# DeepSeek V3 vs o3-mini

> Side-by-side benchmark comparison for DeepSeek V3 and o3-mini across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/deepseek-v3-vs-o3-mini
- Last updated: September 29, 2026

- Shared sourced benchmarks: 3
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Evidence is too thin for a benchmark verdict: DeepSeek V3 and o3-mini share only 3 sourced benchmark rows.

## Summary

- Only 3 shared sourced benchmark rows are 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.
- o3-mini has the larger published context window at 200K.

## Model Snapshot

| Property | DeepSeek V3 | o3-mini |
|----------|----------|----------|
| Creator | DeepSeek | OpenAI |
| Type | Open Weight | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 128K | 200K |
| Independent public score (not head-to-head) | 31.86 | 40.11 |
| Benchmarks Covered | 6 | 5 |
| Pricing (input/output) | $0.27 / $1.10 | $1.10 / $4.40 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- DeepSeek V3 public-lane score: 12.1 (Estimated · #113/117)
- o3-mini public-lane score: Coming soon

### Coding

- Winner: Insufficient shared evidence
- DeepSeek V3 public-lane score: 18.6 (Estimated · #131/143)
- o3-mini public-lane score: Coming soon

| Benchmark | DeepSeek V3 | o3-mini | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench | 37.6% | Coming soon | Coming soon |
| SWE-bench Verified | 42% | 49.3% | o3-mini |

### Reasoning

- Winner: Insufficient shared evidence
- DeepSeek V3 public-lane score: 42.3 (Unranked · 2 rankable rows)
- o3-mini public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- DeepSeek V3 public-lane score: 30.2 (Estimated · #140/169)
- o3-mini public-lane score: 35.5 (Supported · #117/169)

| Benchmark | DeepSeek V3 | o3-mini | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 59.1% | 77.2% | o3-mini |
| MMLU-Pro | 75.9% | Coming soon | Coming soon |
| MMLU | Coming soon | 86.9% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- DeepSeek V3 public-lane score: 38.2 (#103/124)
- o3-mini public-lane score: Coming soon

| Benchmark | DeepSeek V3 | o3-mini | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 86.1% | 93.9% | o3-mini |

### Mathematics

- Winner: Insufficient shared evidence
- DeepSeek V3 public-lane score: 26 (Unranked · 1 rankable row)
- o3-mini public-lane score: Coming soon

| Benchmark | DeepSeek V3 | o3-mini | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 1.724% | Coming soon | Coming soon |
| AIME 2024 | Coming soon | 87.3% | Coming soon |

## FAQ

### Is there enough evidence to pick between DeepSeek V3 and o3-mini?

Not yet. The models share only 3 sourced benchmark rows, 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 vs o3-pro](/compare/deepseek-v3-vs-o3-pro)
- [o3-mini vs o3-pro](/compare/o3-mini-vs-o3-pro)
- [DeepSeek V3 vs o3](/compare/deepseek-v3-vs-o3)
- [o3-mini vs o3](/compare/o3-vs-o3-mini)

## Explore More

- [DeepSeek V3 profile](/models/deepseek-v3)
- [o3-mini profile](/models/o3-mini)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)