# Grok-2 (Dec 2024) vs Step 2 16k Exp 202412

> Step 2 16k Exp 202412 is the stronger model overall, scoring 38.6 to 33.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-2-vs-step-2-16k-exp-202412
- Last updated: 2026-10-10
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Grok-2 (Dec 2024) scores higher in 0 categories and Step 2 16k Exp 202412 in 8 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in math, where Step 2 16k Exp 202412 leads 33.6 to 19.6.

## Snapshot

| | Grok-2 (Dec 2024) | Step 2 16k Exp 202412 |
|---|---|---|
| Provider | xAI | StepFun |
| Noometry Index | 33.4 | 38.6 |
| Rank | 233 | 173 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Grok-2 (Dec 2024): 32.9 (#254)
- Step 2 16k Exp 202412: 37.9 (#170)

| Benchmark | Grok-2 (Dec 2024) | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Coding | 1288 | 1316 |
| WeirdML | 22.2% | — |
| LiveBench Coding | 46.4% | — |

## Reasoning

- Grok-2 (Dec 2024): 16.4 (#294)
- Step 2 16k Exp 202412: 24.8 (#140)

| Benchmark | Grok-2 (Dec 2024) | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Hard Prompts | 1272 | 1299 |
| SimpleBench | 22.7% | — |
| LiveBench Reasoning | 54.8% | — |
| DTBench | 65.2% | — |
| LiveBench Data Analysis | 54.5% | — |
| Epoch Capabilities Index | 130.48 | — |
| LiveBench | 54.3% | — |

## Math

- Grok-2 (Dec 2024): 19.6 (#278)
- Step 2 16k Exp 202412: 33.6 (#171)

| Benchmark | Grok-2 (Dec 2024) | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Math | 1283 | 1305 |
| OTIS Mock AIME 2024-2025 | 11.5% | — |
| LiveBench Math | 54.9% | — |
| MATH Level 5 | 63.5% | — |
| FrontierMath (Feb 2025 set) | 0.7% | — |

## Knowledge

- Grok-2 (Dec 2024): 29.8 (#225)
- Step 2 16k Exp 202412: 34.6 (#187)

| Benchmark | Grok-2 (Dec 2024) | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Expert | 1254 | 1279 |
| GPQA Diamond | 53.8% | — |
| Confabulations | 20.1% | — |

## Multilingual

- Grok-2 (Dec 2024): 43.3 (#183)
- Step 2 16k Exp 202412: 43.9 (#176)

| Benchmark | Grok-2 (Dec 2024) | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Non-English | 1282 | 1290 |
| LMArena Chinese | 1289 | 1331 |
| LMArena Russian | 1286 | 1324 |
| LMArena French | 1317 | — |
| LMArena German | 1287 | — |
| LMArena Japanese | 1244 | — |
| LMArena Korean | 1237 | — |
| LMArena Spanish | 1281 | — |

## Instruction Following

- Grok-2 (Dec 2024): 67.1 (#197)
- Step 2 16k Exp 202412: 68.1 (#187)

| Benchmark | Grok-2 (Dec 2024) | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Instruction Following | 1270 | 1287 |
| LiveBench Instruction Following | 69.6% | — |

## Long Context

- Grok-2 (Dec 2024): 38.7 (#186)
- Step 2 16k Exp 202412: 39.7 (#165)

| Benchmark | Grok-2 (Dec 2024) | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Longer Query | 1276 | 1307 |

## Writing & Preference

- Grok-2 (Dec 2024): 48.8 (#192)
- Step 2 16k Exp 202412: 52.5 (#168)

| Benchmark | Grok-2 (Dec 2024) | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Text | 1305 | 1321 |
| LMArena Creative Writing | 1284 | 1328 |
| LMArena Multi-Turn | 1290 | 1292 |
| Short-Story Creative Writing | 63.6% | — |
| LiveBench Language | 45.6% | — |

## FAQ

### Is Grok-2 (Dec 2024) better than Step 2 16k Exp 202412?

Step 2 16k Exp 202412 is the stronger model overall, scoring 38.6 to 33.4 on the Noometry Index.

### Is Grok-2 (Dec 2024) or Step 2 16k Exp 202412 better for coding?

Step 2 16k Exp 202412 scores higher on coding benchmarks: 37.9 versus 32.9 in the Noometry coding category.

### How many benchmarks do Grok-2 (Dec 2024) and Step 2 16k Exp 202412 share?

12 benchmarks have published results for both models. Grok-2 (Dec 2024) has 34 scored results on Noometry and Step 2 16k Exp 202412 has 12.