# DeepSeek V4.1 Flash vs BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI)

> Side-by-side benchmark comparison for DeepSeek V4.1 Flash 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/deepseek-v4-1-flash-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 DeepSeek V4.1 Flash and BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI).

## Summary

- DeepSeek V4.1 Flash 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 | DeepSeek V4.1 Flash | BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) |
|----------|----------|----------|
| Creator | DeepSeek | Koreeda and Manning |
| Type | Open Weight | Research system |
| Reasoning | Reasoning | Unspecified |
| Context | 1M | null |
| Independent public score (not head-to-head) | 64.63 | null |
| Benchmarks Covered | 26 | 0 |
| Pricing (input/output) | $0.30 / $1.20 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- DeepSeek V4.1 Flash public-lane score: 61.1 (Supported · #20/119)
- BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 90.6% | Coming soon | Coming soon |
| terminalBench3 | 30% | Coming soon | Coming soon |
| Terminal-Bench 4.0 | 31.20% | Coming soon | Coming soon |
| CyberGym | 88.1% | Coming soon | Coming soon |
| ExploitGym | 15.3% | Coming soon | Coming soon |
| HLE w/ tools | 63.9% | Coming soon | Coming soon |
| AutomationBench | 54.8% | Coming soon | Coming soon |
| Agents' Last Exam | 31.8% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 74.5% | Coming soon | Coming soon |
| CWE-bench v1 | 55.0% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- DeepSeek V4.1 Flash public-lane score: 58.9 (Estimated · #23/144)
- BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) | Winner |
|-----------|-----------|-----------|--------|
| Codeforces | 3471.0 | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 90.6% | Coming soon | Coming soon |
| terminalBench3 | 30% | Coming soon | Coming soon |
| DeepSWE | 74.2% | Coming soon | Coming soon |
| ProgramBench | 20.3% | Coming soon | Coming soon |
| NL2Repo | 65.4% | Coming soon | Coming soon |
| OpenHarmony Bench | 60.3% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- DeepSeek V4.1 Flash public-lane score: 79.6 (Unranked · 4 rankable rows)
- BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) | Winner |
|-----------|-----------|-----------|--------|
| JevBench 1.4 | 4.77 | Coming soon | Coming soon |
| JevBench 1.5 | 6.65 | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- DeepSeek V4.1 Flash public-lane score: 74.5 (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 | DeepSeek V4.1 Flash | BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) | Winner |
|-----------|-----------|-----------|--------|
| Chartography (tools) | 78.9% | Coming soon | Coming soon |
| BabyVision w/ Python | 89.6% | Coming soon | Coming soon |
| ZeroBench w/ Python | 49.0% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- DeepSeek V4.1 Flash public-lane score: 64.9 (Supported · #25/170)
- BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 90.9% | Coming soon | Coming soon |
| GPQA-D | 90.9% | Coming soon | Coming soon |
| HLE | 36.8% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- DeepSeek V4.1 Flash 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 | DeepSeek V4.1 Flash | BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) | Winner |
|-----------|-----------|-----------|--------|
| Apex | 65.6% | Coming soon | Coming soon |

## FAQ

### Can I compare DeepSeek V4.1 Flash 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.

## Related Comparisons

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- [BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) vs GPT-6 Astra](/compare/gpt-6-astra-vs-native-contractnli-bert-base-fine-tuned-on-case-law-and-contract-corpora-chalkidis-et-al-2020)
- [DeepSeek V4.1 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-deepseek-v4-1-flash)
- [BERT base / Fine-tuned on case law and contract corpora Chalkidis et al. (2020) (ContractNLI) vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-native-contractnli-bert-base-fine-tuned-on-case-law-and-contract-corpora-chalkidis-et-al-2020)

## Explore More

- [DeepSeek V4.1 Flash profile](/models/deepseek-v4-1-flash)
- [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)