Electricity Bench

gemini-3.1-pro vs claude-haiku-4-5

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-3.1-proClears tier 3 (partial tier 5) at 8.0% of Google AI Pro per runDOVERALLclaude-haiku-4-5Clears tier 1 (partial tier 5) at 3.0% of Claude Max 20x per runFOVERALL
real-world@v3DvsF
Dimensiongemini-3.1-proclaude-haiku-4-5Advantage
Capability47%28%+18% (gemini-3.1-pro leads)
Median task time4m 24s3m 31s53s faster (claude-haiku-4-5 leads)
Approx. task cost$0.025 / task$0.003 / task$0.022 / task lower (claude-haiku-4-5 leads)

gemini-3.1-pro: 8.0% of Google AI Pro (48.1% / 5h, 8.0% / 1w) per run. claude-haiku-4-5: 3.0% of Claude Max 20x (3.0% / 5h, 1.0% / 1w) per run. Each figure is a share of that agent's own plan, so there is no delta to draw.

vibe-coding@v1FvsF
Dimensiongemini-3.1-proclaude-haiku-4-5Advantage
Capability25%23%+2% (gemini-3.1-pro leads)
Median task time4m 34s3m 50s44s faster (claude-haiku-4-5 leads)
Approx. task cost$0.032 / task$0.007 / task$0.025 / task lower (claude-haiku-4-5 leads)

gemini-3.1-pro: 0.7% of Google AI Pro (4.2% / 5h, 0.7% / 1w) per good solve. claude-haiku-4-5: 0.5% of Claude Max 20x (0.5% / 5h) 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-3.1-pro or claude-haiku-4-5?

gemini-3.1-pro clears higher: tier 3 of 5 versus tier 1 for claude-haiku-4-5 on real-world@v3, our private suite of real-world coding problems. Latest measurement 2026-08-10.