Model comparison
Gemini 2.0 Flash (Feb 2025) vs Grok 4.1 Fast
Grok 4.1 Fast is the stronger model overall, scoring 40.9 to 34.8 on the Noometry Index.
Last verified . 21 shared benchmarks.
GoogleSummary
- They share 21 benchmarks with published results for both. Gemini 2.0 Flash (Feb 2025) scores higher in 2 categories and Grok 4.1 Fast in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.1 Fast leads 42.3 to 15.2.
- The biggest single-benchmark swing is SimpleBench: 31.1% for Gemini 2.0 Flash (Feb 2025) and 56% for Grok 4.1 Fast.
Side by side
| Gemini 2.0 Flash (Feb 2025) | Grok 4.1 Fast | |
|---|---|---|
| Provider | xAI | |
| Noometry Index | 34.8 | 40.9 |
| Released | 2024-12-06 | 2025-06-27 |
| Weights | Proprietary | Proprietary |
| Context window | — | 128K |
| Max output | — | 30K |
| Input $ / M tokens | — | $0.20 |
| Output $ / M tokens | — | $0.50 |
| Results tracked | 54 | 32 |
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Category by category
Coding Grok 4.1 Fast leads
Gemini 2.0 Flash (Feb 2025): 28.2 (#308), Grok 4.1 Fast: 33.8 (#236)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Grok 4.1 Fast |
|---|---|---|
| LMArena Coding | 1351 | 1411 |
| SWE-bench Verified (bash only) | 13.5% | — |
| Aider Polyglot | 38.2% | — |
| LMArena WebDev | — | 1241 |
| WeirdML | 25.8% | — |
| BigCodeBench Instruct | 45.9% | — |
| LiveBench Coding | 63.4% | — |
| BigCodeBench Complete | 59.9% | — |
| CadEval | 30% | — |
| ALE-Bench | — | 394.93 |
Agentic & Tool Use Grok 4.1 Fast leads
Gemini 2.0 Flash (Feb 2025): 28.0 (#85), Grok 4.1 Fast: 36.1 (#35)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Grok 4.1 Fast |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 69.6% |
| TheAgentCompany | 11.4% | — |
| τ²-bench Banking | — | 13.1% |
| LMArena Search | — | 1171 |
| Vending-Bench 2 | — | 1,107 |
Reasoning Grok 4.1 Fast leads
Gemini 2.0 Flash (Feb 2025): 15.2 (#308), Grok 4.1 Fast: 42.3 (#45)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Grok 4.1 Fast |
|---|---|---|
| SimpleBench | 31.1% | 56% |
| LMArena Hard Prompts | 1346 | 1407 |
| DTBench | 63.2% | 87.7% |
| ARC-AGI-2 | 1.3% | — |
| Kagi LLM Benchmark | 37.8% | — |
| NYT Connections (extended) | — | 87.4% |
| EnigmaEval | 1.1% | — |
| LiveBench Reasoning | 78.2% | — |
| LiveBench Data Analysis | 69.4% | — |
| Epoch Capabilities Index | 135.36 | — |
| ForecastBench | — | 61 |
| LiveBench | 66.9% | — |
Math Gemini 2.0 Flash (Feb 2025) leads
Gemini 2.0 Flash (Feb 2025): 36.1 (#127), Grok 4.1 Fast: 30.9 (#201)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Grok 4.1 Fast |
|---|---|---|
| LMArena Math | 1351 | 1408 |
| MathArena Final-Answer Competitions | — | 60.9% |
| OTIS Mock AIME 2024-2025 | 57.8% | — |
| ProofBench | — | 4% |
| Omni-MATH | 45.9% | — |
| LiveBench Math | 75.8% | — |
| MATH Level 5 | 82.2% | — |
| FrontierMath (Feb 2025 set) | 1.7% | — |
Knowledge Too close to call
Gemini 2.0 Flash (Feb 2025): 32.0 (#207), Grok 4.1 Fast: 32.6 (#203)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Grok 4.1 Fast |
|---|---|---|
| LMArena Expert | 1340 | 1398 |
| GPQA Diamond | 64.1% | — |
| Humanity's Last Exam | 6.6% | — |
| MMLU-Pro | 73.7% | — |
| Confabulations | 12.4% | — |
| Vectara Hallucination Rate | — | 17.8% |
| GPQA (HELM) | 55.6% | — |
| MMLU | 79.7% | — |
Multimodal Too close to call
Gemini 2.0 Flash (Feb 2025): 35.9 (#74), Grok 4.1 Fast: 36.3 (#71)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Grok 4.1 Fast |
|---|---|---|
| LMArena Vision | 1158 | 1201 |
| GeoBench | 77% | — |
Multilingual Grok 4.1 Fast leads
Gemini 2.0 Flash (Feb 2025): 47.6 (#144), Grok 4.1 Fast: 51.1 (#110)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Grok 4.1 Fast |
|---|---|---|
| LMArena Non-English | 1342 | 1391 |
| LMArena Chinese | 1373 | 1441 |
| LMArena French | 1390 | 1416 |
| LMArena German | 1354 | 1404 |
| LMArena Japanese | 1293 | 1347 |
| LMArena Korean | 1314 | 1361 |
| LMArena Russian | 1351 | 1387 |
| LMArena Spanish | 1363 | 1411 |
Instruction Following Gemini 2.0 Flash (Feb 2025) leads
Gemini 2.0 Flash (Feb 2025): 74.6 (#91), Grok 4.1 Fast: 72.8 (#127)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Grok 4.1 Fast |
|---|---|---|
| LMArena Instruction Following | 1336 | 1376 |
| LiveBench Instruction Following | 85.8% | — |
| IFEval | 84.1% | — |
Long Context Grok 4.1 Fast leads
Gemini 2.0 Flash (Feb 2025): 38.1 (#198), Grok 4.1 Fast: 42.4 (#121)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Grok 4.1 Fast |
|---|---|---|
| LMArena Longer Query | 1345 | 1390 |
| Fiction.LiveBench | 61.1% | — |
Writing & Preference Grok 4.1 Fast leads
Gemini 2.0 Flash (Feb 2025): 49.8 (#184), Grok 4.1 Fast: 57.4 (#126)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Grok 4.1 Fast |
|---|---|---|
| LMArena Text | 1354 | 1408 |
| LMArena Creative Writing | 1340 | 1394 |
| EQ-Bench Creative Writing | 1128 | 1327 |
| LMArena Multi-Turn | 1350 | 1389 |
| Short-Story Creative Writing | 73.8% | — |
| WildBench | 80% | — |
| LiveBench Language | 51.3% | — |
Frequently asked questions
Is Gemini 2.0 Flash (Feb 2025) better than Grok 4.1 Fast?
Grok 4.1 Fast is the stronger model overall, scoring 40.9 to 34.8 on the Noometry Index.
Is Gemini 2.0 Flash (Feb 2025) or Grok 4.1 Fast better for coding?
Grok 4.1 Fast scores higher on coding benchmarks: 33.8 versus 28.2 in the Noometry coding category.
How many benchmarks do Gemini 2.0 Flash (Feb 2025) and Grok 4.1 Fast share?
21 benchmarks have published results for both models. Gemini 2.0 Flash (Feb 2025) has 54 scored results on Noometry and Grok 4.1 Fast has 32.