Jcode bench introduces first uncontaminatable open benchmark
ycombinator · x · 2026-08-25
Jcode bench aims to solve the contamination problem in current coding benchmarks. Existing benchmarks face issues like private sets being hard to trust, public sets being easy to 'benchmaxx', coarse grading, easy saturation, and poor representation of real-world coding. Jcode bench's approach provides a reference implementation and asks for optimization, producing a high-signal, continuous score over time. Since there is no known optimal implementation, there is no solution answer for models to train on, preventing memorization-based scoring. If task transcripts are contaminated, new tasks can be generated to spec.
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