Model comparison
Grok 4 vs Hy3
Grok 4 is the stronger model overall, scoring 47.8 to 43.6 on the Noometry Index.
Last verified . 15 shared benchmarks.
Summary
- They share 15 benchmarks with published results for both. Grok 4 scores higher in 6 categories and Hy3 in 2 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in long context, where Grok 4 leads 63.1 to 44.1.
- Hy3 has downloadable open weights; the other is API-only.
Side by side
| Grok 4 | Hy3 | |
|---|---|---|
| Provider | xAI | Tencent |
| Noometry Index | 47.8 | 43.6 |
| Released | 2025-07-09 | 2026-07-06 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 128K |
| Input $ / M tokens | — | $0.13 |
| Output $ / M tokens | — | $0.53 |
| Results tracked | 48 | 17 |
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Category by category
Coding Grok 4 leads
Grok 4: 49.9 (#44), Hy3: 46.6 (#60)
| Benchmark | Grok 4 | Hy3 |
|---|---|---|
| LMArena Coding | 1408 | 1465 |
| Aider Polyglot | 79.6% | — |
| LMArena WebDev | — | 1509 |
| WeirdML | 45.7% | — |
Agentic & Tool Use Not comparable
Grok 4: 32.1 (#62), Hy3: —
| Benchmark | Grok 4 | Hy3 |
|---|---|---|
| Terminal-Bench | 27.2% | — |
| Berkeley Function Calling Leaderboard | 63% | — |
| GDPval | 21.1% | — |
| Cybench | 43% | — |
| DeepResearch Bench | 47.3% | — |
| BALROG | 43.6% | — |
| LMArena Search | 1142 | — |
| METR Time Horizons | 66.6% | — |
Reasoning Grok 4 leads
Grok 4: 36.9 (#59), Hy3: 25.0 (#134)
| Benchmark | Grok 4 | Hy3 |
|---|---|---|
| LMArena Hard Prompts | 1409 | 1449 |
| ARC-AGI-2 | 16% | — |
| SimpleBench | 60.5% | — |
| Kagi LLM Benchmark | 73.6% | — |
| NYT Connections (extended) | — | 41.2% |
| ARC-AGI-1 | 66.7% | — |
| Chess Puzzles | 28% | — |
| Epoch Capabilities Index | 146.46 | — |
| ForecastBench | 60.9 | — |
Math Grok 4 leads
Grok 4: 46.5 (#58), Hy3: 37.4 (#98)
| Benchmark | Grok 4 | Hy3 |
|---|---|---|
| LMArena Math | 1422 | 1475 |
| OTIS Mock AIME 2024-2025 | 84% | — |
| Omni-MATH | 60.3% | — |
| FrontierMath (Feb 2025 set) | 19.7% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |
Knowledge Grok 4 leads
Grok 4: 53.7 (#50), Hy3: 40.2 (#108)
| Benchmark | Grok 4 | Hy3 |
|---|---|---|
| LMArena Expert | 1417 | 1461 |
| GPQA Diamond | 87% | — |
| MMLU-Pro | 85.1% | — |
| Confabulations | 12.4% | — |
| GPQA (HELM) | 72.7% | — |
Multimodal Not comparable
Grok 4: 33.1 (#89), Hy3: —
| Benchmark | Grok 4 | Hy3 |
|---|---|---|
| LMArena Vision | 1211 | — |
| GeoBench | 45% | — |
Multilingual Hy3 leads
Grok 4: 52.0 (#98), Hy3: 53.7 (#60)
| Benchmark | Grok 4 | Hy3 |
|---|---|---|
| LMArena Non-English | 1403 | 1427 |
| LMArena Chinese | 1428 | 1496 |
| LMArena French | 1418 | 1461 |
| LMArena Korean | 1376 | 1390 |
| LMArena Russian | 1409 | 1435 |
| LMArena Spanish | 1419 | 1448 |
| LMArena German | 1429 | — |
| LMArena Japanese | 1396 | — |
Instruction Following Grok 4 leads
Grok 4: 79.4 (#4), Hy3: 75.3 (#68)
| Benchmark | Grok 4 | Hy3 |
|---|---|---|
| LMArena Instruction Following | 1387 | 1425 |
| IFEval | 94.9% | — |
Long Context Grok 4 leads
Grok 4: 63.1 (#4), Hy3: 44.1 (#70)
| Benchmark | Grok 4 | Hy3 |
|---|---|---|
| LMArena Longer Query | 1409 | 1443 |
| Fiction.LiveBench | 94.4% | — |
Writing & Preference Hy3 leads
Grok 4: 58.7 (#111), Hy3: 62.5 (#75)
| Benchmark | Grok 4 | Hy3 |
|---|---|---|
| LMArena Text | 1412 | 1442 |
| LMArena Creative Writing | 1397 | 1399 |
| LMArena Multi-Turn | 1416 | 1436 |
| Short-Story Creative Writing | 76.9% | — |
| WildBench | 79.7% | — |
Frequently asked questions
Is Grok 4 better than Hy3?
Grok 4 is the stronger model overall, scoring 47.8 to 43.6 on the Noometry Index.
Is Grok 4 or Hy3 better for coding?
Grok 4 scores higher on coding benchmarks: 49.9 versus 46.6 in the Noometry coding category.
How many benchmarks do Grok 4 and Hy3 share?
15 benchmarks have published results for both models. Grok 4 has 48 scored results on Noometry and Hy3 has 17.