# Gemini 2.5 Pro vs GPT-4.1 nano

> Side-by-side benchmark comparison for Gemini 2.5 Pro and GPT-4.1 nano across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-2-5-pro-vs-gpt-4-1-nano
- Last updated: September 29, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Evidence is too thin for a benchmark verdict: Gemini 2.5 Pro and GPT-4.1 nano share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are 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 2.5 Pro | GPT-4.1 nano |
|----------|----------|----------|
| Creator | Google | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | 50.17 | 24.89 |
| Benchmarks Covered | 8 | 4 |
| Pricing (input/output) | $1.25 / $10.00 | $0.10 / $0.40 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 25.4 (Estimated · #91/117)
- GPT-4.1 nano public-lane score: Coming soon

| Benchmark | Gemini 2.5 Pro | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 42.01% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 24.4 (Supported · #108/143)
- GPT-4.1 nano public-lane score: 14.8 (Estimated · #137/143)

| Benchmark | Gemini 2.5 Pro | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 63.8% | Coming soon | Coming soon |
| Vibe Code Bench | 0.40% | Coming soon | Coming soon |
| SWE-bench (Vals) | 54.4% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 69.7 (Unranked · 2 rankable rows)
- GPT-4.1 nano public-lane score: 36.1 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 71.4 (Unranked · 1 rankable row)
- GPT-4.1 nano public-lane score: 26.4 (Unranked · 1 rankable row)

### Knowledge

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 44.1 (Supported · #80/169)
- GPT-4.1 nano public-lane score: 25.2 (Supported · #162/169)

| Benchmark | Gemini 2.5 Pro | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 83% | 50.3% | Gemini 2.5 Pro |
| HLE | 18.8% | Coming soon | Coming soon |
| MMLU | Coming soon | 80.1% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 56.4 (#76/124)
- GPT-4.1 nano public-lane score: 34.6 (#109/124)

| Benchmark | Gemini 2.5 Pro | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 83.2% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 35.1 (Unranked · 2 rankable rows)
- GPT-4.1 nano public-lane score: 25.4 (Unranked · 1 rankable row)

| Benchmark | Gemini 2.5 Pro | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 14.138% | 1.034% | Gemini 2.5 Pro |
| FrontierMath v2 (Tier 4) | 4.167% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Gemini 2.5 Pro and GPT-4.1 nano?

Not yet. The models share only 2 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

- [Gemini 2.5 Pro vs GPT-4.1](/compare/gemini-2-5-pro-vs-gpt-4-1)
- [GPT-4.1 nano vs GPT-4.1](/compare/gpt-4-1-vs-gpt-4-1-nano)
- [Gemini 2.5 Pro vs GPT-4.1 mini](/compare/gemini-2-5-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 2.5 Pro profile](/models/gemini-2-5-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)