This AI tool doesn't just translate languages—it invents brand-new ones from scratch

2 Sources

Share

Researchers at the University of Miami unveiled ConlangCrafter, an AI tool that invents languages complete with their own sounds, grammar, and vocabulary. The tool has already generated over 60 languages, including one with zero consonants and another designed for an alien species that communicates through color and gesture.

AI Tool Creates Languages With Unique Grammar and Sounds

Artificial intelligence has moved beyond translation. A new AI tool called ConlangCrafter, developed by Morris Alper and his research team, generates entirely new languages from scratch with their own phonetic systems, grammar rules, and unique vocabulary

1

. Published in the Proceedings of the Association for Computational Linguistics, the research demonstrates how large language models can construct entirely new languages that feature linguistic characteristics absent from natural human languages

2

.

Morris Alper, the paper's lead author and incoming assistant professor in the Department of Computer Science at the University of Miami, explained that the goal was to create languages with features not normally found in existing ones

1

. Working alongside co-authors Moran Yanuka, Raja Giryes, and GaŔper BeguŔ, the team has already used ConlangCrafter to produce more than 60 languages, with the code publicly available for anyone interested in creating their own

2

.

Source: Newswise

Source: Newswise

How ConlangCrafter Invents Languages Step by Step

The AI that invents new languages operates through a sophisticated pipeline that breaks down language creation into manageable components. Users can provide ConlangCrafter with specific parameters for their desired language. The research team tested the system by requesting a language with no consonant sounds, and even one designed for an alien cephalopod species that communicates through colors and gestures instead of speech

1

.

Once ConlangCrafter begins building a language, it systematically generates a phonetic system, then establishes grammar rules and vocabulary. The tool translates sentences from natural languages into the constructed one, reviews and revises its work to identify inconsistencies, and fixes them while continually updating a "language sketch"—essentially a design document tracking the new language's rules

2

. "We split the problem apart and have the LLMs solve each sub-problem and combine them together," Alper explained, noting this approach produces more diverse and internally consistent results than simply asking a general-purpose model like Gemini to create a language from scratch

2

.

Applications Beyond Fictional Languages

The practical uses for ConlangCrafter extend well beyond entertainment. The tool offers significant value for writers and filmmakers who need convincing fictional languages for their creative works, similar to those featured in Game of Thrones or Lord of the Rings

1

. These fictional languages add depth and authenticity to imaginary worlds in video games, movies, books, and television shows

2

.

Beyond creative applications, researchers foresee potential uses in computational linguistics and computer science research. The tool could help develop technologies for poorly documented languages where detailed descriptions exist but not large text collections. It may also enable studies of language evolution over time and facilitate AI agent communication through constructed languages

2

. Alper, who completed his Ph.D. in multimodal machine learning at Tel Aviv University, has already collaborated with archaeologists studying ancient inscriptions and co-authored research on leveraging artificial intelligence to read cuneiform, an ancient Mesopotamian writing system

2

.

Measuring Success in Language Creation

The most challenging aspect of developing ConlangCrafter was establishing evaluation criteria. "The hardest part of the work was defining an objective measure to give us numbers that say, 'How well is the model performing at this task?' That's really hard to do for creative things," Alper noted

2

. The research team created a framework to assess how consistently translations follow each language's rules and how diverse the new languages are in terms of linguistic features such as unique sounds and different sentence structures

2

.

Since its release, ConlangCrafter has attracted attention in the technology sector, with recent coverage in Science and IEEE Spectrum

2

. Alper developed the tool while working as a postdoctoral researcher at Carnegie Mellon University's Language Technologies Institute and was drawn to the University of Miami for its emphasis on interdisciplinary research spanning computer science, linguistics, and digital humanities

2

.

Today's Top Stories

Ā© 2026 TheOutpost.AI All rights reserved