Needless Benchmark

Median lines of code across 5 tasks × 3 models × 5 runs. Lower is leaner.
Reproduce yourself: node benchmarks/run.js  ·  github.com/siddhamapple/needless

86%
fewer lines of code, on average across all models and tasks
95%
peak reduction — Sonnet 4.5, average(nums)
3
models tested — same direction every single time

Lines of code — median of 5 runs

baseline (no needless)
needless

All numbers

TaskHaiku 3.5Sonnet 4.5GPT-4o mini
baseneedlessbaseneedlessbaseneedless
isPrime(n)193 -84%273 -89%224 -82%
formatPhone(s)314 -87%463 -93%384 -89%
truncate(s,n)112 -82%181 -94%132 -85%
shuffle(arr)226 -73%314 -87%266 -77%
average(nums)142 -86%211 -95%172 -88%