# Claude 4.1 Opus vs DeepSeek V3

> Side-by-side benchmark comparison for Claude 4.1 Opus and DeepSeek V3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-4-1-opus-vs-deepseek-v3
- Last updated: September 18, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: Claude 4.1 Opus and DeepSeek V3 share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- DeepSeek V3 has the lower published output-token price.
- Claude 4.1 Opus has the larger published context window at 200K.

## Model Snapshot

| Property | Claude 4.1 Opus | DeepSeek V3 |
|----------|----------|----------|
| Creator | Anthropic | DeepSeek |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 200K | 128K |
| Independent public score (not head-to-head) | 41.87 | 41.64 |
| Benchmarks Covered | 2 | 6 |
| Pricing (input/output) | $15.00 / $75.00 | $0.27 / $1.10 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude 4.1 Opus public-lane score: 42.8 (Estimated · #106/154)
- DeepSeek V3 public-lane score: 36.8 (Estimated · #132/154)

| Benchmark | Claude 4.1 Opus | DeepSeek V3 | Winner |
|-----------|-----------|-----------|--------|
| JobBench | 21.9% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude 4.1 Opus public-lane score: 42.8 (Estimated · #105/154)
- DeepSeek V3 public-lane score: 39.4 (Estimated · #122/154)

| Benchmark | Claude 4.1 Opus | DeepSeek V3 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 74.5% | 42% | Claude 4.1 Opus |
| LiveCodeBench | Coming soon | 37.6% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude 4.1 Opus public-lane score: Coming soon
- DeepSeek V3 public-lane score: 41.2 (Unranked · 2 rankable rows)

### Knowledge

- Winner: Insufficient shared evidence
- Claude 4.1 Opus public-lane score: Coming soon
- DeepSeek V3 public-lane score: 39.4 (Estimated · #141/184)

| Benchmark | Claude 4.1 Opus | DeepSeek V3 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | Coming soon | 59.1% | Coming soon |
| MMLU-Pro | Coming soon | 75.9% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude 4.1 Opus public-lane score: Coming soon
- DeepSeek V3 public-lane score: 38.2 (#103/124)

| Benchmark | Claude 4.1 Opus | DeepSeek V3 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 86.1% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Claude 4.1 Opus public-lane score: Coming soon
- DeepSeek V3 public-lane score: 26 (Unranked · 1 rankable row)

| Benchmark | Claude 4.1 Opus | DeepSeek V3 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 1.724% | Coming soon |

## FAQ

### Is there enough evidence to pick between Claude 4.1 Opus and DeepSeek V3?

Not yet. The models share only 1 sourced benchmark row, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Claude 4.1 Opus vs Claude 4.1 Opus Thinking](/compare/claude-4-1-opus-vs-claude-4-1-opus-thinking)
- [DeepSeek V3 vs Claude 4.1 Opus Thinking](/compare/claude-4-1-opus-thinking-vs-deepseek-v3)
- [Claude 4.1 Opus vs Claude Fable 5.1](/compare/claude-4-1-opus-vs-claude-fable-5-1)
- [DeepSeek V3 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-deepseek-v3)

## Explore More

- [Claude 4.1 Opus profile](/models/claude-4-1-opus)
- [DeepSeek V3 profile](/models/deepseek-v3)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)