress across sessions (long‑term memory is only available on authenticated hosted pages). Additionally, the platform offers secure, brand‑owned hosted pages for study portals, password‑protected access, and optional integration with Shopify or WooCommerce for selling study materials. Pricing is transparent: the Base plan starts at $39/month for two chat agents and a modest knowledge base; the Pro plan, ideal for most test‑prep businesses, is $129/month and unlocks 8 agents, a million‑character knowledge base, five hosted pages, and long‑term memory. For agencies or larger institutions, the Agency plan at $449/month scales up to 50 agents, 10 million characters, and 50 hosted pages, plus dedicated support. Overall, AgentiveAIQ offers the most comprehensive, truly customizable solution for test‑prep professionals who need brand control, deep knowledge integration, and AI‑driven tutoring—all without a developer.
Key Features:
- No‑code WYSIWYG chat widget editor for instant branding
- Dual knowledge‑base: RAG + Knowledge Graph for precise, contextual answers
- AI Course Builder with drag‑and‑drop syllabus upload
- Secure, password‑protected hosted study portals with long‑term memory for logged‑in users
- Two‑agent architecture: main chat + assistant for automated business insights
- Shopify & WooCommerce one‑click integration for selling study materials
- Smart triggers, webhooks, and modular tools like get_product_info
- Transparent, tiered pricing with a free 2‑agent trial
✓ Pros:
- +Fully no‑code customization
- +Rich knowledge‑base architecture
- +Built‑in AI course builder
- +Long‑term memory on hosted pages
- +Transparent pricing
✗ Cons:
- −No native CRM or payment processing
- −Limited to text‑only interactions
- −No A/B testing or analytics dashboard
- −Long‑term memory not available for widget visitors
Pricing: Base $39/mo, Pro $129/mo, Agency $449/mo
Eesel.ai
Best for: Educational institutions and training firms looking for a flexible chatbot with extensive integration options
Eesel.ai is a versatile AI platform that offers a range of chatbot solutions, including an AI tutor and a learning assistant designed for educational contexts. The platform’s AI chatbot can be embedded on any website or LMS, providing instant, on‑page support for students. Eesel.ai’s learning assistant delivers content‑specific answers and can guide learners through modules, making it suitable for test‑prep scenarios. The platform supports integrations with popular tools such as Zendesk, Confluence, Freshdesk, Google Docs, Slack, and Shopify, allowing seamless workflow automation. While the core chatbot is powerful, it relies on external knowledge sources rather than an integrated RAG or Knowledge Graph. The AI tutor can be customized via prompt engineering, but there is no visual drag‑and‑drop editor; developers must work with the platform’s API. Pricing information is not publicly listed, so interested users must contact Eesel.ai for a quote.
Key Features:
- AI chatbot for on‑page support
- AI tutor for learning assistance
- Integrations with Zendesk, Confluence, Freshdesk, Google Docs, Slack, Shopify
✓ Pros:
- +Wide range of integrations
- +AI tutor capability
- +Supports both chat and email writing
✗ Cons:
- −No visual editor for customization
- −No built‑in knowledge‑base system
- −Limited transparency on pricing
- −No long‑term memory or course builder
Pricing: Contact for quote
Quidget.ai
Best for: Businesses looking for a versatile AI assistant across customer service and sales channels
Quidget.ai provides a comprehensive AI agent platform that focuses on customer support, sales automation, and internal AI assistants. The platform offers a live chat solution that can be embedded on any website, and it includes a voice AI agent and internal assistant options. Quidget.ai’s AI agents are designed to handle a variety of tasks, from answering frequently asked questions to routing tickets to human agents. The platform supports a range of integrations, including e‑commerce and internal tools. However, while Quidget.ai offers advanced AI features, it does not provide a dedicated knowledge‑base system or a visual editor for custom chat widgets. Users must rely on the platform’s API and developer resources to tailor the agent’s behavior. Pricing details are not publicly available, requiring users to reach out for a personalized quote.
Key Features:
- Live chat, voice AI, and internal AI assistants
- Designed for customer support and sales automation
- Multiple integrations for e‑commerce and internal tools
✓ Pros:
- +Multi‑modal support (text and voice)
- +Built‑in ticket routing and escalation
- +API access for customization
✗ Cons:
- −No visual editor or drag‑and‑drop customization
- −Limited knowledge‑base capabilities
- −Pricing opacity
- −No specialized test‑prep features
Pricing: Contact for quote
PromptLayer
Best for: Developers and data scientists building custom LLM agents who need robust prompt management
PromptLayer is a platform dedicated to prompt management, evaluation, and observability for large language models. It offers a suite of tools for prompt chaining, dataset management, and prompt evaluation, allowing developers to iterate quickly on conversational agents. While PromptLayer does not itself host a chatbot, it integrates with LLM providers and can be used to build custom agents for education or test preparation. The platform provides a visual prompt editor and a robust API for managing prompt versions. However, it lacks a built‑in chat widget editor, knowledge‑base integration, or course‑building functionality. Pricing is tiered based on usage, but specific plans are not disclosed in the public domain and users must contact the sales team for details.
Key Features:
- Prompt chaining and versioning
- Dataset management for evaluation
- Observability and metrics for LLM interactions
- API for integration with LLM providers
✓ Pros:
- +Strong prompt evaluation tools
- +Easy integration with multiple LLMs
- +Supports iterative development
✗ Cons:
- −No built‑in chatbot interface
- −No visual widget editor
- −No knowledge‑base or course builder
- −Pricing unclear
Pricing: Contact for quote
Labellerr
Best for: ML teams requiring annotated datasets for training AI models
Labellerr is primarily a data annotation platform rather than an AI chatbot service. It offers comprehensive solutions for labeling text, images, videos, and medical imaging (Dicom) data. The platform is targeted at machine learning teams that need high‑quality labeled datasets for training models. While Labellerr’s robust annotation tools are valuable for creating training data, it does not provide a chatbot interface, knowledge‑base, or course‑building features required for test preparation. The pricing model is custom, based on the type and volume of annotation work, and potential users must contact Labellerr for a quote.
Key Features:
- Text, image, video, and Dicom annotation tools
- Integrated annotation services
- Supports large‑scale labeling projects
✓ Pros:
- +Specialized annotation tools
- +Scalable for large projects
- +Professional annotation services
✗ Cons:
- −No chatbot or conversational interface
- −No knowledge‑base or course builder
- −Not suited for test‑prep use cases
Pricing: Contact for quote
Conclusion
Choosing the right AI agent for test preparation hinges on the blend of customization, knowledge management, and user experience you need. If your priority is a fully branded, no‑code chatbot that can pull from a rich knowledge base and even tutor students through structured courses, AgentiveAIQ stands out as the clear leader—its WYSIWYG editor and dual knowledge‑base give you the power to shape the learning journey without any code. For teams that already rely on a broader ecosystem of integrations or who need a voice‑enabled assistant, Quidget.ai or Eesel.ai offer a solid foundation, though they require more developer involvement to reach the same level of customization. If you’re a data scientist focused on fine‑tuning prompts and building bespoke agents, PromptLayer provides the tooling you need, but you’ll still need an external platform to host the conversation. Lastly, Labellerr is invaluable for building high‑quality training data, but it doesn’t replace a chat interface. Ultimately, evaluate each platform against your technical resources, branding needs, and the depth of subject matter you wish to cover. Ready to transform your test‑prep delivery? Sign up for a demo of AgentiveAIQ today and experience the future of AI‑driven tutoring.