Continuously updated · AI Dictionary
The language of AI,
clearly defined.
A field guide to the words changing how we build, work and think—from token and transformer to AI agents and vibe coding.
506 terms
10 topics
1847–2026 timeline
Built as a living reference
Clear words. Useful context.
01
Plain English firstThe definition comes before the jargon.
02
Usage over hypeEstablished meanings are separated from new or informal ones.
03
Show the trailSources appear on entries as they are reviewed.
Latest update · October 2026
New in the AI Dictionary
Fresh language for the newest shifts in AI, explained without the jargon.
Know Your Agent
a process for verifying an AI agent's identity, the person or organization it represents, and the scope of authority granted to it before allowing the agent to access services, exchange data, or initiate transactions
Read definition ↗
agentic traffic
website, application, or API requests generated by AI agents that browse, compare, fill forms, communicate, or transact on behalf of a user or organization
Read definition ↗
agentic in-context learning
a form of in-context learning in which an AI agent actively chooses actions, retrieves or generates useful demonstrations, observes the results, and updates the context it uses to solve a task without changing the model's weights
Read definition ↗
tool-schema bias
systematic variation in an AI agent's performance caused by how functionally equivalent tools are named, grouped, structured, or presented in a tool schema rather than by any change in the actions the tools can perform
Read definition ↗