AI21 Glossary

Agent memory refers to the ability of an AI agent to retain information from previous interactions or data it has…

Agentic Trajectory An agentic trajectory is the complete sequence of actions, observations, and decisions that an AI agent produces while…

AgentOps AgentOps is the operational discipline concerned with deploying, monitoring, evaluating, and maintaining AI agents in production environments. It extends…

AIOps is the use of artificial intelligence to manage and improve IT operations. It processes large volumes of data from…

Autonomous agents are AI systems capable of performing tasks and making decisions independently, once given a defined objective. They are…

What is Chunking? Chunking is the process of splitting large documents into smaller text segments before indexing them in a…

Definition Long-horizon tasks are goals assigned to an AI agent that require many sequential steps, decisions, and actions to complete…

What is Model Context Protocol? Model Context Protocol (MCP) is an open standard that defines how AI agents connect to…

What is parallel subagent execution? Parallel subagent execution is a multi-agent pattern in which a coordinating AI system spawns multiple…

Definition The ReAct framework is an approach to building AI agents that interleaves reasoning and action within a single loop…

What is state mutation in AI agents? State mutation refers to the act of an AI agent modifying the condition…

Definition Test-time compute (TTC) refers to the computational resources – such as tokens, processing time, and memory – that an…

A vertical LLM agent is a system that enables large language models (LLMs) to interact with APIs, tools, and environments,…

What is workspace isolation? Workspace isolation is a mechanism that gives each AI agent or subagent its own sandboxed execution…