# Claude Sonnet 5 vs DeepSeek V4 Pro 0813

> Side-by-side benchmark comparison for Claude Sonnet 5 and DeepSeek V4 Pro 0813 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-sonnet-5-vs-deepseek-v4-pro-0813
- Last updated: September 18, 2026

- Shared sourced benchmarks: 13
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Claude Sonnet 5 if you want the stronger benchmark profile. DeepSeek V4 Pro 0813 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Claude Sonnet 5 leads overall 69.68 to 63.69.
- The clearest category separation is in reasoning, where the averages are 77.4 for Claude Sonnet 5 and 60.3 for DeepSeek V4 Pro 0813.
- The biggest single benchmark swing is Terminal-Bench 2.1 (Vals) in Agentic, with scores of 74.5% and 54.7%.
- DeepSeek V4 Pro 0813 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Claude Sonnet 5 | DeepSeek V4 Pro 0813 |
|----------|----------|----------|
| Creator | Anthropic | DeepSeek |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 69.68 | 63.69 |
| Benchmarks Covered | 26 | 40 |
| Pricing (input/output) | $2.00 / $10.00 | $0.435 / $0.87 |

## Category Breakdown

### Agentic

- Winner: Claude Sonnet 5
- Claude Sonnet 5 public-lane score: 65.9 (Supported · #11/154)
- DeepSeek V4 Pro 0813 public-lane score: 55 (Supported · #37/154)

| Benchmark | Claude Sonnet 5 | DeepSeek V4 Pro 0813 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | 14.6% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 80.4% | 67.9% | Claude Sonnet 5 |
| BrowseComp | 84.7% | 83.4% | Claude Sonnet 5 |
| HLE w/ tools | 57.4% | 60.0% | DeepSeek V4 Pro 0813 |
| OSWorld-Verified | 81.2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 74.5% | 54.7% | Claude Sonnet 5 |
| ApprenticeBench | 16% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 87.9% | Coming soon |
| MCP Atlas | Coming soon | 73.6% | Coming soon |
| Toolathlon | Coming soon | 51.8% | Coming soon |
| CyberGym | Coming soon | 83.3% | Coming soon |
| Toolathlon-Verified | Coming soon | 74.1% | Coming soon |
| Agents' Last Exam | Coming soon | 25.7% | Coming soon |
| AutomationBench | Coming soon | 31.8% | Coming soon |

### Coding

- Winner: Claude Sonnet 5
- Claude Sonnet 5 public-lane score: 63.9 (Supported · #13/154)
- DeepSeek V4 Pro 0813 public-lane score: 51.6 (Supported · #51/154)

| Benchmark | Claude Sonnet 5 | DeepSeek V4 Pro 0813 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 85.2% | 80.6% | Claude Sonnet 5 |
| SWE-bench Pro | 63.2% | 55.4% | Claude Sonnet 5 |
| SWE Multilingual | 78.3% | 76.2% | Claude Sonnet 5 |
| SWE Multimodal | 28.1% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 80.4% | 67.9% | Claude Sonnet 5 |
| FrontierCode 1.1 Main | 42.7% | Coming soon | Coming soon |
| cursorBench32 | 61.5% | Coming soon | Coming soon |
| VulcanBench CII v1 | 89.2% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 82.4% | 87.5% | DeepSeek V4 Pro 0813 |
| SWE-bench (Vals) | 79.6% | 96.4% | DeepSeek V4 Pro 0813 |
| cursorBench40 | 34.1% | Coming soon | Coming soon |
| LiveCodeBench Pass@1-COT | Coming soon | 93.5% | Coming soon |
| Codeforces | Coming soon | 3206.0 | Coming soon |
| Vibe Code Bench | Coming soon | 49.93% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 87.9% | Coming soon |
| NL2Repo | Coming soon | 61.5% | Coming soon |
| DeepSWE | Coming soon | 62.7% | Coming soon |
| DSBench-FullStack | Coming soon | 71.1% | Coming soon |
| DSBench-Hard | Coming soon | 67.2% | Coming soon |
| OpenHarmony Bench | Coming soon | 59.0% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Claude Sonnet 5 public-lane score: 77.4 (#14/48)
- DeepSeek V4 Pro 0813 public-lane score: Coming soon

| Benchmark | Claude Sonnet 5 | DeepSeek V4 Pro 0813 | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 88.3% | Coming soon | Coming soon |
| CharXiv w/o tools | 77% | Coming soon | Coming soon |

### Reasoning

- Winner: Coming soon
- Claude Sonnet 5 public-lane score: 77.4 (Unranked · 2 rankable rows)
- DeepSeek V4 Pro 0813 public-lane score: 60.3 (#15/20)

| Benchmark | Claude Sonnet 5 | DeepSeek V4 Pro 0813 | Winner |
|-----------|-----------|-----------|--------|
| MRCR 1M | Coming soon | 83.5% | Coming soon |
| CorpusQA 1M | Coming soon | 62.0% | Coming soon |

### Knowledge

- Winner: Coming soon
- Claude Sonnet 5 public-lane score: 66.5 (Supported · #20/184)
- DeepSeek V4 Pro 0813 public-lane score: 58.1 (Estimated · #41/184)

| Benchmark | Claude Sonnet 5 | DeepSeek V4 Pro 0813 | Winner |
|-----------|-----------|-----------|--------|
| HLE | 57.4% | 42.7% | Claude Sonnet 5 |
| HLE w/o tools | 43.2% | Coming soon | Coming soon |
| HLE-Verified | 31.0% | Coming soon | Coming soon |
| LABBench2 | 80.1% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 88.9% | 92.4% | DeepSeek V4 Pro 0813 |
| MMLU-Pro (Vals) | 87.5% | 87.0% | Claude Sonnet 5 |
| MMLU-Pro | Coming soon | 87.5% | Coming soon |
| SimpleQA | Coming soon | 57.9% | Coming soon |
| Chinese-SimpleQA | Coming soon | 84.4% | Coming soon |
| GPQA | Coming soon | 90.1% | Coming soon |
| GPQA-D | Coming soon | 90.1% | Coming soon |

### Mathematics

- Winner: Coming soon
- Claude Sonnet 5 public-lane score: Coming soon
- DeepSeek V4 Pro 0813 public-lane score: 80.2 (Unranked · 4 rankable rows)

| Benchmark | Claude Sonnet 5 | DeepSeek V4 Pro 0813 | Winner |
|-----------|-----------|-----------|--------|
| HMMT Feb 2026 | Coming soon | 95.2% | Coming soon |
| IMOAnswerBench | Coming soon | 89.8% | Coming soon |
| Apex | Coming soon | 38.3% | Coming soon |
| Apex Shortlist | Coming soon | 90.2% | Coming soon |

## FAQ

### Which is better overall, Claude Sonnet 5 or DeepSeek V4 Pro 0813?

Claude Sonnet 5 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Sonnet 5 and DeepSeek V4 Pro 0813?

The widest category gap is in reasoning, where the averages are 77.4 for Claude Sonnet 5 and 60.3 for DeepSeek V4 Pro 0813.

### How many benchmarks does Claude Sonnet 5 cover on BenchLM?

Claude Sonnet 5 currently has 26 sourced benchmark scores on BenchLM.

### How many benchmarks does DeepSeek V4 Pro 0813 cover on BenchLM?

DeepSeek V4 Pro 0813 currently has 40 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Sonnet 5 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-claude-sonnet-5)
- [DeepSeek V4 Pro 0813 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-deepseek-v4-pro-0813)
- [Claude Sonnet 5 vs GPT-6 Astra](/compare/claude-sonnet-5-vs-gpt-6-astra)
- [DeepSeek V4 Pro 0813 vs GPT-6 Astra](/compare/deepseek-v4-pro-0813-vs-gpt-6-astra)

## Explore More

- [Claude Sonnet 5 profile](/models/claude-sonnet-5)
- [DeepSeek V4 Pro 0813 profile](/models/deepseek-v4-pro-0813)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)