Model comparison
Grok 3 vs Grok 4.1
Grok 4.1 is the stronger model overall, scoring 40.8 to 39.6 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Grok 3 scores higher in 4 categories and Grok 4.1 in 5 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.1 leads 28.3 to 13.8.
Side by side
| Grok 3 | Grok 4.1 | |
|---|---|---|
| Provider | xAI | xAI |
| Noometry Index | 39.6 | 40.8 |
| Released | 2025-04-09 | 2025-11-17 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 40 | 19 |
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Category by category
Coding Grok 3 leads
Grok 3: 41.5 (#113), Grok 4.1: 33.4 (#246)
| Benchmark | Grok 3 | Grok 4.1 |
|---|---|---|
| LMArena Coding | 1432 | 1445 |
| Aider Polyglot | 53.3% | — |
| LMArena WebDev | — | 1214 |
| WeirdML | 37.2% | — |
Agentic & Tool Use Grok 4.1 leads
Grok 3: 30.2 (#69), Grok 4.1: 33.8 (#47)
Reasoning Grok 4.1 leads
Grok 3: 13.8 (#322), Grok 4.1: 28.3 (#91)
| Benchmark | Grok 3 | Grok 4.1 |
|---|---|---|
| LMArena Hard Prompts | 1433 | 1436 |
| ARC-AGI-2 | 0% | — |
| SimpleBench | 36.1% | — |
| Kagi LLM Benchmark | 61.3% | — |
| ARC-AGI-1 | 5.5% | — |
| Epoch Capabilities Index | 138.34 | — |
Math Too close to call
Grok 3: 36.2 (#122), Grok 4.1: 36.2 (#124)
| Benchmark | Grok 3 | Grok 4.1 |
|---|---|---|
| LMArena Math | 1390 | 1422 |
| OTIS Mock AIME 2024-2025 | 55.6% | — |
| Omni-MATH | 46.4% | — |
| MATH Level 5 | 88.7% | — |
| FrontierMath (Feb 2025 set) | 3.8% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Grok 3 leads
Grok 3: 46.0 (#76), Grok 4.1: 38.9 (#129)
| Benchmark | Grok 3 | Grok 4.1 |
|---|---|---|
| LMArena Expert | 1420 | 1417 |
| GPQA Diamond | 75.8% | — |
| MMLU-Pro | 78.8% | — |
| Confabulations | 14.2% | — |
| Vectara Hallucination Rate | 5.8% | — |
| GPQA (HELM) | 65% | — |
Multilingual Grok 4.1 leads
Grok 3: 52.5 (#81), Grok 4.1: 53.6 (#64)
| Benchmark | Grok 3 | Grok 4.1 |
|---|---|---|
| LMArena Non-English | 1411 | 1425 |
| LMArena Chinese | 1448 | 1464 |
| LMArena French | 1460 | 1448 |
| LMArena German | 1431 | 1447 |
| LMArena Japanese | 1389 | 1396 |
| LMArena Korean | 1374 | 1407 |
| LMArena Russian | 1416 | 1434 |
| LMArena Spanish | 1417 | 1438 |
Instruction Following Grok 3 leads
Grok 3: 75.2 (#69), Grok 4.1: 74.0 (#106)
| Benchmark | Grok 3 | Grok 4.1 |
|---|---|---|
| LMArena Instruction Following | 1409 | 1400 |
| IFEval | 88.4% | — |
Long Context Grok 4.1 leads
Grok 3: 38.7 (#187), Grok 4.1: 43.2 (#96)
| Benchmark | Grok 3 | Grok 4.1 |
|---|---|---|
| LMArena Longer Query | 1439 | 1416 |
| Fiction.LiveBench | 58.3% | — |
Writing & Preference Grok 4.1 leads
Grok 3: 56.0 (#136), Grok 4.1: 62.6 (#71)
| Benchmark | Grok 3 | Grok 4.1 |
|---|---|---|
| LMArena Text | 1426 | 1437 |
| LMArena Creative Writing | 1414 | 1411 |
| LMArena Multi-Turn | 1424 | 1438 |
| Short-Story Creative Writing | 76.4% | — |
| EQ-Bench Creative Writing | 1186 | — |
| WildBench | 84.9% | — |
Frequently asked questions
Is Grok 3 better than Grok 4.1?
Grok 4.1 is the stronger model overall, scoring 40.8 to 39.6 on the Noometry Index.
Is Grok 3 or Grok 4.1 better for coding?
Grok 3 scores higher on coding benchmarks: 41.5 versus 33.4 in the Noometry coding category.
How many benchmarks do Grok 3 and Grok 4.1 share?
17 benchmarks have published results for both models. Grok 3 has 40 scored results on Noometry and Grok 4.1 has 19.