# Decoding the new AI lingo: Loops, harnesses, squads, hill climbing... oh my!

DevFeed: [Decoding the new AI lingo: Loops, harnesses, squads, hill climbing... oh my!](<https://devfeed.tech/articles/decoding-the-new-ai-lingo-loops-harnesses-squads-hill-climbing-oh-my-75.md>)

Original publisher: [Read original article](<https://github.blog/ai-and-ml/decoding-the-new-ai-lingo-loops-harnesses-squads-hill-climbing-oh-my/>)

Author: Cassidy Williams

Published: 2026-09-02T21:00:00Z

Content type: article

Language: en

Sources: [GitHub Engineering](<https://devfeed.tech/sources/github-engineering.md>)

Topics: [AI Development](<https://devfeed.tech/topics/ai-development.md>), [Software Engineering](<https://devfeed.tech/topics/software-engineering.md>), [Open Source Models & Datasets](<https://devfeed.tech/topics/open-source-models-datasets.md>)

Tags: [agent](<https://devfeed.tech/tags/agent.md>), [agentic-ai](<https://devfeed.tech/tags/agentic-ai.md>), [agents](<https://devfeed.tech/tags/agents.md>), [ai](<https://devfeed.tech/tags/ai.md>), [ai-ml](<https://devfeed.tech/tags/ai-ml.md>), [engineering](<https://devfeed.tech/tags/engineering.md>), [github-podcast](<https://devfeed.tech/tags/github-podcast.md>), [loops](<https://devfeed.tech/tags/loops.md>), [models](<https://devfeed.tech/tags/models.md>), [observability](<https://devfeed.tech/tags/observability.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [routing](<https://devfeed.tech/tags/routing.md>), [skills](<https://devfeed.tech/tags/skills.md>), [validation](<https://devfeed.tech/tags/validation.md>), [workflow](<https://devfeed.tech/tags/workflow.md>)

## AI overview

A guide to emerging AI-development terminology, explaining loop engineering and Ralph loops, multi-agent squads and fleets, and related concepts such as open weights and open source models.

## Source excerpt

From loop engineering to harnesses, squads, and open weights, the GitHub Podcast breaks down the AI terms showing up in developer conversations. The post Decoding the new AI lingo: Loops, harnesses, squads, hill climbing... oh my! appeared first on The GitHub Blog.