Model comparison
GPT-5 Pro vs Grok 4.1
GPT-5 Pro is the stronger model overall, scoring 46.4 to 41.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in knowledge, where GPT-5 Pro leads 56.7 to 39.5.
Side by side
| GPT-5 Pro | Grok 4.1 | |
|---|---|---|
| Provider | OpenAI | xAI |
| Noometry Index | 46.4 | 41.5 |
| Released | 2025-10-06 | 2025-11-17 |
| Weights | Proprietary | Proprietary |
| Context window | 400K | — |
| Max output | 272K | — |
| Input $ / M tokens | $15 | — |
| Output $ / M tokens | $120 | — |
| Results tracked | 12 | 19 |
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Category by category
Coding GPT-5 Pro leads
GPT-5 Pro: 44.0 (#80), Grok 4.1: 33.7 (#253)
| Benchmark | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| LMArena WebDev | — | 1214 |
| WeirdML | 60.4% | — |
| LMArena Coding | — | 1445 |
| AlgoTune | 1.31 | — |
Agentic & Tool Use Not comparable
GPT-5 Pro: —, Grok 4.1: 34.1 (#49)
| Benchmark | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| Cybench | — | 39% |
Reasoning GPT-5 Pro leads
GPT-5 Pro: 38.9 (#62), Grok 4.1: 29.5 (#91)
| Benchmark | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| ARC-AGI-2 | 18.3% | — |
| SimpleBench | 61.6% | — |
| Kagi LLM Benchmark | 76.8% | — |
| ARC-AGI-1 | 70.2% | — |
| EnigmaEval | 18.8% | — |
| LMArena Hard Prompts | — | 1435 |
| Epoch Capabilities Index | 150.28 | — |
Math GPT-5 Pro leads
GPT-5 Pro: 48.5 (#63), Grok 4.1: 38.9 (#120)
| Benchmark | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 55.8% | — |
| FrontierMath Tier 4 | 19.5% | — |
| LMArena Math | — | 1422 |
| FrontierMath Tier 4 (v1) | 14.6% | — |
Knowledge GPT-5 Pro leads
GPT-5 Pro: 56.7 (#42), Grok 4.1: 39.5 (#133)
| Benchmark | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| Humanity's Last Exam | 31.6% | — |
| LMArena Expert | — | 1417 |
Multilingual Not comparable
GPT-5 Pro: —, Grok 4.1: 53.4 (#68)
| Benchmark | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| LMArena Non-English | — | 1425 |
| LMArena Chinese | — | 1465 |
| LMArena French | — | 1448 |
| LMArena German | — | 1446 |
| LMArena Japanese | — | 1397 |
| LMArena Korean | — | 1407 |
| LMArena Russian | — | 1434 |
| LMArena Spanish | — | 1438 |
Instruction Following Not comparable
GPT-5 Pro: —, Grok 4.1: 73.8 (#111)
| Benchmark | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| LMArena Instruction Following | — | 1400 |
Long Context Not comparable
GPT-5 Pro: —, Grok 4.1: 43.2 (#100)
| Benchmark | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| LMArena Longer Query | — | 1416 |
Writing & Preference Not comparable
GPT-5 Pro: —, Grok 4.1: 62.4 (#75)
| Benchmark | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| LMArena Text | — | 1437 |
| LMArena Creative Writing | — | 1411 |
| LMArena Multi-Turn | — | 1437 |
Frequently asked questions
Is GPT-5 Pro better than Grok 4.1?
GPT-5 Pro is the stronger model overall, scoring 46.4 to 41.5 on the Noometry Index.
Is GPT-5 Pro or Grok 4.1 better for coding?
GPT-5 Pro scores higher on coding benchmarks: 44.0 versus 33.7 in the Noometry coding category.
How many benchmarks do GPT-5 Pro and Grok 4.1 share?
0 benchmarks have published results for both models. GPT-5 Pro has 12 scored results on Noometry and Grok 4.1 has 19.