Model comparison
Gemini 1.5 Flash (May 2024) vs Grok 4
Grok 4 is the stronger model overall, scoring 47.8 to 32.9 on the Noometry Index.
Last verified . 31 shared benchmarks.
GoogleSummary
- They share 31 benchmarks with published results for both. Gemini 1.5 Flash (May 2024) scores higher in 1 category and Grok 4 in 9 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 4 leads 53.7 to 26.2.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 16.3% for Gemini 1.5 Flash (May 2024) and 84% for Grok 4.
Side by side
| Gemini 1.5 Flash (May 2024) | Grok 4 | |
|---|---|---|
| Provider | xAI | |
| Noometry Index | 32.9 | 47.8 |
| Released | 2024-05-14 | 2025-07-09 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 42 | 48 |
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Category by category
Coding Grok 4 leads
Gemini 1.5 Flash (May 2024): 33.9 (#233), Grok 4: 49.9 (#44)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4 |
|---|---|---|
| WeirdML | 24.9% | 45.7% |
| LMArena Coding | 1262 | 1408 |
| Aider Polyglot | — | 79.6% |
| BigCodeBench Instruct | 43.5% | — |
| BigCodeBench Complete | 55.1% | — |
| HumanEval+ | 75.6% | — |
| MBPP+ | 67.5% | — |
Agentic & Tool Use Grok 4 leads
Gemini 1.5 Flash (May 2024): 26.3 (#97), Grok 4: 32.1 (#62)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4 |
|---|---|---|
| BALROG | 14.6% | 43.6% |
| Terminal-Bench | — | 27.2% |
| Berkeley Function Calling Leaderboard | — | 63% |
| GDPval | — | 21.1% |
| Cybench | — | 43% |
| DeepResearch Bench | — | 47.3% |
| LMArena Search | — | 1142 |
| METR Time Horizons | — | 66.6% |
Reasoning Grok 4 leads
Gemini 1.5 Flash (May 2024): 20.8 (#212), Grok 4: 36.9 (#59)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4 |
|---|---|---|
| LMArena Hard Prompts | 1257 | 1409 |
| Epoch Capabilities Index | 129.37 | 146.46 |
| ForecastBench | 53.9 | 60.9 |
| ARC-AGI-2 | — | 16% |
| SimpleBench | — | 60.5% |
| Kagi LLM Benchmark | — | 73.6% |
| ARC-AGI-1 | — | 66.7% |
| Chess Puzzles | — | 28% |
| DTBench | 53.8% | — |
| PIQA | 87.5% | — |
Math Grok 4 leads
Gemini 1.5 Flash (May 2024): 20.8 (#274), Grok 4: 46.5 (#58)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 16.3% | 84% |
| Omni-MATH | 30.4% | 60.3% |
| LMArena Math | 1269 | 1422 |
| FrontierMath (Feb 2025 set) | 0% | 19.7% |
| MATH Level 5 | 61.9% | — |
| FrontierMath Tier 4 (v1) | — | 2.1% |
| GSM8K | 82.4% | — |
Knowledge Grok 4 leads
Gemini 1.5 Flash (May 2024): 26.2 (#253), Grok 4: 53.7 (#50)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4 |
|---|---|---|
| GPQA Diamond | 47.3% | 87% |
| MMLU-Pro | 67.8% | 85.1% |
| GPQA (HELM) | 43.7% | 72.7% |
| LMArena Expert | 1233 | 1417 |
| Confabulations | — | 12.4% |
| BoolQ | 85.8% | — |
| MMLU | 77.9% | — |
Multimodal Gemini 1.5 Flash (May 2024) leads
Gemini 1.5 Flash (May 2024): 35.3 (#76), Grok 4: 33.1 (#89)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4 |
|---|---|---|
| LMArena Vision | 1141 | 1211 |
| GeoBench | 76% | 45% |
| Video-MME | 70.3% | — |
Multilingual Grok 4 leads
Gemini 1.5 Flash (May 2024): 43.1 (#184), Grok 4: 52.0 (#98)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4 |
|---|---|---|
| LMArena Non-English | 1278 | 1403 |
| LMArena Chinese | 1295 | 1428 |
| LMArena French | 1257 | 1418 |
| LMArena German | 1262 | 1429 |
| LMArena Japanese | 1252 | 1396 |
| LMArena Korean | 1220 | 1376 |
| LMArena Russian | 1288 | 1409 |
| LMArena Spanish | 1242 | 1419 |
Instruction Following Grok 4 leads
Gemini 1.5 Flash (May 2024): 67.0 (#199), Grok 4: 79.4 (#4)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4 |
|---|---|---|
| IFEval | 83.1% | 94.9% |
| LMArena Instruction Following | 1258 | 1387 |
Long Context Grok 4 leads
Gemini 1.5 Flash (May 2024): 39.0 (#182), Grok 4: 63.1 (#4)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4 |
|---|---|---|
| LMArena Longer Query | 1284 | 1409 |
| Fiction.LiveBench | — | 94.4% |
Writing & Preference Grok 4 leads
Gemini 1.5 Flash (May 2024): 48.9 (#190), Grok 4: 58.7 (#111)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok 4 |
|---|---|---|
| LMArena Text | 1287 | 1412 |
| LMArena Creative Writing | 1285 | 1397 |
| WildBench | 79.2% | 79.7% |
| LMArena Multi-Turn | 1253 | 1416 |
| Short-Story Creative Writing | — | 76.9% |
Frequently asked questions
Is Gemini 1.5 Flash (May 2024) better than Grok 4?
Grok 4 is the stronger model overall, scoring 47.8 to 32.9 on the Noometry Index.
Is Gemini 1.5 Flash (May 2024) or Grok 4 better for coding?
Grok 4 scores higher on coding benchmarks: 49.9 versus 33.9 in the Noometry coding category.
How many benchmarks do Gemini 1.5 Flash (May 2024) and Grok 4 share?
31 benchmarks have published results for both models. Gemini 1.5 Flash (May 2024) has 42 scored results on Noometry and Grok 4 has 48.