Model comparison
Hy4 preview vs o1-pro
Hy4 preview is the stronger model overall, scoring 45.3 to 31.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
TencentSummary
- The widest gap is in reasoning, where Hy4 preview leads 31.9 to 20.4.
- Hy4 preview is cheaper at $0.83 / $2.50 per million input/output tokens, against $150 / $600 for o1-pro.
- Hy4 preview accepts more context: 1.05M tokens versus 200K.
- Hy4 preview has downloadable open weights; the other is API-only.
Side by side
| Hy4 preview | o1-pro | |
|---|---|---|
| Provider | Tencent | OpenAI |
| Noometry Index | 45.3 | 31.5 |
| Released | 2026-08-28 | 2025-03-19 |
| Weights | Open | Proprietary |
| Context window | 1.05M | 200K |
| Max output | 64K | 100K |
| Input $ / M tokens | $0.83 | $150 |
| Output $ / M tokens | $2.50 | $600 |
| Results tracked | 3 | 3 |
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Category by category
Coding Not comparable
Hy4 preview: 51.6 (#38), o1-pro: —
| Benchmark | Hy4 preview | o1-pro |
|---|---|---|
| LMArena WebDev | 1632 | — |
Reasoning Hy4 preview leads
Hy4 preview: 31.9 (#79), o1-pro: 20.4 (#239)
| Benchmark | Hy4 preview | o1-pro |
|---|---|---|
| NYT Connections (extended) | 68.2% | — |
| ARC-AGI-1 | — | 23.3% |
| EnigmaEval | — | 6.1% |
Math Not comparable
Hy4 preview: 55.7 (#42), o1-pro: —
| Benchmark | Hy4 preview | o1-pro |
|---|---|---|
| ProofBench | 75% | — |
Knowledge Not comparable
Hy4 preview: —, o1-pro: 29.7 (#234)
| Benchmark | Hy4 preview | o1-pro |
|---|---|---|
| Humanity's Last Exam | — | 8.1% |
Frequently asked questions
Is Hy4 preview better than o1-pro?
Hy4 preview is the stronger model overall, scoring 45.3 to 31.5 on the Noometry Index.
Which is cheaper, Hy4 preview or o1-pro?
Hy4 preview is cheaper. It lists at $0.83 per million input tokens and $2.50 per million output tokens; o1-pro lists at $150 and $600.
Which has the bigger context window?
Hy4 preview does, with 1.05M tokens against 200K.
How many benchmarks do Hy4 preview and o1-pro share?
0 benchmarks have published results for both models. Hy4 preview has 3 scored results on Noometry and o1-pro has 3.