# ERNIE 5.5 Flash Preview vs Hy4 preview

> Side-by-side benchmark comparison for ERNIE 5.5 Flash Preview and Hy4 preview across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/ernie-5-5-flash-preview-vs-hy4-preview
- Last updated: November 11, 2026

- Shared sourced benchmarks: 9
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Hy4 preview leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Hy4 preview has the higher overall point estimate 61.02 to 0. Conditional score ranges do not establish rank confidence.
- The biggest single benchmark swing is AutomationBench in Agentic, with scores of 61.9% and 32.1%.
- Hy4 preview is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | ERNIE 5.5 Flash Preview | Hy4 preview |
|----------|----------|----------|
| Creator | Baidu | Tencent |
| Type | Pending | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | null | 61.02 |
| Benchmarks Covered | 15 | 34 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Hy4 preview public-lane score: 56.8 (Estimated · #38/132)

| Benchmark | ERNIE 5.5 Flash Preview | Hy4 preview | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.0 | 46.50% | Coming soon | Coming soon |
| Terminal-Bench-Science 0.1 | 21.0% | Coming soon | Coming soon |
| AutomationBench | 61.9% | 32.1% | ERNIE 5.5 Flash Preview |
| APEX-Agents | 64.2% | 37.1% | ERNIE 5.5 Flash Preview |
| DRACO | 84.9% | 77.2% | ERNIE 5.5 Flash Preview |
| SpreadsheetBench 2 | 36.4% | Coming soon | Coming soon |
| Agents' Last Exam (CLI) | 29.0% | Coming soon | Coming soon |
| Toolathlon-Verified | 75.0% | 74.1% | ERNIE 5.5 Flash Preview |
| MCP Atlas | 84.6% | 83.7% | ERNIE 5.5 Flash Preview |
| BrowseComp | 87.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 85.4% | Coming soon |
| CyberGym | Coming soon | 78.4% | Coming soon |
| WideResearch | Coming soon | 83.9% | Coming soon |
| skillsBench | Coming soon | 62.9% | Coming soon |
| JobBench | Coming soon | 61.7% | Coming soon |
| Agents' Last Exam | Coming soon | 22.8% | Coming soon |
| BankerToolBench | Coming soon | 78.6% | Coming soon |
| HLE w/ tools | Coming soon | 55.4% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 55.1% | Coming soon |
| CWE-bench v1 | Coming soon | 53.0% | Coming soon |
| Hermes Index | Coming soon | 26.1% | Coming soon |
| Hermes Bench | Coming soon | 58.6% | Coming soon |
| CWE-bench | Coming soon | 47.3% | Coming soon |

### Coding

- Winner: Not comparable
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Hy4 preview public-lane score: 56.6 (Supported · #28/158)

| Benchmark | ERNIE 5.5 Flash Preview | Hy4 preview | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 71.2% | 64.3% | ERNIE 5.5 Flash Preview |
| ProgramBench | 29.5% | 17.5% | ERNIE 5.5 Flash Preview |
| NL2Repo | 64.8% | 58.9% | ERNIE 5.5 Flash Preview |
| Terminal-Bench 2.1 | Coming soon | 85.4% | Coming soon |
| SWE-bench Pro | Coming soon | 65.7% | Coming soon |
| SWE Multilingual | Coming soon | 82.9% | Coming soon |
| PostTrain Bench | Coming soon | 35.6% | Coming soon |
| sweMarathon | Coming soon | 31.9% | Coming soon |

### Reasoning

- Winner: Not comparable
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Hy4 preview public-lane score: Coming soon

| Benchmark | ERNIE 5.5 Flash Preview | Hy4 preview | Winner |
|-----------|-----------|-----------|--------|
| STEMBench | Coming soon | 2.59 | Coming soon |
| CritPt | Coming soon | 16.9% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Hy4 preview public-lane score: Coming soon

| Benchmark | ERNIE 5.5 Flash Preview | Hy4 preview | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro v2 | 67.9% | Coming soon | Coming soon |
| OfficeQA Pro | Coming soon | 66.2% | Coming soon |

### Knowledge

- Winner: Not comparable
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Hy4 preview public-lane score: 63.6 (Estimated · #36/179)

| Benchmark | ERNIE 5.5 Flash Preview | Hy4 preview | Winner |
|-----------|-----------|-----------|--------|
| HLE w/o tools | 46.4% | 43.4% | ERNIE 5.5 Flash Preview |
| GPQA | Coming soon | 92.3% | Coming soon |
| GPQA-D | Coming soon | 92.3% | Coming soon |
| HLE | Coming soon | 55.4% | Coming soon |

### Mathematics

- Winner: Not comparable
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Hy4 preview public-lane score: Coming soon

| Benchmark | ERNIE 5.5 Flash Preview | Hy4 preview | Winner |
|-----------|-----------|-----------|--------|
| Apex | Coming soon | 74.2% | Coming soon |

## FAQ

### Which is better overall, ERNIE 5.5 Flash Preview or Hy4 preview?

Hy4 preview has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### How many benchmarks does ERNIE 5.5 Flash Preview cover on BenchLM?

ERNIE 5.5 Flash Preview currently has 15 sourced benchmark scores on BenchLM.

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

Hy4 preview currently has 34 sourced benchmark scores on BenchLM.

## Related Comparisons

- [ERNIE 5.5 Flash Preview vs Hy4](/compare/ernie-5-5-flash-preview-vs-hy4)
- [Hy4 preview vs Hy4](/compare/hy4-vs-hy4-preview)
- [ERNIE 5.5 Flash Preview vs Claude Fable 5.2](/compare/claude-fable-5-2-vs-ernie-5-5-flash-preview)
- [Hy4 preview vs Claude Fable 5.2](/compare/claude-fable-5-2-vs-hy4-preview)

## Explore More

- [ERNIE 5.5 Flash Preview profile](/models/ernie-5-5-flash-preview)
- [Hy4 preview profile](/models/hy4-preview)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)