Model comparison
Grok-2 (Dec 2024) vs Step 2 16k Exp 202412
Step 2 16k Exp 202412 is the stronger model overall, scoring 39.2 to 33.7 on the Noometry Index.
Last verified . 12 shared benchmarks.
StepFunSummary
- 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 36.3 to 20.8.
Side by side
| Grok-2 (Dec 2024) | Step 2 16k Exp 202412 | |
|---|---|---|
| Provider | xAI | StepFun |
| Noometry Index | 33.7 | 39.2 |
| Released | 2024-08-13 | — |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 34 | 12 |
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Category by category
Coding Step 2 16k Exp 202412 leads
Grok-2 (Dec 2024): 33.3 (#258), Step 2 16k Exp 202412: 38.5 (#174)
| Benchmark | Grok-2 (Dec 2024) | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Coding | 1287 | 1316 |
| WeirdML | 22.2% | — |
| LiveBench Coding | 46.4% | — |
Reasoning Step 2 16k Exp 202412 leads
Grok-2 (Dec 2024): 16.9 (#299), Step 2 16k Exp 202412: 25.9 (#142)
| 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 Step 2 16k Exp 202412 leads
Grok-2 (Dec 2024): 20.8 (#284), Step 2 16k Exp 202412: 36.3 (#169)
| Benchmark | Grok-2 (Dec 2024) | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Math | 1283 | 1304 |
| OTIS Mock AIME 2024-2025 | 11.5% | — |
| LiveBench Math | 54.9% | — |
| MATH Level 5 | 63.5% | — |
| FrontierMath (Feb 2025 set) | 0.7% | — |
Knowledge Step 2 16k Exp 202412 leads
Grok-2 (Dec 2024): 29.8 (#233), Step 2 16k Exp 202412: 35.2 (#187)
| Benchmark | Grok-2 (Dec 2024) | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Expert | 1254 | 1279 |
| GPQA Diamond | 53.8% | — |
| Confabulations | 20.1% | — |
Multilingual Too close to call
Grok-2 (Dec 2024): 43.1 (#188), Step 2 16k Exp 202412: 43.7 (#181)
| 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 | 1318 | — |
| LMArena German | 1287 | — |
| LMArena Japanese | 1244 | — |
| LMArena Korean | 1237 | — |
| LMArena Spanish | 1281 | — |
Instruction Following Step 2 16k Exp 202412 leads
Grok-2 (Dec 2024): 66.9 (#202), Step 2 16k Exp 202412: 67.9 (#192)
| Benchmark | Grok-2 (Dec 2024) | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Instruction Following | 1270 | 1287 |
| LiveBench Instruction Following | 69.6% | — |
Long Context Too close to call
Grok-2 (Dec 2024): 38.8 (#190), Step 2 16k Exp 202412: 39.7 (#170)
| Benchmark | Grok-2 (Dec 2024) | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Longer Query | 1276 | 1307 |
Writing & Preference Step 2 16k Exp 202412 leads
Grok-2 (Dec 2024): 48.6 (#198), Step 2 16k Exp 202412: 52.3 (#173)
| 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% | — |
Frequently asked questions
Is Grok-2 (Dec 2024) better than Step 2 16k Exp 202412?
Step 2 16k Exp 202412 is the stronger model overall, scoring 39.2 to 33.7 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: 38.5 versus 33.3 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.