Hy4 preview
| Released | 2026-08-28 |
|---|---|
| Price per 1M | $0.83 in · $2.50 out |
| Overall score | 58.7 · rank 41 |
| Context window | 1,024,000 tokens |
| Provider | Tencent |
| Weights | Open weights |
Scores
| Dimension | Score | Rank | Benchmarks |
|---|---|---|---|
| Overall: Balanced | 58.7 | 41 | 19 |
| Overall: Coding | 57.9 | 51 | 16 |
| Overall: Reasoning | 59.1 | 42 | 4 |
| Overall: Agentic work | 57.9 | 57 | 14 |
| Overall: Frontend | 58.1 | 38 | 5 |
| Coding | 58.0 | 46 | 3 |
| Agents | 58.0 | 54 | 9 |
| Reasoning | 57.1 | 67 | 2 |
| Math | 60.5 | 27 | 1 |
| Knowledge | 61.3 | 19 | 1 |
| Frontend | 58.2 | 39 | 2 |
| General | 60.3 | 28 | 1 |
| Value vs price | +10.3 | 30 |
Evidence
Coding 58.0 ±3.3
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Code Migration v1.1 | 45.4% | Vals AI | 2026-11-09 |
| IOI | 59.3% | Vals AI | 2026-10-29 |
| ProgramBench | 0.0% | Vals AI | 2026-11-09 |
Agents 58.0 ±1.3
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Terminal-Bench 4.0 (Vals run) | 8.1% | Vals AI | 2026-11-09 |
| SRE Bench | 2.3% | Vals AI | 2026-11-05 |
| Terminal-Bench-Science | 1.4% | Vals AI | 2026-11-09 |
| Terminal-Bench 2.1 (Vals run) | 55.1% | Vals AI | 2026-10-01 |
| EMB v1.1 (Excel financial modeling) | 68.9% | Vals AI | 2026-11-09 |
| Tax Agent Bench | 32.6% | Vals AI | 2026-11-09 |
| Finance Agent v2.1 | 61.6% | Vals AI | 2026-11-09 |
| HLAB-Vals 1.1 (legal agent) | 8.8% | Vals AI | 2026-11-09 |
| CyberBench v1.1 | 65.4% | Vals AI | 2026-11-05 |
Reasoning 57.1 ±3.2
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Extended NYT Connections | 68.2% | Lech Mazur | 2026-11-10 |
| BioMysteryBench | 69.3% | Vals AI | 2026-11-09 |
Math 60.5 ±2.9
| Benchmark | Result | Source | Date |
|---|---|---|---|
| ProofBench v1.1 | 75.0% | Vals AI | 2026-11-09 |
| ProofBench | 75.0% | Epoch AI | 2026-11-11 |
Knowledge 61.3 ±6.5
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Legal Research Bench | 45.2% | Vals AI | 2026-11-09 |
Frontend 58.2 ±0.7
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Vibe Code Bench v1.1 | 77.5% | Vals AI | 2026-11-09 |
| LMArena WebDev | 1,631 | LMArena | 2026-11-09 |
General 60.3 ±3.3
| Benchmark | Result | Source | Date |
|---|---|---|---|
| LLM Debate Benchmark | 1,577 | Lech Mazur | 2026-10-26 |
Names matched to this model
hy4-preview, tencent-hy4-preview, tencent-hy4-preview-high