Model comparison
Hy4 preview vs Nova Premier 1.0
Hy4 preview is the stronger model overall, scoring 45.3 to 38.3 on the Noometry Index.
Last verified . 0 shared benchmarks.
TencentSummary
- The widest gap is in math, where Hy4 preview leads 55.7 to 33.8.
- Hy4 preview is cheaper at $0.75 / $2.25 per million input/output tokens, against $2.50 / $12.50 for Nova Premier 1.0.
- Hy4 preview accepts more context: 1.05M tokens versus 1M.
- Hy4 preview has downloadable open weights; the other is API-only.
Side by side
| Hy4 preview | Nova Premier 1.0 | |
|---|---|---|
| Provider | Tencent | Amazon |
| Noometry Index | 45.3 | 38.3 |
| Released | 2026-08-28 | 2025-04-30 |
| Weights | Open | Proprietary |
| Context window | 1.05M | 1M |
| Max output | 64K | 10K |
| Input $ / M tokens | $0.75 | $2.50 |
| Output $ / M tokens | $2.25 | $12.50 |
| Results tracked | 3 | 6 |
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Category by category
Coding Not comparable
Hy4 preview: 51.6 (#38), Nova Premier 1.0: —
| Benchmark | Hy4 preview | Nova Premier 1.0 |
|---|---|---|
| LMArena WebDev | 1632 | — |
Reasoning Hy4 preview leads
Hy4 preview: 31.9 (#79), Nova Premier 1.0: 23.0 (#185)
| Benchmark | Hy4 preview | Nova Premier 1.0 |
|---|---|---|
| Kagi LLM Benchmark | — | 44.8% |
| NYT Connections (extended) | 68.2% | — |
Math Hy4 preview leads
Hy4 preview: 55.7 (#42), Nova Premier 1.0: 33.8 (#199)
| Benchmark | Hy4 preview | Nova Premier 1.0 |
|---|---|---|
| ProofBench | 75% | — |
| Omni-MATH | — | 35% |
Knowledge Not comparable
Hy4 preview: —, Nova Premier 1.0: 35.8 (#180)
| Benchmark | Hy4 preview | Nova Premier 1.0 |
|---|---|---|
| MMLU-Pro | — | 72.6% |
| GPQA (HELM) | — | 51.8% |
Instruction Following Not comparable
Hy4 preview: —, Nova Premier 1.0: 66.8 (#204)
| Benchmark | Hy4 preview | Nova Premier 1.0 |
|---|---|---|
| IFEval | — | 80.3% |
Writing & Preference Not comparable
Hy4 preview: —, Nova Premier 1.0: 51.0 (#178)
| Benchmark | Hy4 preview | Nova Premier 1.0 |
|---|---|---|
| WildBench | — | 78.8% |
Frequently asked questions
Is Hy4 preview better than Nova Premier 1.0?
Hy4 preview is the stronger model overall, scoring 45.3 to 38.3 on the Noometry Index.
Which is cheaper, Hy4 preview or Nova Premier 1.0?
Hy4 preview is cheaper. It lists at $0.75 per million input tokens and $2.25 per million output tokens; Nova Premier 1.0 lists at $2.50 and $12.50.
Which has the bigger context window?
Hy4 preview does, with 1.05M tokens against 1M.
How many benchmarks do Hy4 preview and Nova Premier 1.0 share?
0 benchmarks have published results for both models. Hy4 preview has 3 scored results on Noometry and Nova Premier 1.0 has 6.