Model comparison
Claude 2.1 vs Grok 4.1
Grok 4.1 is the stronger model overall, scoring 41.5 to 25.2 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in math, where Grok 4.1 leads 38.9 to 10.2.
Side by side
| Claude 2.1 | Grok 4.1 | |
|---|---|---|
| Provider | Anthropic | xAI |
| Noometry Index | 25.2 | 41.5 |
| Released | 2023-11-21 | 2025-11-17 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 7 | 19 |
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Category by category
Coding Grok 4.1 leads
Claude 2.1: 26.2 (#327), Grok 4.1: 33.7 (#253)
| Benchmark | Claude 2.1 | Grok 4.1 |
|---|---|---|
| LMArena WebDev | — | 1214 |
| WeirdML | 7.1% | — |
| LMArena Coding | — | 1445 |
Agentic & Tool Use Not comparable
Claude 2.1: —, Grok 4.1: 34.1 (#49)
| Benchmark | Claude 2.1 | Grok 4.1 |
|---|---|---|
| Cybench | — | 39% |
Reasoning Grok 4.1 leads
Claude 2.1: 21.4 (#221), Grok 4.1: 29.5 (#91)
| Benchmark | Claude 2.1 | Grok 4.1 |
|---|---|---|
| LMArena Hard Prompts | — | 1435 |
| DTBench | 51% | — |
| Epoch Capabilities Index | 119.27 | — |
| ForecastBench | 54.2 | — |
Math Grok 4.1 leads
Claude 2.1: 10.2 (#315), Grok 4.1: 38.9 (#120)
| Benchmark | Claude 2.1 | Grok 4.1 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | — |
| LMArena Math | — | 1422 |
Knowledge Grok 4.1 leads
Claude 2.1: 15.4 (#292), Grok 4.1: 39.5 (#133)
| Benchmark | Claude 2.1 | Grok 4.1 |
|---|---|---|
| GPQA Diamond | 33% | — |
| LMArena Expert | — | 1417 |
| MMLU | 73.5% | — |
Multilingual Not comparable
Claude 2.1: —, Grok 4.1: 53.4 (#68)
| Benchmark | Claude 2.1 | Grok 4.1 |
|---|---|---|
| LMArena Non-English | — | 1425 |
| LMArena Chinese | — | 1465 |
| LMArena French | — | 1448 |
| LMArena German | — | 1446 |
| LMArena Japanese | — | 1397 |
| LMArena Korean | — | 1407 |
| LMArena Russian | — | 1434 |
| LMArena Spanish | — | 1438 |
Instruction Following Not comparable
Claude 2.1: —, Grok 4.1: 73.8 (#111)
| Benchmark | Claude 2.1 | Grok 4.1 |
|---|---|---|
| LMArena Instruction Following | — | 1400 |
Long Context Not comparable
Claude 2.1: —, Grok 4.1: 43.2 (#100)
| Benchmark | Claude 2.1 | Grok 4.1 |
|---|---|---|
| LMArena Longer Query | — | 1416 |
Writing & Preference Not comparable
Claude 2.1: —, Grok 4.1: 62.4 (#75)
| Benchmark | Claude 2.1 | Grok 4.1 |
|---|---|---|
| LMArena Text | — | 1437 |
| LMArena Creative Writing | — | 1411 |
| LMArena Multi-Turn | — | 1437 |
Frequently asked questions
Is Claude 2.1 better than Grok 4.1?
Grok 4.1 is the stronger model overall, scoring 41.5 to 25.2 on the Noometry Index.
Is Claude 2.1 or Grok 4.1 better for coding?
Grok 4.1 scores higher on coding benchmarks: 33.7 versus 26.2 in the Noometry coding category.
How many benchmarks do Claude 2.1 and Grok 4.1 share?
0 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Grok 4.1 has 19.