ModelRefs / Code Completion — AI Glossary
Code Completion — AI Glossary
Real-time suggestions of the next token, line, or function body as a developer types, integrated into IDEs. Also called autocomplete or code autocomplete.
Overview
Code completion is the core feature of AI coding assistants (GitHub Copilot, Codeium, Tabnine). Powered by code-specialized LLMs (StarCoder2, DeepSeek-Coder, Claude, GPT-4o) using FIM (fill-in-the-middle) for infilling. Latency target: <200ms for token-level, <1s for multi-line. Evaluated by acceptance rate and downstream developer productivity.
Reference details
| Topic | applications |
|---|---|
| Also known as | autocomplete, code autocomplete |
| Last reviewed | 2026-06-24 |
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Frequently asked questions
What is Code Completion?
Real-time suggestions of the next token, line, or function body as a developer types, integrated into IDEs.
Is Code Completion the same as autocomplete?
Yes — autocomplete, code autocomplete are common aliases for Code Completion.
What concepts are related to Code Completion?
Closely related concepts include fim, code generation, coding assistant.