# Hy4 preview vs Sage-A1.5

> Side-by-side benchmark comparison for Hy4 preview and Sage-A1.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/hy4-preview-vs-sage-a1-5
- Last updated: October 20, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Sage-A1.5 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Sage-A1.5 has the higher overall point estimate 62.95 to 61.3. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in coding, where the averages are 56.7 for Hy4 preview and 54 for Sage-A1.5.
- The biggest single benchmark swing is SWE Multilingual in Coding, with scores of 82.9% and 72.7%.
- Hy4 preview also has the larger context window at 1M.

## Model Snapshot

| Property | Hy4 preview | Sage-A1.5 |
|----------|----------|----------|
| Creator | Tencent | InternScience |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 262K |
| Overall Score | 61.3 | 62.95 |
| Benchmarks Covered | 33 | 12 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Hy4 preview public-lane score: 55.9 (Estimated · #41/132)
- Sage-A1.5 public-lane score: 57.7 (Estimated · #36/132)

| Benchmark | Hy4 preview | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 85.4% | Coming soon | Coming soon |
| CyberGym | 78.4% | Coming soon | Coming soon |
| WideResearch | 83.9% | Coming soon | Coming soon |
| DRACO | 77.2% | Coming soon | Coming soon |
| MCP Atlas | 83.7% | Coming soon | Coming soon |
| Toolathlon-Verified | 74.1% | Coming soon | Coming soon |
| APEX-Agents | 37.1% | Coming soon | Coming soon |
| skillsBench | 62.9% | Coming soon | Coming soon |
| JobBench | 61.7% | Coming soon | Coming soon |
| Agents' Last Exam | 22.8% | Coming soon | Coming soon |
| AutomationBench | 32.1% | Coming soon | Coming soon |
| BankerToolBench | 78.6% | Coming soon | Coming soon |
| HLE w/ tools | 55.4% | 55.1% | Hy4 preview |
| Terminal-Bench 2.1 (Vals) | 55.1% | Coming soon | Coming soon |
| CWE-bench v1 | 53.0% | Coming soon | Coming soon |
| Hermes Index | 26.1% | Coming soon | Coming soon |
| Hermes Bench | 58.6% | Coming soon | Coming soon |
| GAIA | Coming soon | 95.1% | Coming soon |
| BrowseComp | Coming soon | 81.7% | Coming soon |
| MLE-Bench Lite | Coming soon | 65.2% | Coming soon |
| VITA-Bench | Coming soon | 45.4% | Coming soon |
| PinchBench | Coming soon | 90.0% | Coming soon |

### Coding

- Winner: Directional only
- Hy4 preview public-lane score: 56.7 (Supported · #28/153)
- Sage-A1.5 public-lane score: 54 (Estimated · #34/153)

| Benchmark | Hy4 preview | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 85.4% | Coming soon | Coming soon |
| SWE-bench Pro | 65.7% | 61.2% | Hy4 preview |
| SWE Multilingual | 82.9% | 72.7% | Hy4 preview |
| DeepSWE | 64.3% | Coming soon | Coming soon |
| NL2Repo | 58.9% | Coming soon | Coming soon |
| ProgramBench | 17.5% | Coming soon | Coming soon |
| PostTrain Bench | 35.6% | Coming soon | Coming soon |
| sweMarathon | 31.9% | Coming soon | Coming soon |
| SciCode | Coming soon | 44.3% | Coming soon |

### Reasoning

- Winner: Not comparable
- Hy4 preview public-lane score: Coming soon
- Sage-A1.5 public-lane score: 80.6 (Unranked · 2 rankable rows)

| Benchmark | Hy4 preview | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| STEMBench | 2.59 | Coming soon | Coming soon |
| CritPt | 16.9% | 20.0% | Sage-A1.5 |

### Multimodal & Grounded

- Winner: Not comparable
- Hy4 preview public-lane score: 88.3 (Unranked · 1 rankable row)
- Sage-A1.5 public-lane score: Coming soon

| Benchmark | Hy4 preview | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 66.2% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Hy4 preview public-lane score: 64.2 (Estimated · #41/187)
- Sage-A1.5 public-lane score: Coming soon

| Benchmark | Hy4 preview | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 92.3% | Coming soon | Coming soon |
| GPQA-D | 92.3% | Coming soon | Coming soon |
| HLE | 55.4% | Coming soon | Coming soon |
| HLE w/o tools | 43.4% | Coming soon | Coming soon |
| FrontierScience Research | Coming soon | 48.3% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Hy4 preview public-lane score: Coming soon
- Sage-A1.5 public-lane score: 91.9 (#22/152)

| Benchmark | Hy4 preview | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 81.6% | Coming soon |

### Mathematics

- Winner: Not comparable
- Hy4 preview public-lane score: Coming soon
- Sage-A1.5 public-lane score: Coming soon

| Benchmark | Hy4 preview | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| Apex | 74.2% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Hy4 preview or Sage-A1.5?

Sage-A1.5 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Hy4 preview and Sage-A1.5?

The widest category gap is in coding, where the averages are 56.7 for Hy4 preview and 54 for Sage-A1.5.

### How many benchmarks does Hy4 preview cover on BenchLM?

Hy4 preview currently has 33 sourced benchmark scores on BenchLM.

### How many benchmarks does Sage-A1.5 cover on BenchLM?

Sage-A1.5 currently has 12 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Hy4 preview vs Sage-A1.5-F16-GGUF](/compare/hy4-preview-vs-sage-a1-5-f16-gguf)
- [Sage-A1.5 vs Sage-A1.5-F16-GGUF](/compare/sage-a1-5-vs-sage-a1-5-f16-gguf)
- [Hy4 preview vs Sage-A1.5-FP8](/compare/hy4-preview-vs-sage-a1-5-fp8)
- [Sage-A1.5 vs Sage-A1.5-FP8](/compare/sage-a1-5-vs-sage-a1-5-fp8)

## Explore More

- [Hy4 preview profile](/models/hy4-preview)
- [Sage-A1.5 profile](/models/sage-a1-5)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)