Electricity Bench

composer-2.5 vs grok-4.6

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

composer-2.5Clears tier 4 (partial tier 5) at 1.9% of Cursor Pro per runCOVERALLgrok-4.6Clears tier 1 (partial tier 5) at 15.6% of SuperGrok per runCOVERALL
real-world@v3CvsC
Dimensioncomposer-2.5grok-4.6Advantage
Capability60%58%+2% (composer-2.5 leads)
Median task time3m 52s6m 45s2m 53s faster (composer-2.5 leads)
Approx. task cost$0.025 / task$0.072 / task$0.047 / task lower (composer-2.5 leads)

composer-2.5: 1.9% of Cursor Pro (1.9% / 1m) per run. grok-4.6: 15.6% of SuperGrok (15.6% / 1w) per run. Each figure is a share of that agent's own plan, so there is no delta to draw.

vibe-coding@v1DvsB
Dimensioncomposer-2.5grok-4.6Advantage
Capability52%85%+33% (grok-4.6 leads)
Median task time4m 56s7m 33s2m 37s faster (composer-2.5 leads)
Approx. task cost$0.025 / task$0.094 / task$0.068 / task lower (composer-2.5 leads)

composer-2.5: 0.1% of Cursor Pro (0.1% / 1m) per good solve. grok-4.6: 1.4% of SuperGrok (1.4% / 1w) per good solve. 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.

Frequently asked questions

Which is better for coding, composer-2.5 or grok-4.6?

composer-2.5 clears higher: tier 4 of 5 versus tier 1 for grok-4.6 on real-world@v3, our private suite of real-world coding problems. Latest measurement 2026-08-10.

How much do composer-2.5 and grok-4.6 cost?

composer-2.5 runs on Cursor Pro at $20/month (public price as of 2026-07-20). grok-4.6 runs on SuperGrok at $30/month (public price as of 2026-07-20).