Model comparison
Claude Opus 4 vs Grok 2 Mini 2024 08 13
Claude Opus 4 is the stronger model overall, scoring 43.1 to 37.7 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Claude Opus 4 scores higher in 8 categories and Grok 2 Mini 2024 08 13 in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Claude Opus 4 leads 61.2 to 47.3.
Side by side
| Claude Opus 4 | Grok 2 Mini 2024 08 13 | |
|---|---|---|
| Provider | Anthropic | xAI |
| Noometry Index | 43.1 | 37.7 |
| Released | 2025-05-22 | 2024-08-13 |
| Weights | Proprietary | Proprietary |
| Context window | 200K | — |
| Max output | 32K | — |
| Input $ / M tokens | $15 | — |
| Output $ / M tokens | $75 | — |
| Results tracked | 56 | 17 |
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Category by category
Coding Claude Opus 4 leads
Claude Opus 4: 47.2 (#62), Grok 2 Mini 2024 08 13: 37.0 (#199)
| Benchmark | Claude Opus 4 | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Coding | 1442 | 1269 |
| SWE-bench Verified | 70.7% | — |
| SWE-bench Verified (bash only) | 67.6% | — |
| Aider Polyglot | 72% | — |
| GSO | 6.9% | — |
| WeirdML | 43.7% | — |
| AlgoTune | 1.33 | — |
Agentic & Tool Use Not comparable
Claude Opus 4: 34.8 (#42), Grok 2 Mini 2024 08 13: —
| Benchmark | Claude Opus 4 | Grok 2 Mini 2024 08 13 |
|---|---|---|
| Cybench | 38% | — |
| DeepResearch Bench | 46.8% | — |
| LMArena Search | 1127 | — |
| METR Time Horizons | 63.9% | — |
Reasoning Claude Opus 4 leads
Claude Opus 4: 27.3 (#121), Grok 2 Mini 2024 08 13: 24.8 (#159)
| Benchmark | Claude Opus 4 | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Hard Prompts | 1399 | 1255 |
| ARC-AGI-2 | 8.6% | — |
| SimpleBench | 58.8% | — |
| Kagi LLM Benchmark | 74.3% | — |
| ARC-AGI-1 | 35.7% | — |
| CritPt | 0.3% | — |
| EnigmaEval | 5.6% | — |
| DTBench | 81.6% | — |
| LMCA | 37.4% | — |
| Epoch Capabilities Index | 142.67 | — |
| ForecastBench | 61.1 | — |
Math Claude Opus 4 leads
Claude Opus 4: 42.0 (#86), Grok 2 Mini 2024 08 13: 35.4 (#185)
| Benchmark | Claude Opus 4 | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Math | 1390 | 1265 |
| OTIS Mock AIME 2024-2025 | 64.4% | — |
| Omni-MATH | 61.6% | — |
| MATH Level 5 | 85% | — |
| FrontierMath (Feb 2025 set) | 4.5% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Claude Opus 4 leads
Claude Opus 4: 44.0 (#88), Grok 2 Mini 2024 08 13: 33.9 (#200)
| Benchmark | Claude Opus 4 | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Expert | 1386 | 1238 |
| GPQA Diamond | 76.3% | — |
| Humanity's Last Exam | 10.7% | — |
| MMLU-Pro | 87.5% | — |
| Confabulations | 15.9% | — |
| Vectara Hallucination Rate | 12% | — |
| GPQA (HELM) | 70.8% | — |
Multimodal Not comparable
Claude Opus 4: 31.5 (#106), Grok 2 Mini 2024 08 13: —
| Benchmark | Claude Opus 4 | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Vision | 1192 | — |
| GeoBench | 49% | — |
| VPCT | 38% | — |
Multilingual Claude Opus 4 leads
Claude Opus 4: 48.8 (#138), Grok 2 Mini 2024 08 13: 41.4 (#208)
| Benchmark | Claude Opus 4 | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Non-English | 1362 | 1257 |
| LMArena Chinese | 1386 | 1262 |
| LMArena French | 1372 | 1286 |
| LMArena German | 1391 | 1273 |
| LMArena Japanese | 1331 | 1213 |
| LMArena Korean | 1321 | 1195 |
| LMArena Russian | 1392 | 1261 |
| LMArena Spanish | 1389 | 1279 |
Instruction Following Claude Opus 4 leads
Claude Opus 4: 77.1 (#28), Grok 2 Mini 2024 08 13: 65.5 (#220)
| Benchmark | Claude Opus 4 | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Instruction Following | 1406 | 1245 |
| IFEval | 91.8% | — |
Long Context Claude Opus 4 leads
Claude Opus 4: 39.6 (#172), Grok 2 Mini 2024 08 13: 38.4 (#196)
| Benchmark | Claude Opus 4 | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Longer Query | 1422 | 1266 |
| Fiction.LiveBench | 61.1% | — |
Writing & Preference Claude Opus 4 leads
Claude Opus 4: 61.2 (#89), Grok 2 Mini 2024 08 13: 47.3 (#211)
| Benchmark | Claude Opus 4 | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Text | 1377 | 1281 |
| LMArena Creative Writing | 1387 | 1242 |
| LMArena Multi-Turn | 1396 | 1265 |
| Short-Story Creative Writing | 83.6% | — |
| EQ-Bench Creative Writing | 1580 | — |
| WildBench | 85.2% | — |
Frequently asked questions
Is Claude Opus 4 better than Grok 2 Mini 2024 08 13?
Claude Opus 4 is the stronger model overall, scoring 43.1 to 37.7 on the Noometry Index.
Is Claude Opus 4 or Grok 2 Mini 2024 08 13 better for coding?
Claude Opus 4 scores higher on coding benchmarks: 47.2 versus 37.0 in the Noometry coding category.
How many benchmarks do Claude Opus 4 and Grok 2 Mini 2024 08 13 share?
17 benchmarks have published results for both models. Claude Opus 4 has 56 scored results on Noometry and Grok 2 Mini 2024 08 13 has 17.