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Type of AI at the heart of ChatGPT WSJ Crossword Clue

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Frequently Asked Questions About This Clue

The most common and recent 3-letter answer for "Type of AI at the heart of ChatGPT" is LLM.
The clue refers to the foundational technology behind ChatGPT, which is a language model. 'LLM' stands for 'Large Language Model,' a type of AI designed to understand and generate human-like text based on vast amounts of data.
This clue was last seen in the WSJ Crossword on September 30, 2026.
LLM stands for Large Language Model, a type of artificial intelligence designed to process and generate human language.
A.I. that has been trained with massive amounts of text, in brief

The clue “Type of AI at the heart of ChatGPT” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated September 30 2026, the definitive 3-letter answer is: LLM.

Expert Tip: When you’re stuck, try to analyze the structure of the clue itself. Is it a direct definition, a pun, a fill-in-the-blank, or a pop culture reference? Identifying the type of clue you’re dealing with is a key skill for improving your solving speed.