Electricity Bench

Gemini 3.6 Flash vs GPT-6.1 Sol

Gemini 3.6 Flash was superseded by Gemini 3.8 Flash. The grades below are the last ones measured, so read them as history rather than as this week's board. See the current roster.

Both grade C overall. GPT-6.1 Sol is about 2.7x cheaper per task. By suite, real-world issues is even at C- and vibe coding is even at C+. Both agents run the same private suite cut headless through their own tools, each on its own subscription.Measured

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.

Verdict: GPT-6.1 Sol vs Gemini 3.6 Flash

Both grade C overall. By suite: real-world issues is even at C- (60% vs 57% capability); vibe coding is even at C+ (72% vs 72% capability). Only GPT-6.1 Sol has run spec planning. Gemini 3.6 Flash used 12.6% of Google AI Pro's weekly limit per pass, $0.039 per task at the listed price. GPT-6.1 Sol used 6% of ChatGPT Plus's weekly limit per pass, $0.015 per task at the listed price; at the ~$100 tier the board defaults to that is an estimated ~1.2% of ChatGPT Pro 5x's weekly limit (est, about $0.015 per task). Per task, GPT-6.1 Sol is about 2.7x cheaper ($0.015 vs $0.039). Gemini 3.6 Flash is faster on real-world issues: a median task takes 2m 17s against 3m 26s. Both finished every task on it.

Changed since W32: Gemini 3.6 Flash unchanged; GPT-6.1 Sol has one graded week under this version (W40).

Gemini 3.6 FlashClears tier 4 (partial tier 5) at 12.6% of Google AI Pro per runCOVERALLGPT-6.1 SolClears tier 2 (partial tier 5) at 4.0% of ChatGPT Plus per runCOVERALL
real-world@v3C-vsC-
DimensionGemini 3.6 FlashGPT-6.1 SolAdvantage
Capability60%57%+3% (Gemini 3.6 Flash leads)
Median task time2m 17s3m 26s1m 9s faster (Gemini 3.6 Flash leads)
Approx. task cost$0.039 / task$0.012 / task$0.027 / task lower (GPT-6.1 Sol leads)

Gemini 3.6 Flash: 12.6% of Google AI Pro (about 72.1% / 5h, 12.6% / 1w) per run. Its weekly limit holds 6 of the week's 33.6 5h windows. GPT-6.1 Sol: 4.0% of ChatGPT Plus (28.0% / 5h, 4.0% / 1w) per run. Its weekly limit holds about 6 of the week's 33.6 5h windows. Each figure is a share of that agent's own plan, so there is no delta to draw.

spec-planning@v1-vsC+

Only GPT-6.1 Sol has run this suite, so there is no head-to-head yet.

vibe-coding@v1C+vsC+
DimensionGemini 3.6 FlashGPT-6.1 SolAdvantage
Capability72%72%Even
Median task time1m 54s4m 55s3m 1s faster (Gemini 3.6 Flash leads)
Approx. task cost$0.038 / task$0.018 / task$0.019 / task lower (GPT-6.1 Sol leads)

Gemini 3.6 Flash: 0.8% of Google AI Pro (4.9% / 5h, 0.8% / 1w) per good solve. Its weekly limit holds 6 of the week's 33.6 5h windows. GPT-6.1 Sol: 0.4% of ChatGPT Plus (2.2% / 5h, 0.4% / 1w) per good solve. Its weekly limit holds about 6 of the week's 33.6 5h windows. 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 3.6 Flash or GPT-6.1 Sol?

Gemini 3.6 Flash clears higher: tier 4 of 5 versus tier 2 for GPT-6.1 Sol on real-world@v3, our private suite of real-world coding problems. Latest measurement 2026-08-10.

Which is cheaper per task, Gemini 3.6 Flash or GPT-6.1 Sol?

Gemini 3.6 Flash used 12.6% of Google AI Pro's weekly limit per pass, $0.039 per task at the listed price. GPT-6.1 Sol used 6% of ChatGPT Plus's weekly limit per pass, $0.015 per task at the listed price; at the ~$100 tier the board defaults to that is an estimated ~1.2% of ChatGPT Pro 5x's weekly limit (est, about $0.015 per task). Per task, GPT-6.1 Sol is about 2.7x cheaper ($0.015 vs $0.039).