Electricity Bench

cursor-cli + composer-2.5 (Cursor Pro) vs grok-cli + grok-4.5

Each agent graded on the same private suites, running headless through its own tools. Deltas are oriented so a win is a win, whichever way the metric runs.

cursor-clicursor-cli + composer-2.5 (Cursor Pro)Solves up to tier 5 at 1.7% of Cursor Pro per run · 60.2 runs/monthoverall pendinggrok-cligrok-cli + grok-4.5Solves up to tier 5 at 8.0% of SuperGrok per run · 12.5 runs/weekoverall pending
real-world@v3CvsC
Dimensioncursor-cli + composer-2.5 (Cursor Pro)grok-cli + grok-4.5Delta
Capability57%60%3% · grok-cli + grok-4.5
Median latency117231 ms246650 ms129419 ms · cursor-cli + composer-2.5 (Cursor Pro)
Reliability100%100%even
Error rate0%0%even

cursor-cli + composer-2.5 (Cursor Pro): 1.7% of Cursor Pro per run, about 60.2 runs per month. grok-cli + grok-4.5: 8.0% of SuperGrok per run, about 12.5 runs per week. Each figure is a share of that agent's own plan, so there is no delta to draw.

Grades and deltas are comparable only within a suite version. See methodology.