# DeepSeek-R1 vs Llama 3.1 405B

> Side-by-side benchmark comparison for DeepSeek-R1 and Llama 3.1 405B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/deepseek-r1-vs-llama-3-1-405b
- Last updated: October 17, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: DeepSeek-R1 and Llama 3.1 405B 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.
- Llama 3.1 405B has the lower published output-token price.

## Model Snapshot

| Property | DeepSeek-R1 | Llama 3.1 405B |
|----------|----------|----------|
| Creator | DeepSeek | Meta |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 128K | 128K |
| Independent public score (not head-to-head) | 41.08 | 28.21 |
| Benchmarks Covered | 8 | 1 |
| Pricing (input/output) | $0.55 / $2.19 | $0.00 / $0.00 |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- DeepSeek-R1 public-lane score: Coming soon
- Llama 3.1 405B public-lane score: Coming soon

| Benchmark | DeepSeek-R1 | Llama 3.1 405B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 49.2% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- DeepSeek-R1 public-lane score: 64.1 (Unranked · 2 rankable rows)
- Llama 3.1 405B public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- DeepSeek-R1 public-lane score: 41.5 (Supported · #112/184)
- Llama 3.1 405B public-lane score: Coming soon

| Benchmark | DeepSeek-R1 | Llama 3.1 405B | Winner |
|-----------|-----------|-----------|--------|
| MMLU | 90.8% | Coming soon | Coming soon |
| GPQA | 71.5% | Coming soon | Coming soon |
| MMLU-Pro | 84% | Coming soon | Coming soon |
| SimpleQA | 30.1% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- DeepSeek-R1 public-lane score: 45.9 (#103/148)
- Llama 3.1 405B public-lane score: 0 (#148/148)

| Benchmark | DeepSeek-R1 | Llama 3.1 405B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 83.3% | 88.6% | Llama 3.1 405B |

### Mathematics

- Winner: Insufficient shared evidence
- DeepSeek-R1 public-lane score: Coming soon
- Llama 3.1 405B public-lane score: Coming soon

| Benchmark | DeepSeek-R1 | Llama 3.1 405B | Winner |
|-----------|-----------|-----------|--------|
| AIME 2024 | 79.8% | Coming soon | Coming soon |
| MATH-500 | 97.3% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between DeepSeek-R1 and Llama 3.1 405B?

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

- [DeepSeek-R1 vs DeepSeek-R1-0528](/compare/deepseek-r1-vs-deepseek-r1-0528)
- [Llama 3.1 405B vs DeepSeek-R1-0528](/compare/deepseek-r1-0528-vs-llama-3-1-405b)
- [DeepSeek-R1 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-deepseek-r1)
- [Llama 3.1 405B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-llama-3-1-405b)

## Explore More

- [DeepSeek-R1 profile](/models/deepseek-r1)
- [Llama 3.1 405B profile](/models/llama-3-1-405b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)