Model comparison
Claude 3 Opus vs Grok Build 0.1
Grok Build 0.1 is the stronger model overall, scoring 35.8 to 29.3 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in reasoning, where Grok Build 0.1 leads 31.3 to 14.2.
Side by side
| Claude 3 Opus | Grok Build 0.1 | |
|---|---|---|
| Provider | Anthropic | xAI |
| Noometry Index | 29.3 | 35.8 |
| Released | 2024-02-29 | 2026-04-16 |
| Weights | Proprietary | Proprietary |
| Context window | — | 256K |
| Max output | — | 256K |
| Input $ / M tokens | — | $1 |
| Output $ / M tokens | — | $2 |
| Results tracked | 46 | 3 |
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Category by category
Coding Grok Build 0.1 leads
Claude 3 Opus: 32.4 (#261), Grok Build 0.1: 42.5 (#90)
| Benchmark | Claude 3 Opus | Grok Build 0.1 |
|---|---|---|
| SciCode | — | 50.2% |
| WeirdML | 19.2% | — |
| BigCodeBench Instruct | 45.5% | — |
| LiveBench Coding | 38.6% | — |
| LMArena Coding | 1264 | — |
| BigCodeBench Complete | 57.4% | — |
| HumanEval+ | 77.4% | — |
| MBPP+ | 73.3% | — |
Agentic & Tool Use Claude 3 Opus leads
Claude 3 Opus: 24.3 (#110), Grok Build 0.1: 22.5 (#122)
| Benchmark | Claude 3 Opus | Grok Build 0.1 |
|---|---|---|
| Cybench | 10% | — |
| GBAEval | — | 2.4% |
| METR Time Horizons | 29.5% | — |
Reasoning Grok Build 0.1 leads
Claude 3 Opus: 14.2 (#318), Grok Build 0.1: 31.3 (#73)
| Benchmark | Claude 3 Opus | Grok Build 0.1 |
|---|---|---|
| SimpleBench | 23.5% | — |
| CritPt | — | 9.1% |
| Chess Puzzles | 5% | — |
| EnigmaEval | 0.8% | — |
| LiveBench Reasoning | 40.6% | — |
| LMArena Hard Prompts | 1246 | — |
| DTBench | 61.6% | — |
| LiveBench Data Analysis | 57.9% | — |
| LMCA | 17% | — |
| Epoch Capabilities Index | 126.91 | — |
| ForecastBench | 58.4 | — |
| LiveBench | 49.2% | — |
| WinoGrande | 88.5% | — |
Math Not comparable
Claude 3 Opus: 13.9 (#293), Grok Build 0.1: —
| Benchmark | Claude 3 Opus | Grok Build 0.1 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.7% | — |
| LiveBench Math | 43.6% | — |
| LMArena Math | 1273 | — |
| MATH Level 5 | 37.5% | — |
Knowledge Not comparable
Claude 3 Opus: 24.5 (#262), Grok Build 0.1: —
| Benchmark | Claude 3 Opus | Grok Build 0.1 |
|---|---|---|
| GPQA Diamond | 47.2% | — |
| SimpleQA Verified | 12.6% | — |
| Confabulations | 22.7% | — |
| LMArena Expert | 1223 | — |
| MMLU | 84.6% | — |
Multimodal Not comparable
Claude 3 Opus: 26.6 (#112), Grok Build 0.1: —
| Benchmark | Claude 3 Opus | Grok Build 0.1 |
|---|---|---|
| LMArena Vision | 1023 | — |
Multilingual Not comparable
Claude 3 Opus: 41.6 (#202), Grok Build 0.1: —
| Benchmark | Claude 3 Opus | Grok Build 0.1 |
|---|---|---|
| LMArena Non-English | 1258 | — |
| LMArena Chinese | 1248 | — |
| LMArena French | 1274 | — |
| LMArena German | 1258 | — |
| LMArena Japanese | 1204 | — |
| LMArena Korean | 1187 | — |
| LMArena Russian | 1280 | — |
| LMArena Spanish | 1246 | — |
Instruction Following Not comparable
Claude 3 Opus: 64.3 (#223), Grok Build 0.1: —
| Benchmark | Claude 3 Opus | Grok Build 0.1 |
|---|---|---|
| LiveBench Instruction Following | 63.9% | — |
| LMArena Instruction Following | 1248 | — |
Long Context Not comparable
Claude 3 Opus: 38.2 (#197), Grok Build 0.1: —
| Benchmark | Claude 3 Opus | Grok Build 0.1 |
|---|---|---|
| LMArena Longer Query | 1259 | — |
Writing & Preference Not comparable
Claude 3 Opus: 47.4 (#208), Grok Build 0.1: —
| Benchmark | Claude 3 Opus | Grok Build 0.1 |
|---|---|---|
| LMArena Text | 1262 | — |
| LMArena Creative Writing | 1235 | — |
| LMArena Multi-Turn | 1275 | — |
| LiveBench Language | 50.4% | — |
Frequently asked questions
Is Claude 3 Opus better than Grok Build 0.1?
Grok Build 0.1 is the stronger model overall, scoring 35.8 to 29.3 on the Noometry Index.
Is Claude 3 Opus or Grok Build 0.1 better for coding?
Grok Build 0.1 scores higher on coding benchmarks: 42.5 versus 32.4 in the Noometry coding category.
How many benchmarks do Claude 3 Opus and Grok Build 0.1 share?
0 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Grok Build 0.1 has 3.