Electricity Bench

claude-sonnet-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.

claude-sonnet-5Clears tier 2 (partial tier 5) at 6.0% of Claude Max 20x per runDOVERALLgrok-4.6Clears tier 4 (partial tier 5) at 2.8% of SuperGrok per runCOVERALL
real-world@v3DvsC
Dimensionclaude-sonnet-5grok-4.6Advantage
Capability50%60%+10% (grok-4.6 leads)
Median task time4m 22s6m 19s1m 57s faster (claude-sonnet-5 leads)
Approx. task cost$0.005 / task$0.013 / task$0.007 / task lower (claude-sonnet-5 leads)

claude-sonnet-5: 6.0% of Claude Max 20x (6.0% / 5h, 1.0% / 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@v1DvsC
Dimensionclaude-sonnet-5grok-4.6Advantage
Capability39%60%+21% (grok-4.6 leads)
Median task time4m 38s32m 10s27m 32s faster (claude-sonnet-5 leads)
Approx. task cost$0.010 / task$0.093 / task$0.083 / task lower (claude-sonnet-5 leads)

claude-sonnet-5: 3.0% of Claude Max 20x (3.0% / 5h) per run. grok-4.6: 5.4% of SuperGrok (5.4% / 1w) per run. Each figure is a share of that agent's own plan, so there is no delta to draw.

vibe-coding@v1FvsD
Dimensionclaude-sonnet-5grok-4.6Advantage
Capability34%46%+12% (grok-4.6 leads)
Median task time5m 17s8m 23s3m 6s faster (claude-sonnet-5 leads)
Approx. task cost$0.008 / task$0.012 / task$0.003 / task lower (claude-sonnet-5 leads)

claude-sonnet-5: 0.6% of Claude Max 20x (0.6% / 5h) 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, claude-sonnet-5 or grok-4.6?

grok-4.6 clears higher: tier 4 of 5 versus tier 2 for claude-sonnet-5 on real-world@v3, our private suite of real-world coding problems. Latest measurement 2026-08-18.

How much do claude-sonnet-5 and grok-4.6 cost?

claude-sonnet-5 runs on Claude Max 20x at $200/month (public price as of 2026-08-05). grok-4.6 runs on SuperGrok at $30/month (public price as of 2026-07-20).