Model comparison
Gemini 1.5 Flash (May 2024) vs Grok-2 (Dec 2024)
Gemini 1.5 Flash (May 2024) and Grok-2 (Dec 2024) score almost the same on the Noometry Index (33.2 vs 33.7), so choose on price, context window or the category you care about most.
Last verified . 24 shared benchmarks.
GoogleSummary
- They share 24 benchmarks with published results for both. Gemini 1.5 Flash (May 2024) scores higher in 5 categories and Grok-2 (Dec 2024) in 3 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 1.5 Flash (May 2024) leads 21.7 to 16.9.
- The biggest single-benchmark swing is DTBench: 53.8% for Gemini 1.5 Flash (May 2024) and 65.2% for Grok-2 (Dec 2024).
Side by side
| Gemini 1.5 Flash (May 2024) | Grok-2 (Dec 2024) | |
|---|---|---|
| Provider | xAI | |
| Noometry Index | 33.2 | 33.7 |
| Released | 2024-05-14 | 2024-08-13 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 42 | 34 |
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Category by category
Coding Gemini 1.5 Flash (May 2024) leads
Gemini 1.5 Flash (May 2024): 34.4 (#236), Grok-2 (Dec 2024): 33.3 (#258)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| WeirdML | 24.9% | 22.2% |
| LMArena Coding | 1261 | 1287 |
| BigCodeBench Instruct | 43.5% | — |
| LiveBench Coding | — | 46.4% |
| BigCodeBench Complete | 55.1% | — |
| HumanEval+ | 75.6% | — |
| MBPP+ | 67.5% | — |
Agentic & Tool Use Not comparable
Gemini 1.5 Flash (May 2024): 26.6 (#102), Grok-2 (Dec 2024): —
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| BALROG | 14.6% | — |
Reasoning Gemini 1.5 Flash (May 2024) leads
Gemini 1.5 Flash (May 2024): 21.7 (#215), Grok-2 (Dec 2024): 16.9 (#299)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Hard Prompts | 1257 | 1272 |
| DTBench | 53.8% | 65.2% |
| Epoch Capabilities Index | 129.36 | 130.48 |
| SimpleBench | — | 22.7% |
| LiveBench Reasoning | — | 54.8% |
| LiveBench Data Analysis | — | 54.5% |
| ForecastBench | 53.9 | — |
| LiveBench | — | 54.3% |
| PIQA | 87.5% | — |
Math Gemini 1.5 Flash (May 2024) leads
Gemini 1.5 Flash (May 2024): 22.1 (#281), Grok-2 (Dec 2024): 20.8 (#284)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 16.3% | 11.5% |
| LMArena Math | 1269 | 1283 |
| MATH Level 5 | 61.9% | 63.5% |
| FrontierMath (Feb 2025 set) | 0% | 0.7% |
| Omni-MATH | 30.4% | — |
| LiveBench Math | — | 54.9% |
| GSM8K | 82.4% | — |
Knowledge Grok-2 (Dec 2024) leads
Gemini 1.5 Flash (May 2024): 26.2 (#260), Grok-2 (Dec 2024): 29.8 (#233)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| GPQA Diamond | 47.3% | 53.8% |
| LMArena Expert | 1233 | 1254 |
| MMLU-Pro | 67.8% | — |
| Confabulations | — | 20.1% |
| GPQA (HELM) | 43.7% | — |
| BoolQ | 85.8% | — |
| MMLU | 77.9% | — |
Multimodal Not comparable
Gemini 1.5 Flash (May 2024): 36.0 (#81), Grok-2 (Dec 2024): —
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Vision | 1141 | — |
| Video-MME | 70.3% | — |
| GeoBench | 76% | — |
Multilingual Too close to call
Gemini 1.5 Flash (May 2024): 42.9 (#189), Grok-2 (Dec 2024): 43.1 (#188)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Non-English | 1278 | 1282 |
| LMArena Chinese | 1295 | 1289 |
| LMArena French | 1258 | 1318 |
| LMArena German | 1262 | 1287 |
| LMArena Japanese | 1252 | 1244 |
| LMArena Korean | 1221 | 1237 |
| LMArena Russian | 1288 | 1286 |
| LMArena Spanish | 1243 | 1281 |
Instruction Following Too close to call
Gemini 1.5 Flash (May 2024): 66.8 (#205), Grok-2 (Dec 2024): 66.9 (#202)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Instruction Following | 1258 | 1270 |
| LiveBench Instruction Following | — | 69.6% |
| IFEval | 83.1% | — |
Long Context Too close to call
Gemini 1.5 Flash (May 2024): 39.0 (#187), Grok-2 (Dec 2024): 38.8 (#190)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Longer Query | 1284 | 1276 |
Writing & Preference Too close to call
Gemini 1.5 Flash (May 2024): 48.7 (#196), Grok-2 (Dec 2024): 48.6 (#198)
| Benchmark | Gemini 1.5 Flash (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Text | 1287 | 1305 |
| LMArena Creative Writing | 1285 | 1284 |
| LMArena Multi-Turn | 1253 | 1290 |
| Short-Story Creative Writing | — | 63.6% |
| WildBench | 79.2% | — |
| LiveBench Language | — | 45.6% |
Frequently asked questions
Is Gemini 1.5 Flash (May 2024) better than Grok-2 (Dec 2024)?
Gemini 1.5 Flash (May 2024) and Grok-2 (Dec 2024) score almost the same on the Noometry Index (33.2 vs 33.7), so choose on price, context window or the category you care about most.
Is Gemini 1.5 Flash (May 2024) or Grok-2 (Dec 2024) better for coding?
Gemini 1.5 Flash (May 2024) scores higher on coding benchmarks: 34.4 versus 33.3 in the Noometry coding category.
How many benchmarks do Gemini 1.5 Flash (May 2024) and Grok-2 (Dec 2024) share?
24 benchmarks have published results for both models. Gemini 1.5 Flash (May 2024) has 42 scored results on Noometry and Grok-2 (Dec 2024) has 34.