# DeepSeek V3.1 (Reasoning) vs GPT-5.4 Pro

> Side-by-side benchmark comparison for DeepSeek V3.1 (Reasoning) and GPT-5.4 Pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/deepseek-v3-1-reasoning-vs-gpt-5-4-pro
- Last updated: October 10, 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 (Reasoning) and GPT-5.4 Pro 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 (Reasoning) has the lower published output-token price.
- GPT-5.4 Pro has the larger published context window at 1.05M.

## Model Snapshot

| Property | DeepSeek V3.1 (Reasoning) | GPT-5.4 Pro |
|----------|----------|----------|
| Creator | DeepSeek | OpenAI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 128K | 1.05M |
| Independent public score (not head-to-head) | 38.9 | 68.93 |
| Benchmarks Covered | 6 | 11 |
| Pricing (input/output) | $0.00 / $0.00 | $30.00 / $180.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- DeepSeek V3.1 (Reasoning) public-lane score: Coming soon
- GPT-5.4 Pro public-lane score: Coming soon

| Benchmark | DeepSeek V3.1 (Reasoning) | GPT-5.4 Pro | Winner |
|-----------|-----------|-----------|--------|
| BrowseComp | Coming soon | 89.3% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- DeepSeek V3.1 (Reasoning) public-lane score: Coming soon
- GPT-5.4 Pro public-lane score: Coming soon

| Benchmark | DeepSeek V3.1 (Reasoning) | GPT-5.4 Pro | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench | 74.8% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- DeepSeek V3.1 (Reasoning) public-lane score: 65 (Unranked · 2 rankable rows)
- GPT-5.4 Pro public-lane score: 78.1 (Unranked · 3 rankable rows)

| Benchmark | DeepSeek V3.1 (Reasoning) | GPT-5.4 Pro | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | Coming soon | 83.3% | Coming soon |
| ARC-AGI-1 | Coming soon | 94.50% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- DeepSeek V3.1 (Reasoning) public-lane score: 40.6 (Supported · #109/177)
- GPT-5.4 Pro public-lane score: Coming soon

| Benchmark | DeepSeek V3.1 (Reasoning) | GPT-5.4 Pro | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 80.1% | Coming soon | Coming soon |
| MMLU-Pro | 84.8% | Coming soon | Coming soon |
| HLE | 15.9% | 58.7% | GPT-5.4 Pro |
| FrontierScience | Coming soon | 36.7% | Coming soon |
| FrontierScience Research | Coming soon | 36.7% | Coming soon |
| HLE w/o tools | Coming soon | 42.7% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- DeepSeek V3.1 (Reasoning) public-lane score: 48.4 (#84/127)
- GPT-5.4 Pro public-lane score: Coming soon

### Mathematics

- Winner: Insufficient shared evidence
- DeepSeek V3.1 (Reasoning) public-lane score: Coming soon
- GPT-5.4 Pro public-lane score: 69.3 (Unranked · 4 rankable rows)

| Benchmark | DeepSeek V3.1 (Reasoning) | GPT-5.4 Pro | Winner |
|-----------|-----------|-----------|--------|
| AIME 2024 | 93.1% | Coming soon | Coming soon |
| AIME 2025 | 88.4% | Coming soon | Coming soon |
| IPhO 2025 (Theory) | Coming soon | 93.5% | Coming soon |
| FrontierMath (legacy) | Coming soon | 50% | Coming soon |
| FrontierMath v2 (Tiers 1-3) | Coming soon | 50.000% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 37.500% | Coming soon |

## FAQ

### Is there enough evidence to pick between DeepSeek V3.1 (Reasoning) and GPT-5.4 Pro?

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 (Reasoning) vs DeepSeek V3.1](/compare/deepseek-v3-1-vs-deepseek-v3-1-reasoning)
- [GPT-5.4 Pro vs DeepSeek V3.1](/compare/deepseek-v3-1-vs-gpt-5-4-pro)
- [DeepSeek V3.1 (Reasoning) vs GPT-5.4](/compare/deepseek-v3-1-reasoning-vs-gpt-5-4)
- [GPT-5.4 Pro vs GPT-5.4](/compare/gpt-5-4-vs-gpt-5-4-pro)

## Explore More

- [DeepSeek V3.1 (Reasoning) profile](/models/deepseek-v3-1-reasoning)
- [GPT-5.4 Pro profile](/models/gpt-5-4-pro)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)