# GPT-6.1 Sol vs Grok-2 (Dec 2024)

> GPT-6.1 Sol is the stronger model overall, scoring 65.6 to 33.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-6-1-sol-vs-grok-2
- Last updated: 2026-10-10
- Shared benchmarks: 15

## Summary

- They share 15 benchmarks with published results for both. GPT-6.1 Sol scores higher in 8 categories and Grok-2 (Dec 2024) in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-6.1 Sol leads 93.7 to 20.8.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 100% for GPT-6.1 Sol and 11.5% for Grok-2 (Dec 2024).

## Snapshot

| | GPT-6.1 Sol | Grok-2 (Dec 2024) |
|---|---|---|
| Provider | OpenAI | xAI |
| Noometry Index | 65.6 | 33.7 |
| Rank | 6 | 239 |
| Context | 1.05M | — |
| Input $/M | $2 | — |
| Output $/M | $10 | — |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-6.1 Sol: 63.2 (#8)
- Grok-2 (Dec 2024): 33.3 (#258)

| Benchmark | GPT-6.1 Sol | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Coding | 1487 | 1287 |
| DeepSWE | 75.2% | — |
| FrontierCode | 50.2% | — |
| LMArena WebDev | 1755 | — |
| SciCode | 55.8% | — |
| WeirdML | — | 22.2% |
| LiveBench Coding | — | 46.4% |

## Agentic & Tool Use

- GPT-6.1 Sol: 39.6 (#26)
- Grok-2 (Dec 2024): —

| Benchmark | GPT-6.1 Sol | Grok-2 (Dec 2024) |
|---|---|---|
| APEX-Agents | 60% | — |
| GDP.pdf | 32% | — |

## Reasoning

- GPT-6.1 Sol: 81.9 (#2)
- Grok-2 (Dec 2024): 16.9 (#299)

| Benchmark | GPT-6.1 Sol | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Hard Prompts | 1466 | 1272 |
| Epoch Capabilities Index | 166.09 | 130.48 |
| ARC-AGI-2 | 94.2% | — |
| SimpleBench | — | 22.7% |
| NYT Connections (extended) | 95.5% | — |
| ARC-AGI-1 | 98.5% | — |
| CritPt | 31.7% | — |
| Chess Puzzles | 61% | — |
| EBR-Bench | 54.3% | — |
| LiveBench Reasoning | — | 54.8% |
| Mystery Game Puzzles | 80% | — |
| DTBench | — | 65.2% |
| LiveBench Data Analysis | — | 54.5% |
| LiveBench | — | 54.3% |

## Math

- GPT-6.1 Sol: 93.7 (#1)
- Grok-2 (Dec 2024): 20.8 (#284)

| Benchmark | GPT-6.1 Sol | Grok-2 (Dec 2024) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 100% | 11.5% |
| LMArena Math | 1464 | 1283 |
| FrontierMath (Tiers 1-3) | 93.7% | — |
| FrontierMath Tier 4 | 100% | — |
| ProofBench | 99% | — |
| LiveBench Math | — | 54.9% |
| MATH Level 5 | — | 63.5% |
| FrontierMath (Feb 2025 set) | — | 0.7% |

## Knowledge

- GPT-6.1 Sol: 71.8 (#4)
- Grok-2 (Dec 2024): 29.8 (#233)

| Benchmark | GPT-6.1 Sol | Grok-2 (Dec 2024) |
|---|---|---|
| GPQA Diamond | 95.4% | 53.8% |
| LMArena Expert | 1502 | 1254 |
| SimpleQA Verified | 73.9% | — |
| Confabulations | — | 20.1% |

## Multimodal

- GPT-6.1 Sol: 52.7 (#5)
- Grok-2 (Dec 2024): —

| Benchmark | GPT-6.1 Sol | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Vision | 1288 | — |
| Furniture Assembly | 80% | — |

## Multilingual

- GPT-6.1 Sol: 54.3 (#46)
- Grok-2 (Dec 2024): 43.1 (#188)

| Benchmark | GPT-6.1 Sol | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Non-English | 1438 | 1282 |
| LMArena Chinese | 1477 | 1289 |
| LMArena Russian | 1455 | 1286 |
| LMArena French | — | 1318 |
| LMArena German | — | 1287 |
| LMArena Japanese | — | 1244 |
| LMArena Korean | — | 1237 |
| LMArena Spanish | — | 1281 |

## Instruction Following

- GPT-6.1 Sol: 77.0 (#29)
- Grok-2 (Dec 2024): 66.9 (#202)

| Benchmark | GPT-6.1 Sol | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Instruction Following | 1468 | 1270 |
| LiveBench Instruction Following | — | 69.6% |

## Long Context

- GPT-6.1 Sol: 44.9 (#54)
- Grok-2 (Dec 2024): 38.8 (#190)

| Benchmark | GPT-6.1 Sol | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Longer Query | 1465 | 1276 |

## Writing & Preference

- GPT-6.1 Sol: 63.6 (#63)
- Grok-2 (Dec 2024): 48.6 (#198)

| Benchmark | GPT-6.1 Sol | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Text | 1447 | 1305 |
| LMArena Creative Writing | 1432 | 1284 |
| LMArena Multi-Turn | 1449 | 1290 |
| Short-Story Creative Writing | — | 63.6% |
| LiveBench Language | — | 45.6% |

## FAQ

### Is GPT-6.1 Sol better than Grok-2 (Dec 2024)?

GPT-6.1 Sol is the stronger model overall, scoring 65.6 to 33.7 on the Noometry Index.

### Is GPT-6.1 Sol or Grok-2 (Dec 2024) better for coding?

GPT-6.1 Sol scores higher on coding benchmarks: 63.2 versus 33.3 in the Noometry coding category.

### How many benchmarks do GPT-6.1 Sol and Grok-2 (Dec 2024) share?

15 benchmarks have published results for both models. GPT-6.1 Sol has 34 scored results on Noometry and Grok-2 (Dec 2024) has 34.