Electricity Bench

grok-4.5 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.

grok-4.5Clears tier 4 (partial tier 5) at 6.9% of SuperGrok per runCOVERALLgrok-4.6Clears tier 4 (partial tier 5) at 2.8% of SuperGrok per runCOVERALL
real-world@v3CvsC
Dimensiongrok-4.5grok-4.6Advantage
Capability60%60%Even
Median task time3m 9s6m 19s3m 9s faster (grok-4.5 leads)
Approx. task cost$0.032 / task$0.013 / task$0.019 / task lower (grok-4.6 leads)

grok-4.5: 6.9% of SuperGrok (6.9% / 1w) per run. grok-4.6: 2.8% of SuperGrok (2.8% / 1w) per run. Each figure is a share of that agent's own plan, so there is no delta to draw.

spec-planning@v1-vsC

Only grok-4.6 has run this suite, so there is no head-to-head yet.

vibe-coding@v1CvsD
Dimensiongrok-4.5grok-4.6Advantage
Capability59%46%+13% (grok-4.5 leads)
Median task time3m 40s8m 23s4m 43s faster (grok-4.5 leads)
Approx. task cost$0.031 / task$0.012 / task$0.019 / task lower (grok-4.6 leads)

grok-4.5: 0.4% of SuperGrok (0.4% / 1w) per good solve. grok-4.6: 0.2% of SuperGrok (0.2% / 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, grok-4.5 or grok-4.6?

They are even on our ladder: both clear tier 4 of 5 at 60% capability on real-world@v3, our private suite of real-world coding problems. Latest measurement 2026-08-10.

How much do grok-4.5 and grok-4.6 cost?

grok-4.5 runs on SuperGrok at $30/month (public price as of 2026-07-20). grok-4.6 runs on SuperGrok at $30/month (public price as of 2026-07-20).