# Hy4 preview vs BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI)

> Side-by-side benchmark comparison for Hy4 preview and BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/hy4-preview-vs-native-contractnli-bert-base-fine-tuned-on-case-law-and-contract-corpora-chalkidis-et-al-2020
- Last updated: October 1, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Hy4 preview and BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI).

## Summary

- Hy4 preview and BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Hy4 preview | BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) |
|----------|----------|----------|
| Creator | Tencent | Koreeda and Manning |
| Type | Open Weight | Research system |
| Reasoning | Reasoning | Unspecified |
| Context | 1M | null |
| Independent public score (not head-to-head) | 61.09 | null |
| Benchmarks Covered | 30 | 0 |
| Pricing (input/output) | $0.00 / $0.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Hy4 preview public-lane score: 53.4 (Estimated · #37/119)
- BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) public-lane score: Coming soon

| Benchmark | Hy4 preview | BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) | 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% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 55.1% | Coming soon | Coming soon |
| CWE-bench v1 | 53.0% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Hy4 preview public-lane score: 60.7 (Supported · #19/144)
- BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) public-lane score: Coming soon

| Benchmark | Hy4 preview | BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 85.4% | Coming soon | Coming soon |
| SWE-bench Pro | 65.7% | Coming soon | Coming soon |
| SWE Multilingual | 82.9% | Coming soon | Coming soon |
| 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 |

### Reasoning

- Winner: Insufficient shared evidence
- Hy4 preview public-lane score: Coming soon
- BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) public-lane score: Coming soon

| Benchmark | Hy4 preview | BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) | Winner |
|-----------|-----------|-----------|--------|
| CritPt | 16.9% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Hy4 preview public-lane score: 84.9 (Unranked · 1 rankable row)
- BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) public-lane score: Coming soon

| Benchmark | Hy4 preview | BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 66.2% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Hy4 preview public-lane score: 62.3 (Estimated · #37/170)
- BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) public-lane score: Coming soon

| Benchmark | Hy4 preview | BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) | 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 |

### Mathematics

- Winner: Insufficient shared evidence
- Hy4 preview public-lane score: Coming soon
- BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) public-lane score: Coming soon

| Benchmark | Hy4 preview | BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) | Winner |
|-----------|-----------|-----------|--------|
| Apex | 74.2% | Coming soon | Coming soon |

## FAQ

### Can I compare Hy4 preview and BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

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## Explore More

- [Hy4 preview profile](/models/hy4-preview)
- [BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) profile](/models/native-contractnli-bert-base-fine-tuned-on-case-law-and-contract-corpora-chalkidis-et-al-2020)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)