Model comparison
Grok-2 (Dec 2024) vs Hy4 preview
Hy4 preview is the stronger model overall, scoring 45.3 to 33.7 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in math, where Hy4 preview leads 55.7 to 20.8.
- Hy4 preview has downloadable open weights; the other is API-only.
Side by side
| Grok-2 (Dec 2024) | Hy4 preview | |
|---|---|---|
| Provider | xAI | Tencent |
| Noometry Index | 33.7 | 45.3 |
| Released | 2024-08-13 | 2026-08-28 |
| Weights | Proprietary | Open |
| Context window | — | 1.05M |
| Max output | — | 64K |
| Input $ / M tokens | — | $0.83 |
| Output $ / M tokens | — | $2.50 |
| Results tracked | 34 | 3 |
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Category by category
Coding Hy4 preview leads
Grok-2 (Dec 2024): 33.3 (#258), Hy4 preview: 51.6 (#38)
| Benchmark | Grok-2 (Dec 2024) | Hy4 preview |
|---|---|---|
| LMArena WebDev | — | 1632 |
| WeirdML | 22.2% | — |
| LiveBench Coding | 46.4% | — |
| LMArena Coding | 1287 | — |
Reasoning Hy4 preview leads
Grok-2 (Dec 2024): 16.9 (#299), Hy4 preview: 31.9 (#79)
| Benchmark | Grok-2 (Dec 2024) | Hy4 preview |
|---|---|---|
| SimpleBench | 22.7% | — |
| NYT Connections (extended) | — | 68.2% |
| LiveBench Reasoning | 54.8% | — |
| LMArena Hard Prompts | 1272 | — |
| DTBench | 65.2% | — |
| LiveBench Data Analysis | 54.5% | — |
| Epoch Capabilities Index | 130.48 | — |
| LiveBench | 54.3% | — |
Math Hy4 preview leads
Grok-2 (Dec 2024): 20.8 (#284), Hy4 preview: 55.7 (#42)
| Benchmark | Grok-2 (Dec 2024) | Hy4 preview |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 11.5% | — |
| ProofBench | — | 75% |
| LiveBench Math | 54.9% | — |
| LMArena Math | 1283 | — |
| MATH Level 5 | 63.5% | — |
| FrontierMath (Feb 2025 set) | 0.7% | — |
Knowledge Not comparable
Grok-2 (Dec 2024): 29.8 (#233), Hy4 preview: —
| Benchmark | Grok-2 (Dec 2024) | Hy4 preview |
|---|---|---|
| GPQA Diamond | 53.8% | — |
| Confabulations | 20.1% | — |
| LMArena Expert | 1254 | — |
Multilingual Not comparable
Grok-2 (Dec 2024): 43.1 (#188), Hy4 preview: —
| Benchmark | Grok-2 (Dec 2024) | Hy4 preview |
|---|---|---|
| LMArena Non-English | 1282 | — |
| LMArena Chinese | 1289 | — |
| LMArena French | 1318 | — |
| LMArena German | 1287 | — |
| LMArena Japanese | 1244 | — |
| LMArena Korean | 1237 | — |
| LMArena Russian | 1286 | — |
| LMArena Spanish | 1281 | — |
Instruction Following Not comparable
Grok-2 (Dec 2024): 66.9 (#202), Hy4 preview: —
| Benchmark | Grok-2 (Dec 2024) | Hy4 preview |
|---|---|---|
| LiveBench Instruction Following | 69.6% | — |
| LMArena Instruction Following | 1270 | — |
Long Context Not comparable
Grok-2 (Dec 2024): 38.8 (#190), Hy4 preview: —
| Benchmark | Grok-2 (Dec 2024) | Hy4 preview |
|---|---|---|
| LMArena Longer Query | 1276 | — |
Writing & Preference Not comparable
Grok-2 (Dec 2024): 48.6 (#198), Hy4 preview: —
| Benchmark | Grok-2 (Dec 2024) | Hy4 preview |
|---|---|---|
| LMArena Text | 1305 | — |
| LMArena Creative Writing | 1284 | — |
| Short-Story Creative Writing | 63.6% | — |
| LMArena Multi-Turn | 1290 | — |
| LiveBench Language | 45.6% | — |
Frequently asked questions
Is Grok-2 (Dec 2024) better than Hy4 preview?
Hy4 preview is the stronger model overall, scoring 45.3 to 33.7 on the Noometry Index.
Is Grok-2 (Dec 2024) or Hy4 preview better for coding?
Hy4 preview scores higher on coding benchmarks: 51.6 versus 33.3 in the Noometry coding category.
How many benchmarks do Grok-2 (Dec 2024) and Hy4 preview share?
0 benchmarks have published results for both models. Grok-2 (Dec 2024) has 34 scored results on Noometry and Hy4 preview has 3.