LLM system generates full constructed languages from scratch

tetsuoai · x · 2026-07-20

What it does

ConlangCrafter uses LLMs to generate full constructed languages from scratch, including original phonology, grammar, vocabulary, and rules.

Reported result

The paper says the generated languages score 0.58 on its typological-diversity metric, higher than 0.43 for real human languages on the same metric.

Why it matters

The authors position it as a tool for linguistics, with possible uses in agent systems and worldbuilding as well.

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