Electricity Bench

gemini-3.7-flash vs claude-sonnet-5

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.

gemini-3.7-flashClears tier 4 (partial tier 5) at 9.0% of Google AI Pro per runCOVERALLclaude-sonnet-5Clears tier 3 (partial tier 5) at 9.7% of Claude Max 20x per runDOVERALL
real-world@v3CvsD
Dimensiongemini-3.7-flashclaude-sonnet-5Advantage
Capability73%53%+20% (gemini-3.7-flash leads)
Median task time2m 25s5m 6s2m 41s faster (gemini-3.7-flash leads)
Approx. task cost$0.028 / task$0.009 / task$0.019 / task lower (claude-sonnet-5 leads)

gemini-3.7-flash: 9.0% of Google AI Pro (54.0% / 5h, 9.0% / 1w) per run. claude-sonnet-5: about 9.7% of Claude Max 20x (about 9.7% / 5h, 1.0% / 1w) per run (estimated: 2 of 15 cells measured no share of their own). Each figure is a share of that agent's own plan, so there is no delta to draw.

vibe-coding@v1CvsD
Dimensiongemini-3.7-flashclaude-sonnet-5Advantage
Capability72%37%+35% (gemini-3.7-flash leads)
Median task time3m 37s5m 21s1m 44s faster (gemini-3.7-flash leads)
Approx. task cost$0.031 / task$0.005 / task$0.025 / task lower (claude-sonnet-5 leads)

gemini-3.7-flash: 0.7% of Google AI Pro (4.0% / 5h, 0.7% / 1w) per good solve. claude-sonnet-5: 0.4% of Claude Max 20x (0.4% / 5h, 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, gemini-3.7-flash or claude-sonnet-5?

gemini-3.7-flash clears higher: tier 4 of 5 versus tier 3 for claude-sonnet-5 on real-world@v3, our private suite of real-world coding problems. Latest measurement 2026-08-13.