Model comparison
Gemini 3 Flash vs Grok 4
Head-to-head evidence from 15 shared benchmark results across 7 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Gemini 3 Flash #49 (Supported); Grok 4 #50 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Gemini 3 Flash and Grok 4 share 15 comparable benchmark results. 1 of 8 categories are comparable. 4 results are unique to Gemini 3 Flash; 1 to Grok 4.
Updated July 22, 2026- Shared results
- 15
- Gemini 3 Flash only
- 4
- Grok 4 only
- 1
- Comparable categories
- 1 / 8
Pick Gemini 3 Flash if you want the stronger benchmark profile. Grok 4 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Confidence note. This is a partial-evidence comparison with 15 shared benchmark results across 7 evidence categories; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
Gemini 3 Flash has the cleaner BenchAlign overall profile here, landing at 60.49 versus 60.42. It is a real lead, but still close enough that category-level strengths matter more than the headline number.
Gemini 3 Flash's sharpest advantage is in mathematics, where it averages 27.8 against 15.3. The single biggest benchmark swing on the page is FrontierMath v2 (Tiers 1-3), 35.640% to 19.655%.
Gemini 3 Flash gives you the larger context window at 1M, compared with 128K for Grok 4.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Gemini 3 Flash | Δ | Grok 4 |
|---|---|---|---|
| Math | Gemini 3 Flash27.8 | Margin← 12.5 | Grok 415.3 |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
FrontierMath v2 (Tiers 1-3)
MathA 35.640%B 19.655%Winner: Gemini 3 FlashΔ 16FrontierMath v2 (Tiers 1-3): Gemini 3 Flash scored 35.640%; Grok 4 scored 19.655%. Gemini 3 Flash wins this benchmark. - Source ↗
FrontierMath v2 (Tier 4)
MathA 4.167%B 2.083%Winner: Gemini 3 FlashΔ 2.1FrontierMath v2 (Tier 4): Gemini 3 Flash scored 4.167%; Grok 4 scored 2.083%. Gemini 3 Flash wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Gemini 3 Flash | Grok 4 | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Gemini 3 Flash$0.5 input / $3 output | Grok 4Not available | A complete price comparison is not available. |
| Generation speedtokens per second | Gemini 3 Flash159 tok/s | Grok 454 tok/s | Gemini 3 Flash has the higher measured throughput. |
| First-answer latencyseconds to first token | Gemini 3 Flash1.19 s | Grok 415.60 s | Gemini 3 Flash reaches the first token sooner. |
| Context windowmaximum listed tokens | Gemini 3 Flash1M | Grok 4128K | Gemini 3 Flash lists the larger context window. |
Benchmark Deep Dive
Agentic4 benchmarks
Coding3 benchmarks
Reasoning2 benchmarks
Knowledge6 benchmarks
| Benchmark | Gemini 3 Flash | Grok 4 | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 27.4% | 33.3% | Grok 4 leads |
| AA-GPQA DiamondSource | 81.2% | 87.7% | Grok 4 leads |
| AA-HLESource | 14.1% | 23.9% | Grok 4 leads |
| AA-Omniscience IndexSource | -3.6% | 3.8% | Grok 4 leads |
| AA-Omniscience AccuracySource | 45.5% | 41.4% | Gemini 3 Flash leads |
| AA-Omniscience Hallucination RateSource | 90.2% | 64.2% | Grok 4 leads |
MathGemini 3 Flash wins2 benchmarks
Multimodal2 benchmarks
Inst. Following1 benchmarks
| Benchmark | Gemini 3 Flash | Grok 4 | Result |
|---|---|---|---|
| AA-IFBenchSource | 55.1% | 53.7% | Gemini 3 Flash leads |
Frequently Asked Questions (2)
Which is better, Gemini 3 Flash or Grok 4?
Gemini 3 Flash is ahead on BenchLM's BenchAlign leaderboard, 60.49 to 60.42. The biggest single separator in this matchup is FrontierMath v2 (Tiers 1-3), where the scores are 35.640% and 19.655%.
Which is better for math, Gemini 3 Flash or Grok 4?
Gemini 3 Flash has the edge for math in this comparison, averaging 27.8 versus 15.3. Inside this category, FrontierMath v2 (Tiers 1-3) is the benchmark that creates the most daylight between them.
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