OpenAI's MultiLangBench: PHP scores highest (91.3%) at building a database engine from scratch
ricklamers · x · 2026-10-21
OpenAI released MultiLangBench, a new benchmark testing models at building a SQLite-compatible database engine from scratch across languages.
- PHP took the highest single score: 91.3% by GPT-6 Astra.
- Python leads on mean (90.55%; Sol 91.0%), with Java, C#, and JavaScript close behind around 90%.
- Laggards: COBOL 72%, Lean 82.95%, Fortran 83.8%, Zig 85.15%.
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