# Gemini 3.1 Pro vs GPT-5.4 mini

> Side-by-side benchmark comparison for Gemini 3.1 Pro and GPT-5.4 mini across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-1-pro-vs-gpt-5-4-mini
- Last updated: September 10, 2026

- Shared sourced benchmarks: 11
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Gemini 3.1 Pro if you want the stronger benchmark profile. GPT-5.4 mini only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Gemini 3.1 Pro leads overall 69.95 to 61.11.
- The clearest category separation is in reasoning, where the averages are 50.6 for Gemini 3.1 Pro and 73.9 for GPT-5.4 mini.
- The biggest single benchmark swing is HLE w/o tools in Knowledge, with scores of 45.4% and 28.2%.
- GPT-5.4 mini is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Gemini 3.1 Pro also has the larger context window at 1M.

## Model Snapshot

| Property | Gemini 3.1 Pro | GPT-5.4 mini |
|----------|----------|----------|
| Creator | Google | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 400K |
| Overall Score | 69.95 | 61.11 |
| Benchmarks Covered | 28 | 19 |
| Pricing (input/output) | $2.00 / $12.00 | $0.75 / $4.50 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Gemini 3.1 Pro public-lane score: 38.9 (Supported · #121/152)
- GPT-5.4 mini public-lane score: 39.1 (Estimated · #119/152)

| Benchmark | Gemini 3.1 Pro | GPT-5.4 mini | Winner |
|-----------|-----------|-----------|--------|
| Claw-Eval | 57.8% | Coming soon | Coming soon |
| DeepSearchQA | 69.7% | Coming soon | Coming soon |
| τ²-bench results | 95.6% | 93.4% | Gemini 3.1 Pro |
| Gert Labs | 56.87% | Coming soon | Coming soon |
| ResearchClawBench | 13.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 70.8% | 54.7% | Gemini 3.1 Pro |
| Terminal-Bench 2.0 | Coming soon | 60% | Coming soon |
| OSWorld-Verified | Coming soon | 72.1% | Coming soon |
| MCP Atlas | Coming soon | 57.7% | Coming soon |
| Toolathlon | Coming soon | 42.9% | Coming soon |

### Coding

- Winner: Gemini 3.1 Pro
- Gemini 3.1 Pro public-lane score: 46.3 (Supported · #82/151)
- GPT-5.4 mini public-lane score: 42.7 (Supported · #104/151)

| Benchmark | Gemini 3.1 Pro | GPT-5.4 mini | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench Pro | 82.9% | Coming soon | Coming soon |
| React Native Evals | 78.9% | Coming soon | Coming soon |
| Vibe Code Bench | 32.03% | 47.97% | GPT-5.4 mini |
| LiveCodeBench (Vals) | 88.5% | 81.5% | Gemini 3.1 Pro |
| SWE-bench (Vals) | 78.8% | 73.0% | Gemini 3.1 Pro |
| FrontierCode 1.1 Main | Coming soon | 27.0% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Gemini 3.1 Pro public-lane score: 79.2 (#12/48)
- GPT-5.4 mini public-lane score: 57.2 (#31/48)

| Benchmark | Gemini 3.1 Pro | GPT-5.4 mini | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 83.9% | 76.6% | Gemini 3.1 Pro |
| CharXiv | 80.2% | Coming soon | Coming soon |
| ERQA | 69.4% | Coming soon | Coming soon |
| SimpleVQA | 72.4% | Coming soon | Coming soon |
| ScreenSpot Pro | 84.4% | Coming soon | Coming soon |
| ZeroBench | 29.0% | Coming soon | Coming soon |
| MedXpertQA (MM) | 81.3% | Coming soon | Coming soon |
| MMMU-Pro w/ Python | Coming soon | 78% | Coming soon |

### Reasoning

- Winner: Coming soon
- Gemini 3.1 Pro public-lane score: 50.6 (Unranked · 2 rankable rows)
- GPT-5.4 mini public-lane score: 73.9 (Unranked · 2 rankable rows)

| Benchmark | Gemini 3.1 Pro | GPT-5.4 mini | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 77.1% | Coming soon | Coming soon |
| ARC-AGI-3 | 0.4% | Coming soon | Coming soon |

### Knowledge

- Winner: Gemini 3.1 Pro
- Gemini 3.1 Pro public-lane score: 66.1 (Supported · #21/183)
- GPT-5.4 mini public-lane score: 55.6 (Supported · #52/183)

| Benchmark | Gemini 3.1 Pro | GPT-5.4 mini | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 94.3% | Coming soon | Coming soon |
| HLE w/o tools | 45.4% | 28.2% | Gemini 3.1 Pro |
| HealthBench Hard | 20.6% | Coming soon | Coming soon |
| MedXpertQA (Text) | 71.5% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 95.5% | 83.1% | Gemini 3.1 Pro |
| MMLU-Pro (Vals) | 91.0% | 84.6% | Gemini 3.1 Pro |
| GPQA | Coming soon | 88% | Coming soon |
| HLE | Coming soon | 41.5% | Coming soon |

### Instruction Following

- Winner: Coming soon
- Gemini 3.1 Pro public-lane score: Coming soon
- GPT-5.4 mini public-lane score: 89.8 (#23/123)

### Mathematics

- Winner: Coming soon
- Gemini 3.1 Pro public-lane score: 54.3 (Unranked · 2 rankable rows)
- GPT-5.4 mini public-lane score: 44.5 (Unranked · 2 rankable rows)

| Benchmark | Gemini 3.1 Pro | GPT-5.4 mini | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 36.900% | 28.280% | Gemini 3.1 Pro |
| FrontierMath v2 (Tier 4) | 16.700% | 2.080% | Gemini 3.1 Pro |

## FAQ

### Which is better overall, Gemini 3.1 Pro or GPT-5.4 mini?

Gemini 3.1 Pro is ahead overall on BenchLM right now.

### Where is the biggest gap between Gemini 3.1 Pro and GPT-5.4 mini?

The widest category gap is in reasoning, where the averages are 50.6 for Gemini 3.1 Pro and 73.9 for GPT-5.4 mini.

### How many benchmarks does Gemini 3.1 Pro cover on BenchLM?

Gemini 3.1 Pro currently has 28 sourced benchmark scores on BenchLM.

### How many benchmarks does GPT-5.4 mini cover on BenchLM?

GPT-5.4 mini currently has 19 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemini 3.1 Pro vs GPT-5.4](/compare/gemini-3-1-pro-vs-gpt-5-4)
- [GPT-5.4 mini vs GPT-5.4](/compare/gpt-5-4-vs-gpt-5-4-mini)
- [Gemini 3.1 Pro vs GPT-5.4 Pro](/compare/gemini-3-1-pro-vs-gpt-5-4-pro)
- [GPT-5.4 mini vs GPT-5.4 Pro](/compare/gpt-5-4-mini-vs-gpt-5-4-pro)

## Explore More

- [Gemini 3.1 Pro profile](/models/gemini-3-1-pro)
- [GPT-5.4 mini profile](/models/gpt-5-4-mini)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)