Model comparison
Hy4 preview vs Llama2 70b Steerlm Chat
Hy4 preview is the stronger model overall, scoring 45.3 to 31.8 on the Noometry Index.
Last verified . 0 shared benchmarks.
Tencent
NVIDIASummary
- The widest gap is in math, where Hy4 preview leads 55.7 to 31.3.
Side by side
| Hy4 preview | Llama2 70b Steerlm Chat | |
|---|---|---|
| Provider | Tencent | NVIDIA |
| Noometry Index | 45.3 | 31.8 |
| Released | 2026-08-28 | — |
| Weights | Open | Open |
| Context window | 1.05M | — |
| Max output | 64K | — |
| Input $ / M tokens | $0.83 | — |
| Output $ / M tokens | $2.50 | — |
| Results tracked | 3 | 9 |
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Category by category
Coding Hy4 preview leads
Hy4 preview: 51.6 (#38), Llama2 70b Steerlm Chat: 29.9 (#300)
| Benchmark | Hy4 preview | Llama2 70b Steerlm Chat |
|---|---|---|
| LMArena WebDev | 1632 | — |
| LMArena Coding | — | 1025 |
Reasoning Hy4 preview leads
Hy4 preview: 31.9 (#79), Llama2 70b Steerlm Chat: 20.0 (#246)
| Benchmark | Hy4 preview | Llama2 70b Steerlm Chat |
|---|---|---|
| NYT Connections (extended) | 68.2% | — |
| LMArena Hard Prompts | — | 1047 |
Math Hy4 preview leads
Hy4 preview: 55.7 (#42), Llama2 70b Steerlm Chat: 31.3 (#226)
| Benchmark | Hy4 preview | Llama2 70b Steerlm Chat |
|---|---|---|
| ProofBench | 75% | — |
| LMArena Math | — | 1072 |
Multilingual Not comparable
Hy4 preview: —, Llama2 70b Steerlm Chat: 28.8 (#270)
| Benchmark | Hy4 preview | Llama2 70b Steerlm Chat |
|---|---|---|
| LMArena Non-English | — | 1063 |
Instruction Following Not comparable
Hy4 preview: —, Llama2 70b Steerlm Chat: 54.2 (#279)
| Benchmark | Hy4 preview | Llama2 70b Steerlm Chat |
|---|---|---|
| LMArena Instruction Following | — | 1060 |
Long Context Not comparable
Hy4 preview: —, Llama2 70b Steerlm Chat: 30.4 (#288)
| Benchmark | Hy4 preview | Llama2 70b Steerlm Chat |
|---|---|---|
| LMArena Longer Query | — | 998 |
Writing & Preference Not comparable
Hy4 preview: —, Llama2 70b Steerlm Chat: 31.6 (#283)
| Benchmark | Hy4 preview | Llama2 70b Steerlm Chat |
|---|---|---|
| LMArena Text | — | 1098 |
| LMArena Creative Writing | — | 1091 |
| LMArena Multi-Turn | — | 1058 |
Frequently asked questions
Is Hy4 preview better than Llama2 70b Steerlm Chat?
Hy4 preview is the stronger model overall, scoring 45.3 to 31.8 on the Noometry Index.
Is Hy4 preview or Llama2 70b Steerlm Chat better for coding?
Hy4 preview scores higher on coding benchmarks: 51.6 versus 29.9 in the Noometry coding category.
How many benchmarks do Hy4 preview and Llama2 70b Steerlm Chat share?
0 benchmarks have published results for both models. Hy4 preview has 3 scored results on Noometry and Llama2 70b Steerlm Chat has 9.