Gemini 3.7 Flash vs GPT-6 Sol
Gemini 3.7 Flash was superseded by Gemini 3.8 Flash. GPT-6 Sol was superseded by GPT-6.1 Sol. The grades below are the last ones measured, so read them as history rather than as this week's board. See the current roster.
GPT-6 Sol leads overall, C- to D+. GPT-6 Sol is about 1.3x cheaper per task. By suite, real-world issues is even at C- and GPT-6 Sol takes spec planning (C- to D-). The data gives no reason to pick Gemini 3.7 Flash over GPT-6 Sol this week.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 Sol vs Gemini 3.7 Flash
GPT-6 Sol leads overall, C- to D+. By suite: real-world issues is even at C- (60% vs 55% capability); GPT-6 Sol takes spec planning, C- to D- (60% vs 40% capability); vibe coding is even at C- (61% vs 61% capability). Gemini 3.7 Flash used 9.4% of Google AI Pro's weekly limit per pass, $0.023 per task at the listed price. GPT-6 Sol used 7% of ChatGPT Plus's weekly limit per pass, $0.017 per task at the listed price; at the ~$100 tier the board defaults to that is an estimated ~1.4% of ChatGPT Pro 5x's weekly limit (est, about $0.017 per task). Per task, GPT-6 Sol is about 1.3x cheaper ($0.017 vs $0.023). GPT-6 Sol is faster on real-world issues: a median task takes 1m 41s against 2m 38s. Both finished every task on it. The data gives no reason to pick Gemini 3.7 Flash over GPT-6 Sol this week.
Changed since the previous graded week: Gemini 3.7 Flash: real-world issues usage 8.5% to 8.2% of the weekly limit, spec planning D to D-, spec planning usage 1.3% to 1.2% of the weekly limit; GPT-6 Sol: real-world issues D- to C-, real-world issues usage 4% to 5% of the weekly limit, spec planning C to C-, spec planning usage 1% to 2% of the weekly limit, vibe coding D+ to C-.
| Dimension | Gemini 3.7 Flash | GPT-6 Sol | Advantage |
|---|---|---|---|
| Capability | 60% | 55% | +5% (Gemini 3.7 Flash leads) |
| Median task time | 2m 38s | 1m 41s | 57s faster (GPT-6 Sol leads) |
| Approx. task cost | $0.025 / task | $0.015 / task | $0.010 / task lower (GPT-6 Sol leads) |
Gemini 3.7 Flash: 8.2% of Google AI Pro (49.1% / 5h, 8.2% / 1w) per run. Its weekly limit holds 6 of the week's 33.6 5h windows. GPT-6 Sol: 5.0% of ChatGPT Plus (35.0% / 5h, 5.0% / 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.
| Dimension | Gemini 3.7 Flash | GPT-6 Sol | Advantage |
|---|---|---|---|
| Capability | 40% | 60% | +21% (GPT-6 Sol leads) |
| Median task time | 1m 38s | 2m 58s | 1m 20s faster (Gemini 3.7 Flash leads) |
| Approx. task cost | $0.014 / task | $0.023 / task | $0.009 / task lower (Gemini 3.7 Flash leads) |
Gemini 3.7 Flash: 1.2% of Google AI Pro (7.1% / 5h, 1.2% / 1w) per run. Its weekly limit holds 6 of the week's 33.6 5h windows. GPT-6 Sol: 2.0% of ChatGPT Plus (10.0% / 5h, 2.0% / 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.
| Dimension | Gemini 3.7 Flash | GPT-6 Sol | Advantage |
|---|---|---|---|
| Capability | 61% | 61% | Even |
| Median task time | 3m 37s | 2m 44s | 53s faster (GPT-6 Sol leads) |
| Approx. task cost | $0.028 / task | $0.018 / task | $0.010 / task lower (GPT-6 Sol leads) |
Gemini 3.7 Flash: 0.6% of Google AI Pro (3.6% / 5h, 0.6% / 1w) per good solve. Its weekly limit holds 6 of the week's 33.6 5h windows. GPT-6 Sol: 0.4% of ChatGPT Plus (1.8% / 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 3.7 Flash or GPT-6 Sol?
Gemini 3.7 Flash clears higher: tier 4 of 5 versus tier 1 for GPT-6 Sol on real-world@v3, our private suite of real-world coding problems. Latest measurement 2026-08-30.
Which is cheaper per task, Gemini 3.7 Flash or GPT-6 Sol?
Gemini 3.7 Flash used 9.4% of Google AI Pro's weekly limit per pass, $0.023 per task at the listed price. GPT-6 Sol used 7% of ChatGPT Plus's weekly limit per pass, $0.017 per task at the listed price; at the ~$100 tier the board defaults to that is an estimated ~1.4% of ChatGPT Pro 5x's weekly limit (est, about $0.017 per task). Per task, GPT-6 Sol is about 1.3x cheaper ($0.017 vs $0.023).