Electricity Bench

claude-code + claude-opus-4-8 vs cursor-cli + composer-2.5

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.

claude-cliclaude-code + claude-opus-4-8overall pendingcursor-clicursor-cli + composer-2.5overall pending
structured-extraction@v1AvsA
Dimensionclaude-code + claude-opus-4-8cursor-cli + composer-2.5Delta
Capability100%99%1% · claude-code + claude-opus-4-8
Median latency4752 ms9923 ms5171 ms · claude-code + claude-opus-4-8
Reliability100%100%even
Error rate0%0%even

claude-code + claude-opus-4-8: 2.0% of Claude Max 5x per run, about 50.0 runs per 5h. cursor-cli + composer-2.5: 6.4% of Cursor Free per run, about 15.6 runs per month. 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.