# DeepSeek V3.1 vs o4-mini

> Side-by-side benchmark comparison for DeepSeek V3.1 and o4-mini across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/deepseek-v3-1-vs-o4-mini
- 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 V3.1 and o4-mini 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 V3.1 has the lower published output-token price.
- o4-mini has the larger published context window at 200K.

## Model Snapshot

| Property | DeepSeek V3.1 | o4-mini |
|----------|----------|----------|
| Creator | DeepSeek | OpenAI |
| Type | Open Weight | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 128K | 200K |
| Independent public score (not head-to-head) | 40.78 | null |
| Benchmarks Covered | 6 | 7 |
| Pricing (input/output) | $0.00 / $0.00 | $1.10 / $4.40 |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- DeepSeek V3.1 public-lane score: Coming soon
- o4-mini public-lane score: Coming soon

| Benchmark | DeepSeek V3.1 | o4-mini | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 66% | Coming soon | Coming soon |
| LiveCodeBench | 56.4% | Coming soon | Coming soon |
| HumanEval | Coming soon | 97.3% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- DeepSeek V3.1 public-lane score: 58.1 (Unranked · 2 rankable rows)
- o4-mini public-lane score: 67.8 (Unranked · 3 rankable rows)

| Benchmark | DeepSeek V3.1 | o4-mini | Winner |
|-----------|-----------|-----------|--------|
| DROP | Coming soon | 77.7% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- DeepSeek V3.1 public-lane score: Coming soon
- o4-mini public-lane score: 66.4 (Unranked · 1 rankable row)

### Knowledge

- Winner: Insufficient shared evidence
- DeepSeek V3.1 public-lane score: 38.6 (Supported · #121/184)
- o4-mini public-lane score: Coming soon

| Benchmark | DeepSeek V3.1 | o4-mini | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 74.9% | 77.6% | o4-mini |
| MMLU-Pro | 83.7% | Coming soon | Coming soon |
| MMLU | Coming soon | 90% | Coming soon |
| SimpleQA | Coming soon | 20.2% | Coming soon |

### Multilingual

- Winner: Insufficient shared evidence
- DeepSeek V3.1 public-lane score: Coming soon
- o4-mini public-lane score: Coming soon

| Benchmark | DeepSeek V3.1 | o4-mini | Winner |
|-----------|-----------|-----------|--------|
| MGSM | Coming soon | 93.7% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- DeepSeek V3.1 public-lane score: 43.5 (#111/148)
- o4-mini public-lane score: 83.9 (#53/148)

### Mathematics

- Winner: Insufficient shared evidence
- DeepSeek V3.1 public-lane score: Coming soon
- o4-mini public-lane score: Coming soon

| Benchmark | DeepSeek V3.1 | o4-mini | Winner |
|-----------|-----------|-----------|--------|
| AIME 2024 | 66.3% | Coming soon | Coming soon |
| AIME 2025 | 49.8% | Coming soon | Coming soon |
| MATH-500 | Coming soon | 97.5% | Coming soon |

## FAQ

### Is there enough evidence to pick between DeepSeek V3.1 and o4-mini?

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 V3.1 vs DeepSeek V3.1 (Reasoning)](/compare/deepseek-v3-1-vs-deepseek-v3-1-reasoning)
- [o4-mini vs DeepSeek V3.1 (Reasoning)](/compare/deepseek-v3-1-reasoning-vs-o4-mini)
- [DeepSeek V3.1 vs o4-mini (high)](/compare/deepseek-v3-1-vs-o4-mini-high)
- [o4-mini vs o4-mini (high)](/compare/o4-mini-vs-o4-mini-high)

## Explore More

- [DeepSeek V3.1 profile](/models/deepseek-v3-1)
- [o4-mini profile](/models/o4-mini)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)