Model comparison
Claude Sonnet 4 vs Grok 4.1
Claude Sonnet 4 and Grok 4.1 score almost the same on the Noometry Index (40.6 vs 40.8), so choose on price, context window or the category you care about most.
Last verified . 18 shared benchmarks.
Summary
- They share 18 benchmarks with published results for both. Claude Sonnet 4 scores higher in 4 categories and Grok 4.1 in 5 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in coding, where Claude Sonnet 4 leads 44.0 to 33.4.
Side by side
| Claude Sonnet 4 | Grok 4.1 | |
|---|---|---|
| Provider | Anthropic | xAI |
| Noometry Index | 40.6 | 40.8 |
| Released | 2025-05-22 | 2025-11-17 |
| Weights | Proprietary | Proprietary |
| Context window | 200K | — |
| Max output | 64K | — |
| Input $ / M tokens | $3 | — |
| Output $ / M tokens | $15 | — |
| Results tracked | 58 | 19 |
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Category by category
Coding Claude Sonnet 4 leads
Claude Sonnet 4: 44.0 (#70), Grok 4.1: 33.4 (#246)
| Benchmark | Claude Sonnet 4 | Grok 4.1 |
|---|---|---|
| LMArena Coding | 1414 | 1445 |
| SWE-bench Verified (bash only) | 64.9% | — |
| Aider Polyglot | 61.3% | — |
| LMArena WebDev | — | 1214 |
| SciCode | 40% | — |
| GSO | 4.9% | — |
| WeirdML | 46.1% | — |
| ALE-Bench | 655.35 | — |
Agentic & Tool Use Claude Sonnet 4 leads
Claude Sonnet 4: 38.3 (#29), Grok 4.1: 33.8 (#47)
| Benchmark | Claude Sonnet 4 | Grok 4.1 |
|---|---|---|
| Cybench | 35% | 39% |
| TheAgentCompany | 33.1% | — |
| DeepResearch Bench | 46.6% | — |
| OSWorld | 43.9% | — |
| METR Time Horizons | 62% | — |
Reasoning Grok 4.1 leads
Claude Sonnet 4: 23.0 (#169), Grok 4.1: 28.3 (#91)
| Benchmark | Claude Sonnet 4 | Grok 4.1 |
|---|---|---|
| LMArena Hard Prompts | 1372 | 1436 |
| ARC-AGI-2 | 5.9% | — |
| SimpleBench | 45.5% | — |
| Kagi LLM Benchmark | 73% | — |
| ARC-AGI-1 | 40% | — |
| CritPt | 0.3% | — |
| EnigmaEval | 3.1% | — |
| DTBench | 77.1% | — |
| LMCA | 29% | — |
| Epoch Capabilities Index | 141.69 | — |
| ForecastBench | 60.2 | — |
Math Claude Sonnet 4 leads
Claude Sonnet 4: 41.5 (#71), Grok 4.1: 36.2 (#124)
| Benchmark | Claude Sonnet 4 | Grok 4.1 |
|---|---|---|
| LMArena Math | 1375 | 1422 |
| OTIS Mock AIME 2024-2025 | 71.1% | — |
| Omni-MATH | 60.2% | — |
| MATH Level 5 | 84.4% | — |
| FrontierMath (Feb 2025 set) | 4.1% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Claude Sonnet 4 leads
Claude Sonnet 4: 41.6 (#99), Grok 4.1: 38.9 (#129)
| Benchmark | Claude Sonnet 4 | Grok 4.1 |
|---|---|---|
| LMArena Expert | 1371 | 1417 |
| GPQA Diamond | 79.2% | — |
| Humanity's Last Exam | 7.8% | — |
| MMLU-Pro | 84.3% | — |
| Confabulations | 13.2% | — |
| Vectara Hallucination Rate | 10.3% | — |
| GPQA (HELM) | 70.6% | — |
Multimodal Not comparable
Claude Sonnet 4: 25.6 (#116), Grok 4.1: —
| Benchmark | Claude Sonnet 4 | Grok 4.1 |
|---|---|---|
| LMArena Vision | 1191 | — |
| GeoBench | 37% | — |
| VPCT | 34% | — |
| MindCube | 44.8% | — |
Multilingual Grok 4.1 leads
Claude Sonnet 4: 46.9 (#151), Grok 4.1: 53.6 (#64)
| Benchmark | Claude Sonnet 4 | Grok 4.1 |
|---|---|---|
| LMArena Non-English | 1333 | 1425 |
| LMArena Chinese | 1351 | 1464 |
| LMArena French | 1364 | 1448 |
| LMArena German | 1331 | 1447 |
| LMArena Japanese | 1301 | 1396 |
| LMArena Korean | 1293 | 1407 |
| LMArena Russian | 1355 | 1434 |
| LMArena Spanish | 1356 | 1438 |
Instruction Following Grok 4.1 leads
Claude Sonnet 4: 71.8 (#141), Grok 4.1: 74.0 (#106)
| Benchmark | Claude Sonnet 4 | Grok 4.1 |
|---|---|---|
| LMArena Instruction Following | 1375 | 1400 |
| IFEval | 84% | — |
Long Context Grok 4.1 leads
Claude Sonnet 4: 33.6 (#254), Grok 4.1: 43.2 (#96)
| Benchmark | Claude Sonnet 4 | Grok 4.1 |
|---|---|---|
| LMArena Longer Query | 1398 | 1416 |
| Fiction.LiveBench | 46.9% | — |
Writing & Preference Grok 4.1 leads
Claude Sonnet 4: 57.3 (#127), Grok 4.1: 62.6 (#71)
| Benchmark | Claude Sonnet 4 | Grok 4.1 |
|---|---|---|
| LMArena Text | 1351 | 1437 |
| LMArena Creative Writing | 1345 | 1411 |
| LMArena Multi-Turn | 1376 | 1438 |
| Short-Story Creative Writing | 81.4% | — |
| EQ-Bench Creative Writing | 1483 | — |
| WildBench | 83.8% | — |
Frequently asked questions
Is Claude Sonnet 4 better than Grok 4.1?
Claude Sonnet 4 and Grok 4.1 score almost the same on the Noometry Index (40.6 vs 40.8), so choose on price, context window or the category you care about most.
Is Claude Sonnet 4 or Grok 4.1 better for coding?
Claude Sonnet 4 scores higher on coding benchmarks: 44.0 versus 33.4 in the Noometry coding category.
How many benchmarks do Claude Sonnet 4 and Grok 4.1 share?
18 benchmarks have published results for both models. Claude Sonnet 4 has 58 scored results on Noometry and Grok 4.1 has 19.