"Dynamic languages such as Ruby, Python, and JavaScript consistently outperformed statically typed languages in terms of speed, cost, and stability during the benchmark tests."
"Ruby averaged $0.36 per run at 73.1 seconds, while Python and JavaScript followed closely behind, demonstrating low variance and passing all tests across 40 runs."
"Adding mypy strict checking to Python made it 1.6 to 1.7 times slower, while Steep type checking in Ruby resulted in a slowdown of 2.0 to 3.2 times."
"TypeScript was notably more expensive than JavaScript, averaging $0.62 per run despite producing similar line counts, indicating significant overhead from type generation."
A benchmark tested Claude Code's efficiency in generating implementations across 13 programming languages. Dynamic languages, including Ruby, Python, and JavaScript, were the fastest and most cost-effective. The experiment involved implementing a simplified Git version, revealing that Ruby averaged $0.36 per run, Python $0.38, and JavaScript $0.39. Statically typed languages like Go, Rust, and C were slower and more expensive. Adding type checks significantly increased execution time, with Python and Ruby experiencing notable slowdowns. TypeScript was also more costly than JavaScript despite similar outputs.
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