Model comparison
Claude Opus 4.1 vs Grok-3 mini
Claude Opus 4.1 and Grok-3 mini score almost the same on the Noometry Index (41.0 vs 41.2), so choose on price, context window or the category you care about most.
Last verified . 24 shared benchmarks.
Summary
- They share 24 benchmarks with published results for both. Claude Opus 4.1 scores higher in 5 categories and Grok-3 mini in 3 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Grok-3 mini leads 42.1 to 22.3.
- The biggest single-benchmark swing is Short-Story Creative Writing: 84.7% for Claude Opus 4.1 and 73.5% for Grok-3 mini.
Side by side
| Claude Opus 4.1 | Grok-3 mini | |
|---|---|---|
| Provider | Anthropic | xAI |
| Noometry Index | 41.0 | 41.2 |
| Released | 2025-08-05 | 2025-04-09 |
| Weights | Proprietary | Proprietary |
| Context window | 200K | — |
| Max output | 32K | — |
| Input $ / M tokens | $15 | — |
| Output $ / M tokens | $75 | — |
| Results tracked | 48 | 35 |
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Category by category
Coding Claude Opus 4.1 leads
Claude Opus 4.1: 44.4 (#73), Grok-3 mini: 40.8 (#131)
| Benchmark | Claude Opus 4.1 | Grok-3 mini |
|---|---|---|
| WeirdML | 45.9% | 42.6% |
| LMArena Coding | 1479 | 1379 |
| SWE-bench Verified | 73.3% | — |
| Aider Polyglot | — | 49.3% |
| LMArena WebDev | 1390 | — |
| ALE-Bench | 674.77 | — |
| AlgoTune | 1.34 | — |
Agentic & Tool Use Not comparable
Claude Opus 4.1: 35.0 (#41), Grok-3 mini: —
| Benchmark | Claude Opus 4.1 | Grok-3 mini |
|---|---|---|
| Terminal-Bench | 38% | — |
| GDPval | 43.6% | — |
| Cybench | 42% | — |
| DeepResearch Bench | 48.3% | — |
| LMArena Search | 1148 | — |
| METR Time Horizons | 66.8% | — |
Reasoning Claude Opus 4.1 leads
Claude Opus 4.1: 32.2 (#76), Grok-3 mini: 13.6 (#334)
| Benchmark | Claude Opus 4.1 | Grok-3 mini |
|---|---|---|
| LMArena Hard Prompts | 1443 | 1375 |
| Epoch Capabilities Index | 144.12 | 140.35 |
| ARC-AGI-2 | — | 0.4% |
| SimpleBench | 60% | — |
| Kagi LLM Benchmark | — | 61.3% |
| ARC-AGI-1 | — | 16.5% |
| Chess Puzzles | 7% | — |
| EnigmaEval | 7.2% | — |
| EBR-Bench | 7.9% | — |
| Mystery Game Puzzles | 21% | — |
| DTBench | 80% | — |
| LMCA | 37.1% | — |
| ForecastBench | 62 | — |
Math Grok-3 mini leads
Claude Opus 4.1: 22.3 (#277), Grok-3 mini: 42.1 (#85)
| Benchmark | Claude Opus 4.1 | Grok-3 mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 68.9% | 77.8% |
| LMArena Math | 1431 | 1386 |
| FrontierMath (Feb 2025 set) | 7.2% | 5.9% |
| FrontierMath (Tiers 1-3) | 12.6% | — |
| FrontierMath Tier 4 | 2.4% | — |
| Omni-MATH | — | 31.8% |
| MATH Level 5 | — | 90.9% |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Grok-3 mini leads
Claude Opus 4.1: 42.0 (#101), Grok-3 mini: 46.4 (#81)
| Benchmark | Claude Opus 4.1 | Grok-3 mini |
|---|---|---|
| GPQA Diamond | 77.3% | 76.3% |
| Confabulations | 17.1% | 10.8% |
| LMArena Expert | 1439 | 1395 |
| Humanity's Last Exam | 11.5% | — |
| MMLU-Pro | — | 79.9% |
| Vectara Hallucination Rate | 11.8% | — |
| GPQA (HELM) | — | 67.5% |
Multimodal Not comparable
Claude Opus 4.1: 26.8 (#119), Grok-3 mini: —
| Benchmark | Claude Opus 4.1 | Grok-3 mini |
|---|---|---|
| VPCT | 35% | — |
Multilingual Claude Opus 4.1 leads
Claude Opus 4.1: 52.0 (#95), Grok-3 mini: 48.1 (#145)
| Benchmark | Claude Opus 4.1 | Grok-3 mini |
|---|---|---|
| LMArena Non-English | 1405 | 1352 |
| LMArena Chinese | 1427 | 1387 |
| LMArena French | 1431 | 1357 |
| LMArena German | 1413 | 1349 |
| LMArena Japanese | 1378 | 1342 |
| LMArena Korean | 1380 | 1335 |
| LMArena Russian | 1422 | 1353 |
| LMArena Spanish | 1448 | 1381 |
Instruction Following Grok-3 mini leads
Claude Opus 4.1: 75.6 (#58), Grok-3 mini: 78.5 (#9)
| Benchmark | Claude Opus 4.1 | Grok-3 mini |
|---|---|---|
| LMArena Instruction Following | 1435 | 1357 |
| IFEval | — | 95.1% |
Long Context Claude Opus 4.1 leads
Claude Opus 4.1: 44.5 (#63), Grok-3 mini: 41.0 (#147)
| Benchmark | Claude Opus 4.1 | Grok-3 mini |
|---|---|---|
| LMArena Longer Query | 1455 | 1372 |
| Fiction.LiveBench | — | 66.7% |
Writing & Preference Claude Opus 4.1 leads
Claude Opus 4.1: 62.4 (#74), Grok-3 mini: 52.5 (#169)
| Benchmark | Claude Opus 4.1 | Grok-3 mini |
|---|---|---|
| LMArena Text | 1419 | 1370 |
| LMArena Creative Writing | 1412 | 1342 |
| Short-Story Creative Writing | 84.7% | 73.5% |
| LMArena Multi-Turn | 1444 | 1355 |
| WildBench | — | 65.1% |
Frequently asked questions
Is Claude Opus 4.1 better than Grok-3 mini?
Claude Opus 4.1 and Grok-3 mini score almost the same on the Noometry Index (41.0 vs 41.2), so choose on price, context window or the category you care about most.
Is Claude Opus 4.1 or Grok-3 mini better for coding?
Claude Opus 4.1 scores higher on coding benchmarks: 44.4 versus 40.8 in the Noometry coding category.
How many benchmarks do Claude Opus 4.1 and Grok-3 mini share?
24 benchmarks have published results for both models. Claude Opus 4.1 has 48 scored results on Noometry and Grok-3 mini has 35.