Gemini 3.7 Flash vs Grok 4.5
Gemini 3.7 Flash was superseded by Gemini 3.8 Flash. Grok 4.5 was superseded by Grok 4.7.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 4.5 leads overall, C- to D+. Gemini 3.7 Flash is about 1.4x cheaper per task. By suite, real-world issues is even at C- and vibe coding is even at C-. Take Gemini 3.7 Flash anyway when you want the side that is cheaper per task and faster 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 4.5 vs Gemini 3.7 Flash
Grok 4.5 leads overall, C- to D+. By suite: real-world issues is even at C- (60% vs 60% capability); vibe coding is even at C- (61% vs 59% capability). Only Gemini 3.7 Flash has run spec planning. 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 4.5 used 6.9% of SuperGrok's weekly limit per pass, $0.032 per task at the listed price. Per task, Gemini 3.7 Flash is about 1.4x cheaper ($0.023 vs $0.032). Gemini 3.7 Flash is faster on real-world issues: a median task takes 2m 38s against 3m 9s. Both finished every task on it. Reasons to pick Gemini 3.7 Flash anyway: it is cheaper per task ($0.023 vs $0.032) and it is faster on real-world issues (2m 38s vs 3m 9s median).
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 4.5: real-world issues usage 8.0% to 6.9% of the weekly limit.
| Dimension | Gemini 3.7 Flash | Grok 4.5 | Advantage |
|---|---|---|---|
| Capability | 60% | 60% | Even |
| Median task time | 2m 38s | 3m 9s | 31s faster (Gemini 3.7 Flash leads) |
| Approx. task cost | $0.025 / task | $0.032 / task | $0.007 / 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 4.5: 6.9% of SuperGrok (6.9% / 1w) per run. Each figure is a share of that agent's own plan, so there is no delta to draw.
Only Gemini 3.7 Flash has run this suite, so there is no head-to-head yet.
| Dimension | Gemini 3.7 Flash | Grok 4.5 | Advantage |
|---|---|---|---|
| Capability | 61% | 59% | +3% (Gemini 3.7 Flash leads) |
| Median task time | 3m 37s | 3m 40s | 2s faster (Gemini 3.7 Flash leads) |
| Approx. task cost | $0.028 / task | $0.031 / task | $0.003 / 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 4.5: 0.4% of SuperGrok (0.4% / 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 Grok 4.5?
They are even on our ladder: both clear tier 4 of 5 at 60% capability 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 4.5?
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 4.5 used 6.9% of SuperGrok's weekly limit per pass, $0.032 per task at the listed price. Per task, Gemini 3.7 Flash is about 1.4x cheaper ($0.023 vs $0.032).