# Claude Sonnet 4.6 vs DeepSeek V4 Pro 0813

> Side-by-side benchmark comparison for Claude Sonnet 4.6 and DeepSeek V4 Pro 0813 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-sonnet-4-6-vs-deepseek-v4-pro-0813
- Last updated: September 18, 2026

- Shared sourced benchmarks: 12
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick DeepSeek V4 Pro 0813 if you want the stronger benchmark profile. Claude Sonnet 4.6 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- DeepSeek V4 Pro 0813 leads overall 63.69 to 62.86.
- The clearest category separation is in mathematics, where the averages are 48.8 for Claude Sonnet 4.6 and 80.2 for DeepSeek V4 Pro 0813.
- The biggest single benchmark swing is SWE-bench (Vals) in Coding, with scores of 77.4% and 96.4%.
- DeepSeek V4 Pro 0813 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- DeepSeek V4 Pro 0813 also has the larger context window at 1M.

## Model Snapshot

| Property | Claude Sonnet 4.6 | DeepSeek V4 Pro 0813 |
|----------|----------|----------|
| Creator | Anthropic | DeepSeek |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 200K | 1M |
| Overall Score | 62.86 | 63.69 |
| Benchmarks Covered | 26 | 40 |
| Pricing (input/output) | $3.00 / $15.00 | $0.435 / $0.87 |

## Category Breakdown

### Agentic

- Winner: DeepSeek V4 Pro 0813
- Claude Sonnet 4.6 public-lane score: 43.8 (Supported · #95/154)
- DeepSeek V4 Pro 0813 public-lane score: 55 (Supported · #37/154)

| Benchmark | Claude Sonnet 4.6 | DeepSeek V4 Pro 0813 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 59.1% | 67.9% | DeepSeek V4 Pro 0813 |
| OSWorld-Verified | 72.1% | Coming soon | Coming soon |
| Claw-Eval | 67.8% | Coming soon | Coming soon |
| CyberGym | 65.2% | 83.3% | DeepSeek V4 Pro 0813 |
| Gert Labs | 62.92% | Coming soon | Coming soon |
| OSWorld 2.0 | 8.3% | Coming soon | Coming soon |
| JobBench | 36.9% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 57.3% | 54.7% | Claude Sonnet 4.6 |
| ApprenticeBench | 2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 87.9% | Coming soon |
| BrowseComp | Coming soon | 83.4% | Coming soon |
| HLE w/ tools | Coming soon | 60.0% | Coming soon |
| MCP Atlas | Coming soon | 73.6% | Coming soon |
| Toolathlon | Coming soon | 51.8% | 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 4.6
- Claude Sonnet 4.6 public-lane score: 52.2 (Supported · #49/154)
- DeepSeek V4 Pro 0813 public-lane score: 51.6 (Supported · #51/154)

| Benchmark | Claude Sonnet 4.6 | DeepSeek V4 Pro 0813 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 79.6% | 80.6% | DeepSeek V4 Pro 0813 |
| SWE-Rebench | 60.7% | Coming soon | Coming soon |
| React Native Evals | 80.6% | Coming soon | Coming soon |
| Vibe Code Bench | 51.48% | 49.93% | Claude Sonnet 4.6 |
| cursorBench31 | 48.8% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 24.3% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 82.1% | 87.5% | DeepSeek V4 Pro 0813 |
| SWE-bench (Vals) | 77.4% | 96.4% | DeepSeek V4 Pro 0813 |
| LiveCodeBench Pass@1-COT | Coming soon | 93.5% | Coming soon |
| Codeforces | Coming soon | 3206.0 | Coming soon |
| SWE-bench Pro | Coming soon | 55.4% | Coming soon |
| SWE Multilingual | Coming soon | 76.2% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 67.9% | 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 4.6 public-lane score: 54.1 (#33/48)
- DeepSeek V4 Pro 0813 public-lane score: Coming soon

| Benchmark | Claude Sonnet 4.6 | DeepSeek V4 Pro 0813 | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 77.4% | Coming soon | Coming soon |

### Reasoning

- Winner: Coming soon
- Claude Sonnet 4.6 public-lane score: 67.9 (Unranked · 2 rankable rows)
- DeepSeek V4 Pro 0813 public-lane score: 60.3 (#15/20)

| Benchmark | Claude Sonnet 4.6 | 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 4.6 public-lane score: 55.7 (Supported · #51/184)
- DeepSeek V4 Pro 0813 public-lane score: 58.1 (Estimated · #41/184)

| Benchmark | Claude Sonnet 4.6 | DeepSeek V4 Pro 0813 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 89.9% | 90.1% | DeepSeek V4 Pro 0813 |
| SuperGPQA | 95% | Coming soon | Coming soon |
| MMLU-Pro | 79.2% | 87.5% | DeepSeek V4 Pro 0813 |
| HLE | 49% | 42.7% | Claude Sonnet 4.6 |
| GPQA Diamond (Vals) | 85.6% | 92.4% | DeepSeek V4 Pro 0813 |
| MMLU-Pro (Vals) | 87.3% | 87.0% | Claude Sonnet 4.6 |
| SimpleQA | Coming soon | 57.9% | Coming soon |
| Chinese-SimpleQA | Coming soon | 84.4% | Coming soon |
| GPQA-D | Coming soon | 90.1% | Coming soon |

### Instruction Following

- Winner: Coming soon
- Claude Sonnet 4.6 public-lane score: 46.6 (#88/124)
- DeepSeek V4 Pro 0813 public-lane score: Coming soon

### Mathematics

- Winner: Coming soon
- Claude Sonnet 4.6 public-lane score: 48.8 (Unranked · 2 rankable rows)
- DeepSeek V4 Pro 0813 public-lane score: 80.2 (Unranked · 4 rankable rows)

| Benchmark | Claude Sonnet 4.6 | DeepSeek V4 Pro 0813 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 32.400% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 8.300% | Coming soon | Coming soon |
| 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 4.6 or DeepSeek V4 Pro 0813?

DeepSeek V4 Pro 0813 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Sonnet 4.6 and DeepSeek V4 Pro 0813?

The widest category gap is in mathematics, where the averages are 48.8 for Claude Sonnet 4.6 and 80.2 for DeepSeek V4 Pro 0813.

### How many benchmarks does Claude Sonnet 4.6 cover on BenchLM?

Claude Sonnet 4.6 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 4.6 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-claude-sonnet-4-6)
- [DeepSeek V4 Pro 0813 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-deepseek-v4-pro-0813)
- [Claude Sonnet 4.6 vs GPT-6 Astra](/compare/claude-sonnet-4-6-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 4.6 profile](/models/claude-sonnet-4-6)
- [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)