Model comparison
Claude 3.7 Sonnet vs Grok 4.5
Grok 4.5 is the stronger model overall, scoring 55.0 to 39.5 on the Noometry Index.
Last verified . 25 shared benchmarks.
Summary
- They share 25 benchmarks with published results for both. Claude 3.7 Sonnet scores higher in 1 category and Grok 4.5 in 9 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.5 leads 56.1 to 18.6.
- The biggest single-benchmark swing is ARC-AGI-1: 28.6% for Claude 3.7 Sonnet and 87.2% for Grok 4.5.
Side by side
| Claude 3.7 Sonnet | Grok 4.5 | |
|---|---|---|
| Provider | Anthropic | xAI |
| Noometry Index | 39.5 | 55.0 |
| Released | 2025-02-24 | 2026-07-08 |
| Weights | Proprietary | Proprietary |
| Context window | — | 500K |
| Max output | — | 500K |
| Input $ / M tokens | — | $2 |
| Output $ / M tokens | — | $6 |
| Results tracked | 58 | 52 |
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Category by category
Coding Grok 4.5 leads
Claude 3.7 Sonnet: 40.6 (#136), Grok 4.5: 52.2 (#35)
| Benchmark | Claude 3.7 Sonnet | Grok 4.5 |
|---|---|---|
| LMArena Coding | 1361 | 1474 |
| SWE-bench Verified | 61% | — |
| DeepSWE | — | 53.8% |
| FrontierCode | — | 42.4% |
| SWE-bench Verified (bash only) | 52.8% | — |
| Aider Polyglot | 64.9% | — |
| LMArena WebDev | — | 1553 |
| SciCode | — | 54.1% |
| GSO | 3.8% | — |
| WeirdML | — | 46.4% |
| LiveBench Coding | 74.5% | — |
| CadEval | 54% | — |
| ALE-Bench | — | 1,309 |
Agentic & Tool Use Grok 4.5 leads
Claude 3.7 Sonnet: 34.1 (#50), Grok 4.5: 44.4 (#17)
| Benchmark | Claude 3.7 Sonnet | Grok 4.5 |
|---|---|---|
| APEX-Agents | — | 56.2% |
| TheAgentCompany | 30.9% | — |
| τ²-bench Banking | — | 47.9% |
| Cybench | 20% | — |
| DeepResearch Bench | 43.6% | — |
| OSWorld | 35.8% | — |
| PostTrainBench | — | 23.4% |
| GBAEval | — | 65.4% |
| GDP.pdf | — | 14% |
| LMArena Search | — | 1213 |
| METR Time Horizons | 60% | — |
| Vending-Bench 2 | — | 3,887 |
Reasoning Grok 4.5 leads
Claude 3.7 Sonnet: 18.6 (#277), Grok 4.5: 56.1 (#25)
| Benchmark | Claude 3.7 Sonnet | Grok 4.5 |
|---|---|---|
| ARC-AGI-2 | 0.9% | 52.6% |
| SimpleBench | 46.4% | 70% |
| ARC-AGI-1 | 28.6% | 87.2% |
| LMArena Hard Prompts | 1333 | 1462 |
| Epoch Capabilities Index | 141.16 | 153.92 |
| Kagi LLM Benchmark | — | 83.5% |
| NYT Connections (extended) | — | 79.9% |
| CritPt | — | 15.4% |
| Chess Puzzles | — | 36% |
| EnigmaEval | 4.2% | — |
| LiveBench Reasoning | 87.8% | — |
| DTBench | — | 96.5% |
| LiveBench Data Analysis | 74% | — |
| LMCA | — | 45.2% |
| Surface Evolver Bench | — | 74.4% |
| ForecastBench | 61.8 | — |
| LiveBench | 76.1% | — |
Math Grok 4.5 leads
Claude 3.7 Sonnet: 37.5 (#153), Grok 4.5: 60.9 (#35)
| Benchmark | Claude 3.7 Sonnet | Grok 4.5 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 57.8% | 97.8% |
| LMArena Math | 1337 | 1459 |
| FrontierMath (Tiers 1-3) | — | 57.2% |
| FrontierMath Tier 4 | — | 24.4% |
| ProofBench | — | 31% |
| Omni-MATH | 33% | — |
| LiveBench Math | 79% | — |
| MATH Level 5 | 91.2% | — |
| FrontierMath (Feb 2025 set) | 4.1% | — |
Knowledge Grok 4.5 leads
Claude 3.7 Sonnet: 39.8 (#130), Grok 4.5: 62.3 (#24)
| Benchmark | Claude 3.7 Sonnet | Grok 4.5 |
|---|---|---|
| GPQA Diamond | 79.7% | 93.4% |
| LMArena Expert | 1321 | 1466 |
| Humanity's Last Exam | 8% | — |
| SimpleQA Verified | — | 48.3% |
| MMLU-Pro | 78.4% | — |
| Confabulations | 14.7% | — |
| GPQA (HELM) | 60.8% | — |
Multimodal Grok 4.5 leads
Claude 3.7 Sonnet: 33.7 (#95), Grok 4.5: 37.6 (#72)
| Benchmark | Claude 3.7 Sonnet | Grok 4.5 |
|---|---|---|
| LMArena Vision | 1169 | 1288 |
| GeoBench | 68% | — |
| VPCT | 39% | — |
| Blueprint-Bench 2 | — | 27.3% |
| Furniture Assembly | — | 22.5% |
| LMArena Document | — | 1452 |
| SpatialViz-Bench | 33.9% | — |
Multilingual Grok 4.5 leads
Claude 3.7 Sonnet: 44.1 (#179), Grok 4.5: 54.4 (#42)
| Benchmark | Claude 3.7 Sonnet | Grok 4.5 |
|---|---|---|
| LMArena Non-English | 1296 | 1440 |
| LMArena Chinese | 1299 | 1496 |
| LMArena French | 1303 | 1456 |
| LMArena German | 1301 | 1446 |
| LMArena Japanese | 1267 | 1428 |
| LMArena Korean | 1249 | 1404 |
| LMArena Russian | 1311 | 1448 |
| LMArena Spanish | 1298 | 1450 |
Instruction Following Grok 4.5 leads
Claude 3.7 Sonnet: 72.9 (#125), Grok 4.5: 76.0 (#48)
| Benchmark | Claude 3.7 Sonnet | Grok 4.5 |
|---|---|---|
| LMArena Instruction Following | 1352 | 1446 |
| LiveBench Instruction Following | 81.3% | — |
| IFEval | 83.4% | — |
Long Context Claude 3.7 Sonnet leads
Claude 3.7 Sonnet: 50.3 (#10), Grok 4.5: 44.8 (#56)
| Benchmark | Claude 3.7 Sonnet | Grok 4.5 |
|---|---|---|
| LMArena Longer Query | 1373 | 1463 |
| Fiction.LiveBench | 83.3% | — |
Writing & Preference Grok 4.5 leads
Claude 3.7 Sonnet: 54.4 (#150), Grok 4.5: 65.8 (#42)
| Benchmark | Claude 3.7 Sonnet | Grok 4.5 |
|---|---|---|
| LMArena Text | 1314 | 1448 |
| LMArena Creative Writing | 1332 | 1442 |
| EQ-Bench Creative Writing | 1412 | 1579 |
| LMArena Multi-Turn | 1339 | 1456 |
| Short-Story Creative Writing | 81.1% | — |
| WildBench | 81.4% | — |
| LiveBench Language | 59.9% | — |
Frequently asked questions
Is Claude 3.7 Sonnet better than Grok 4.5?
Grok 4.5 is the stronger model overall, scoring 55.0 to 39.5 on the Noometry Index.
Is Claude 3.7 Sonnet or Grok 4.5 better for coding?
Grok 4.5 scores higher on coding benchmarks: 52.2 versus 40.6 in the Noometry coding category.
How many benchmarks do Claude 3.7 Sonnet and Grok 4.5 share?
25 benchmarks have published results for both models. Claude 3.7 Sonnet has 58 scored results on Noometry and Grok 4.5 has 52.