> For the complete documentation index, see [llms.txt](https://docs.siminsights.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.siminsights.com/hyperskill-studio-authoring/ai-features.md).

# AI features

Natural conversations, AI chat, agents and PDF question answering inside a simulation.

## **Overview**

HyperSkill offers a variety of AI features to make your VR/AR/Web/Desktop learning experiences more interactive and engaging. This section explains how each feature works and how to use it effectively.

| Feature                                                                                      | What it does                                          |
| -------------------------------------------------------------------------------------------- | ----------------------------------------------------- |
| [Natural Conversations](/hyperskill-studio-authoring/ai-features/natural-conversations.md)   | Speech-to-text and text-to-speech for virtual persons |
| [AI Chat](/hyperskill-studio-authoring/ai-features/ai-chat.md)                               | Open-ended roleplaying characters                     |
| [Agents](/hyperskill-studio-authoring/ai-features/agents.md)                                 | AI observers that analyze, score and give feedback    |
| [PDF Question Answering](/hyperskill-studio-authoring/ai-features/pdf-question-answering.md) | Answers learner questions from uploaded PDF documents |

Related pages: [Large Language Models & Data Privacy](/hyperskill-studio-authoring/ai-features/large-language-models-and-data-privacy.md), [Review Mode](/hyperskill-studio-authoring/ai-features/review-mode.md) and [Settings](/hyperskill-studio-authoring/ai-features/settings.md).

#### 1. Natural Conversations

* **Speech-to-Text Transcription (ASR):**
  * Automatically capture and record spoken dialogue within your simulations
  * Analyze trainee communication during role-playing or presentations
* **Text-to-Speech Generation (TTS):**
  * Create realistic narration for your virtual persons
  * Virtual persons can guide learners, deliver instructions, or react to choices
* **Interactive Learning with Natural Language Processing (NLP):**
  * Design simulations that respond to specific user prompts
  * Learners can ask questions to virtual characters, triggering pre-recorded responses or branching dialogues
  * Example: A virtual factory worker can answer specific questions about equipment based on learner inquiries

#### 2. Advanced Roleplaying with GPT-4/Gemini Pro (AI Chat)

* **Lifelike Roleplaying Partners:**
  * Create AI-powered characters that engage in open-ended conversations with learners using GPT-4/Gemini Pro
  * Characters can answer questions, provide feedback on performance, or react realistically to various situations and speech

#### 3. In-depth Analysis with GPT-4/Gemini Pro (Agents)

* **Learner Behavior Analysis:**
  * Analyze learner interactions with AI characters using GPT-4/Gemini Pro's analysis capabilities.
  * Identify areas for improvement and personalize learning paths based on performance data.

#### 4. PDF Question Answering

* **Document-based answers:** Learners can ask questions about the PDF documents you add to a simulation.

By incorporating these AI features, you can create dynamic and engaging learning experiences that cater to different learning styles. These features are designed to be user-friendly and integrate seamlessly within your HyperSkill authoring workflow.