Human in the loop

Human in the loop means a person reviews or approves an AI output or action before it takes effect.

Written by Reflective Data experts · updated Oct 5, 2026

It is used for high-stakes actions, such as sending messages to customers, changing data or spending money. Approvals can be applied selectively, for example only above a threshold.

It balances speed with safety.

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Large language model (LLM)

A large language model is an AI system trained on large amounts of text that can…

iso-42001.md

ISO/IEC 42001

ISO/IEC 42001 is an international standard for an AI management system.

system-prompt.md

System prompt

A system prompt is the standing set of instructions that defines how an AI assistant behaves…

synthetic-data.md

Synthetic data

Synthetic data is artificially generated data that mimics the properties of real data.

vector-database.md

Vector database

A vector database stores embeddings and quickly finds the ones most similar to a query.

multi-agent-system.md

Multi-agent system

A multi-agent system uses several AI agents with different roles that collaborate on a task.

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