Model comparison
Grok Build 0.1 vs Hy3
Hy3 is the stronger model overall, scoring 44.2 to 36.4 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in reasoning, where Grok Build 0.1 leads 32.2 to 26.1.
- Hy3 is cheaper at $0.13 / $0.53 per million input/output tokens, against $1 / $2 for Grok Build 0.1.
- Hy3 accepts more context: 262K tokens versus 256K.
- Hy3 has downloadable open weights; the other is API-only.
Side by side
| Grok Build 0.1 | Hy3 | |
|---|---|---|
| Provider | xAI | Tencent |
| Noometry Index | 36.4 | 44.2 |
| Released | 2026-04-16 | 2026-07-06 |
| Weights | Proprietary | Open |
| Context window | 256K | 262K |
| Max output | 256K | 128K |
| Input $ / M tokens | $1 | $0.13 |
| Output $ / M tokens | $2 | $0.53 |
| Results tracked | 3 | 19 |
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Category by category
Coding Hy3 leads
Grok Build 0.1: 43.1 (#91), Hy3: 46.8 (#63)
| Benchmark | Grok Build 0.1 | Hy3 |
|---|---|---|
| LMArena WebDev | — | 1508 |
| SciCode | 50.2% | — |
| LMArena Coding | — | 1464 |
Agentic & Tool Use Not comparable
Grok Build 0.1: 22.7 (#129), Hy3: —
| Benchmark | Grok Build 0.1 | Hy3 |
|---|---|---|
| GBAEval | 2.4% | — |
Reasoning Grok Build 0.1 leads
Grok Build 0.1: 32.2 (#77), Hy3: 26.1 (#136)
| Benchmark | Grok Build 0.1 | Hy3 |
|---|---|---|
| NYT Connections (extended) | — | 41.2% |
| CritPt | 9.1% | — |
| LMArena Hard Prompts | — | 1447 |
Math Not comparable
Grok Build 0.1: —, Hy3: 40.1 (#93)
| Benchmark | Grok Build 0.1 | Hy3 |
|---|---|---|
| LMArena Math | — | 1475 |
Knowledge Not comparable
Grok Build 0.1: —, Hy3: 40.8 (#114)
| Benchmark | Grok Build 0.1 | Hy3 |
|---|---|---|
| LMArena Expert | — | 1460 |
Multilingual Not comparable
Grok Build 0.1: —, Hy3: 53.5 (#65)
| Benchmark | Grok Build 0.1 | Hy3 |
|---|---|---|
| LMArena Non-English | — | 1426 |
| LMArena Chinese | — | 1493 |
| LMArena French | — | 1461 |
| LMArena German | — | 1439 |
| LMArena Japanese | — | 1392 |
| LMArena Korean | — | 1395 |
| LMArena Russian | — | 1432 |
| LMArena Spanish | — | 1456 |
Instruction Following Not comparable
Grok Build 0.1: —, Hy3: 75.1 (#70)
| Benchmark | Grok Build 0.1 | Hy3 |
|---|---|---|
| LMArena Instruction Following | — | 1426 |
Long Context Not comparable
Grok Build 0.1: —, Hy3: 44.1 (#75)
| Benchmark | Grok Build 0.1 | Hy3 |
|---|---|---|
| LMArena Longer Query | — | 1442 |
Writing & Preference Not comparable
Grok Build 0.1: —, Hy3: 62.2 (#81)
| Benchmark | Grok Build 0.1 | Hy3 |
|---|---|---|
| LMArena Text | — | 1439 |
| LMArena Creative Writing | — | 1402 |
| LMArena Multi-Turn | — | 1436 |
Frequently asked questions
Is Grok Build 0.1 better than Hy3?
Hy3 is the stronger model overall, scoring 44.2 to 36.4 on the Noometry Index.
Which is cheaper, Grok Build 0.1 or Hy3?
Hy3 is cheaper. It lists at $0.13 per million input tokens and $0.53 per million output tokens; Grok Build 0.1 lists at $1 and $2.
Is Grok Build 0.1 or Hy3 better for coding?
Hy3 scores higher on coding benchmarks: 46.8 versus 43.1 in the Noometry coding category.
Which has the bigger context window?
Hy3 does, with 262K tokens against 256K.
How many benchmarks do Grok Build 0.1 and Hy3 share?
0 benchmarks have published results for both models. Grok Build 0.1 has 3 scored results on Noometry and Hy3 has 19.