Model comparison
Gemini 1.5 Flash (May 2024) vs Grok 4.1
Grok 4.1 is the stronger model overall, scoring 40.8 to 32.9 on the Noometry Index.
Last verified . 17 shared benchmarks.
GoogleSummary
- They share 17 benchmarks with published results for both. Gemini 1.5 Flash (May 2024) scores higher in 1 category and Grok 4.1 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Grok 4.1 leads 36.2 to 20.8.
Side by side
| Gemini 1.5 Flash (May 2024) | Grok 4.1 | |
|---|---|---|
| Provider | xAI | |
| Noometry Index | 32.9 | 40.8 |
| Released | 2024-05-14 | 2025-11-17 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 42 | 19 |
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Category by category
Coding Too close to call
Gemini 1.5 Flash (May 2024): 33.9 (#233), Grok 4.1: 33.4 (#246)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4.1 |
|---|---|---|
| LMArena Coding | 1262 | 1445 |
| LMArena WebDev | — | 1214 |
| WeirdML | 24.9% | — |
| BigCodeBench Instruct | 43.5% | — |
| BigCodeBench Complete | 55.1% | — |
| HumanEval+ | 75.6% | — |
| MBPP+ | 67.5% | — |
Agentic & Tool Use Grok 4.1 leads
Gemini 1.5 Flash (May 2024): 26.3 (#97), Grok 4.1: 33.8 (#47)
Reasoning Grok 4.1 leads
Gemini 1.5 Flash (May 2024): 20.8 (#212), Grok 4.1: 28.3 (#91)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4.1 |
|---|---|---|
| LMArena Hard Prompts | 1257 | 1436 |
| DTBench | 53.8% | — |
| Epoch Capabilities Index | 129.37 | — |
| ForecastBench | 53.9 | — |
| PIQA | 87.5% | — |
Math Grok 4.1 leads
Gemini 1.5 Flash (May 2024): 20.8 (#274), Grok 4.1: 36.2 (#124)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4.1 |
|---|---|---|
| LMArena Math | 1269 | 1422 |
| OTIS Mock AIME 2024-2025 | 16.3% | — |
| Omni-MATH | 30.4% | — |
| MATH Level 5 | 61.9% | — |
| FrontierMath (Feb 2025 set) | 0% | — |
| GSM8K | 82.4% | — |
Knowledge Grok 4.1 leads
Gemini 1.5 Flash (May 2024): 26.2 (#253), Grok 4.1: 38.9 (#129)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4.1 |
|---|---|---|
| LMArena Expert | 1233 | 1417 |
| GPQA Diamond | 47.3% | — |
| MMLU-Pro | 67.8% | — |
| GPQA (HELM) | 43.7% | — |
| BoolQ | 85.8% | — |
| MMLU | 77.9% | — |
Multimodal Not comparable
Gemini 1.5 Flash (May 2024): 35.3 (#76), Grok 4.1: —
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4.1 |
|---|---|---|
| LMArena Vision | 1141 | — |
| Video-MME | 70.3% | — |
| GeoBench | 76% | — |
Multilingual Grok 4.1 leads
Gemini 1.5 Flash (May 2024): 43.1 (#184), Grok 4.1: 53.6 (#64)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4.1 |
|---|---|---|
| LMArena Non-English | 1278 | 1425 |
| LMArena Chinese | 1295 | 1464 |
| LMArena French | 1257 | 1448 |
| LMArena German | 1262 | 1447 |
| LMArena Japanese | 1252 | 1396 |
| LMArena Korean | 1220 | 1407 |
| LMArena Russian | 1288 | 1434 |
| LMArena Spanish | 1242 | 1438 |
Instruction Following Grok 4.1 leads
Gemini 1.5 Flash (May 2024): 67.0 (#199), Grok 4.1: 74.0 (#106)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4.1 |
|---|---|---|
| LMArena Instruction Following | 1258 | 1400 |
| IFEval | 83.1% | — |
Long Context Grok 4.1 leads
Gemini 1.5 Flash (May 2024): 39.0 (#182), Grok 4.1: 43.2 (#96)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4.1 |
|---|---|---|
| LMArena Longer Query | 1284 | 1416 |
Writing & Preference Grok 4.1 leads
Gemini 1.5 Flash (May 2024): 48.9 (#190), Grok 4.1: 62.6 (#71)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4.1 |
|---|---|---|
| LMArena Text | 1287 | 1437 |
| LMArena Creative Writing | 1285 | 1411 |
| LMArena Multi-Turn | 1253 | 1438 |
| WildBench | 79.2% | — |
Frequently asked questions
Is Gemini 1.5 Flash (May 2024) better than Grok 4.1?
Grok 4.1 is the stronger model overall, scoring 40.8 to 32.9 on the Noometry Index.
Is Gemini 1.5 Flash (May 2024) or Grok 4.1 better for coding?
They score almost the same on coding (33.9 vs 33.4); test both on your own repository before choosing.
How many benchmarks do Gemini 1.5 Flash (May 2024) and Grok 4.1 share?
17 benchmarks have published results for both models. Gemini 1.5 Flash (May 2024) has 42 scored results on Noometry and Grok 4.1 has 19.