Gemini 3.7 Flash vs Grok 4.6
Gemini 3.7 Flash was superseded by Gemini 3.8 Flash. Grok 4.6 was superseded by Grok 4.7. The grades below are the last ones measured, so read them as history rather than as this week's board. See the current roster.
Grok 4.6 leads overall, C- to D+. Gemini 3.7 Flash is about 6.9x cheaper per task. By suite, Gemini 3.7 Flash takes real-world issues (C- to D) and Grok 4.6 takes spec planning (C to D-). Take Gemini 3.7 Flash anyway when you want the side that is cheaper per task, faster on real-world issues and ahead on real-world issues.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: Grok 4.6 vs Gemini 3.7 Flash
Grok 4.6 leads overall, C- to D+. By suite: Gemini 3.7 Flash takes real-world issues, C- to D (60% vs 47% capability); Grok 4.6 takes spec planning, C to D- (66% 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. Grok 4.6 used 13% of SuperGrok Plus's weekly limit per pass, $0.157 per task at the listed price. Per task, Gemini 3.7 Flash is about 6.9x cheaper ($0.023 vs $0.157). Gemini 3.7 Flash is faster on real-world issues: a median task takes 2m 38s against 7m 10s. Both finished every task on it. Reasons to pick Gemini 3.7 Flash anyway: it is cheaper per task ($0.023 vs $0.157), it is faster on real-world issues (2m 38s vs 7m 10s median) and it leads on real-world issues (C- to D).
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; Grok 4.6: real-world issues C- to D, real-world issues usage 4% to 3% of the weekly limit, vibe coding C+ to C-.
| Dimension | Gemini 3.7 Flash | Grok 4.6 | Advantage |
|---|---|---|---|
| Capability | 60% | 47% | +13% (Gemini 3.7 Flash leads) |
| Median task time | 2m 38s | 7m 10s | 4m 32s faster (Gemini 3.7 Flash leads) |
| Approx. task cost | $0.025 / task | $0.046 / task | $0.021 / task lower (Gemini 3.7 Flash 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. Grok 4.6: 3.0% of SuperGrok Plus (3.0% / 1w) per run. Each figure is a share of that agent's own plan, so there is no delta to draw.
| Dimension | Gemini 3.7 Flash | Grok 4.6 | Advantage |
|---|---|---|---|
| Capability | 40% | 66% | +26% (Grok 4.6 leads) |
| Median task time | 1m 38s | 45m 26s | 43m 48s faster (Gemini 3.7 Flash leads) |
| Approx. task cost | $0.014 / task | $0.575 / task | $0.561 / 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. Grok 4.6: 10.0% of SuperGrok Plus (10.0% / 1w) per run. Each figure is a share of that agent's own plan, so there is no delta to draw.
| Dimension | Gemini 3.7 Flash | Grok 4.6 | Advantage |
|---|---|---|---|
| Capability | 61% | 61% | Even |
| Median task time | 3m 37s | 11m 14s | 7m 36s faster (Gemini 3.7 Flash leads) |
| Approx. task cost | $0.028 / task | <$0.230 / task | $0.202 / task lower (Gemini 3.7 Flash 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. Grok 4.6: under 1% of SuperGrok Plus 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 Grok 4.6?
Both clear tier 4 of 5, but Gemini 3.7 Flash scores higher on capability: 60% versus 47% 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 Grok 4.6?
Gemini 3.7 Flash used 9.4% of Google AI Pro's weekly limit per pass, $0.023 per task at the listed price. Grok 4.6 used 13% of SuperGrok Plus's weekly limit per pass, $0.157 per task at the listed price. Per task, Gemini 3.7 Flash is about 6.9x cheaper ($0.023 vs $0.157).