# Gemini 3.1 Pro vs GPT-4.1 nano

> Side-by-side benchmark comparison for Gemini 3.1 Pro and GPT-4.1 nano across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-1-pro-vs-gpt-4-1-nano
- Last updated: September 18, 2026

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

## Quick Verdict

Evidence is too thin for a benchmark verdict: Gemini 3.1 Pro and GPT-4.1 nano 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.
- GPT-4.1 nano has the lower published output-token price.

## Model Snapshot

| Property | Gemini 3.1 Pro | GPT-4.1 nano |
|----------|----------|----------|
| Creator | Google | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | 70.18 | 27.28 |
| Benchmarks Covered | 28 | 4 |
| Pricing (input/output) | $2.00 / $12.00 | $0.10 / $0.40 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemini 3.1 Pro public-lane score: 39.9 (Supported · #121/154)
- GPT-4.1 nano public-lane score: 33.7 (Estimated · #139/154)

| Benchmark | Gemini 3.1 Pro | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| Claw-Eval | 57.8% | Coming soon | Coming soon |
| DeepSearchQA | 69.7% | Coming soon | Coming soon |
| τ²-bench results | 95.6% | Coming soon | Coming soon |
| Gert Labs | 56.87% | Coming soon | Coming soon |
| ResearchClawBench | 13.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 70.8% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemini 3.1 Pro public-lane score: 45.9 (Supported · #89/154)
- GPT-4.1 nano public-lane score: 31.1 (Estimated · #139/154)

| Benchmark | Gemini 3.1 Pro | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench Pro | 82.9% | Coming soon | Coming soon |
| React Native Evals | 78.9% | Coming soon | Coming soon |
| Vibe Code Bench | 32.03% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 88.5% | Coming soon | Coming soon |
| SWE-bench (Vals) | 78.8% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Gemini 3.1 Pro public-lane score: 50.7 (Unranked · 2 rankable rows)
- GPT-4.1 nano public-lane score: 35 (Unranked · 2 rankable rows)

| Benchmark | Gemini 3.1 Pro | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 77.1% | Coming soon | Coming soon |
| ARC-AGI-3 | 0.4% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemini 3.1 Pro public-lane score: 79.1 (#12/49)
- GPT-4.1 nano public-lane score: 25.4 (Unranked · 1 rankable row)

| Benchmark | Gemini 3.1 Pro | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 83.9% | Coming soon | Coming soon |
| 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 |

### Knowledge

- Winner: Insufficient shared evidence
- Gemini 3.1 Pro public-lane score: 66.1 (Supported · #22/184)
- GPT-4.1 nano public-lane score: 29.8 (Supported · #180/184)

| Benchmark | Gemini 3.1 Pro | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 94.3% | Coming soon | Coming soon |
| HLE w/o tools | 45.4% | Coming soon | Coming soon |
| HealthBench Hard | 20.6% | Coming soon | Coming soon |
| MedXpertQA (Text) | 71.5% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 95.5% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 91.0% | Coming soon | Coming soon |
| MMLU | Coming soon | 80.1% | Coming soon |
| GPQA | Coming soon | 50.3% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemini 3.1 Pro public-lane score: Coming soon
- GPT-4.1 nano public-lane score: 34.6 (#109/124)

| Benchmark | Gemini 3.1 Pro | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 83.2% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Gemini 3.1 Pro public-lane score: 54.2 (Unranked · 2 rankable rows)
- GPT-4.1 nano public-lane score: 25.4 (Unranked · 1 rankable row)

| Benchmark | Gemini 3.1 Pro | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 36.900% | 1.034% | Gemini 3.1 Pro |
| FrontierMath v2 (Tier 4) | 16.700% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Gemini 3.1 Pro and GPT-4.1 nano?

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

- [Gemini 3.1 Pro vs GPT-4.1](/compare/gemini-3-1-pro-vs-gpt-4-1)
- [GPT-4.1 nano vs GPT-4.1](/compare/gpt-4-1-vs-gpt-4-1-nano)
- [Gemini 3.1 Pro vs GPT-4.1 mini](/compare/gemini-3-1-pro-vs-gpt-4-1-mini)
- [GPT-4.1 nano vs GPT-4.1 mini](/compare/gpt-4-1-mini-vs-gpt-4-1-nano)

## Explore More

- [Gemini 3.1 Pro profile](/models/gemini-3-1-pro)
- [GPT-4.1 nano profile](/models/gpt-4-1-nano)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)