I built a programming language using Claude Code
ankursethi.com
March 10, 2026
25 min read
Summary
A new programming language named Cutlet was developed using Claude Code over four weeks in early 2023. The source code, build instructions, and example programs are available on GitHub.
Key Takeaways
- Ankur Sethi developed a new programming language called Cutlet using Claude Code, which can execute real programs on macOS and Linux.
- Cutlet features dynamic variable declaration, array and string manipulation, and includes a unique meta-operator for vectorized operations.
- The language allows for boolean indexing and filtering of arrays, enabling concise data manipulation.
- Functions in Cutlet are expressions, with the last value produced becoming the return value, and can utilize the meta-operator for various operations.
Community Sentiment
MixedPositives
- Integrating Claude and Codex has significantly accelerated the evolution of complex codebases, enabling developers to achieve what would take a lifetime without AI assistance.
- The ability to generate programming languages quickly allows for rapid experimentation and innovation, transforming how developers approach problem-solving.
- AI-generated code, combined with human oversight, creates a powerful symbiotic relationship that enhances productivity and creativity in software development.
Concerns
- Relying entirely on AI to generate code can diminish the personal satisfaction and creative engagement that comes from building a programming language by hand.
- The essence of programming languages may be lost if developers no longer engage with the code, reducing the meaningful interaction that defines software creation.
Source
ankursethi.com
Published
March 10, 2026
Reading Time
25 minutes
Relevance Score
53/100
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