The AI terms that
actually matter.
Clear, technical definitions of 74 key concepts — written by AI engineers, not marketers.
Half-Duplex Agent
A half-duplex agent is a voice AI system that speaks and listens one at a time, like a walkie-talkie — waiting for the user to finish before responding — as opposed to a full-duplex agent, which can listen and speak simultaneously.
Read definitionHermes Agent
Hermes Agent is an open-source, self-improving AI agent built by Nous Research that runs as a local gateway process, remembers across sessions, writes its own reusable skills, and reaches you through Telegram, Discord, Slack, WhatsApp, Signal, or the CLI.
Read definitionHNSW (Hierarchical Navigable Small Worlds)
HNSW is a graph-based approximate nearest neighbour (ANN) algorithm that organizes vectors into layered, navigable small-world graphs, enabling logarithmic-time similarity search over billions of embeddings — the default indexing strategy in nearly every production vector database.
Read definitionHuman-in-the-Loop (HITL)
Human-in-the-Loop (HITL) is an architectural pattern and risk management strategy where human judgment, oversight, and intervention are intentionally integrated into an AI system’s lifecycle to ensure accuracy, safety, and alignment.
Read definitionHyDE (Hypothetical Document Embeddings)
HyDE is a zero-shot retrieval technique that uses an LLM to generate a hypothetical document based on a query, and uses that generated document's embedding to find real relevant documents.
Read definitionKimi K2.7 Code
A frontier scale, coding focused agentic AI model by Moonshot AI. It features a 1 trillion parameter MoE architecture with advanced multimodality and long horizon software engineering capabilities.
Read definitionKling 3.0 Model Series (Omni)
Understand professional AI video and image creation with Kling 3.0. Explore Video 3.0 Omni’s multi-shot cinematic control and Image O1’s precision editing for high-fidelity, agentic workflows.
Read definitionKnowledge Distillation
Knowledge distillation is a model compression technique where a compact 'student' model is trained to replicate the behavior of a larger, more capable 'teacher' model — achieving near-teacher-level accuracy at a fraction of the size, latency, and cost.
Read definitionKokoro
An open-weight TTS model with just 82M parameters that matches the output quality of models ten times its size, running in under 0.3 seconds on CPU — the most efficient high-quality open-source voice model available.
Read definitionLarge Language Diffusion Models
A class of generative AI models that apply diffusion processes, originally popularized in image generation, to text generation. They offer non autoregressive, highly controllable generation by iteratively denoising continuous embeddings or discrete vocabulary spaces.
Read definitionLarge Language Model (LLM)
Large Language Models (LLMs) are advanced AI systems designed to understand, generate, and interact with human language at scale, leveraging vast amounts of text data to perform a wide range of linguistic tasks.
Read definitionLarge Vision Model (LVM)
Large Vision Models (LVMs) are advanced artificial intelligence systems designed to process, analyze, and interpret large volumes of visual data, enabling sophisticated image recognition, object detection, and segmentation tasks.
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