# Gemini 1.5 Flash vs GPT-4.1 nano

> Side-by-side benchmark comparison for Gemini 1.5 Flash and GPT-4.1 nano across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-1-5-flash-vs-gpt-4-1-nano
- Last updated: October 14, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Gemini 1.5 Flash 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.

## Model Snapshot

| Property | Gemini 1.5 Flash | 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) | null | 24.41 |
| Benchmarks Covered | 5 | 3 |
| Pricing (input/output) | N/A | $0.10 / $0.40 |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- Gemini 1.5 Flash public-lane score: Coming soon
- GPT-4.1 nano public-lane score: 10.7 (Estimated · #142/149)

| Benchmark | Gemini 1.5 Flash | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 9.6% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Gemini 1.5 Flash public-lane score: Coming soon
- GPT-4.1 nano public-lane score: 39.8 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemini 1.5 Flash public-lane score: Coming soon
- GPT-4.1 nano public-lane score: 29.8 (Unranked · 1 rankable row)

| Benchmark | Gemini 1.5 Flash | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| MMMU | 58.3% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Gemini 1.5 Flash public-lane score: Coming soon
- GPT-4.1 nano public-lane score: 25.7 (Supported · #168/181)

| Benchmark | Gemini 1.5 Flash | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 50% | 50.3% | GPT-4.1 nano |
| SimpleQA | 8.6% | Coming soon | Coming soon |
| MMLU | Coming soon | 80.1% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemini 1.5 Flash public-lane score: Coming soon
- GPT-4.1 nano public-lane score: 36 (#111/128)

| Benchmark | Gemini 1.5 Flash | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 83.2% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Gemini 1.5 Flash public-lane score: Coming soon
- GPT-4.1 nano public-lane score: Coming soon

| Benchmark | Gemini 1.5 Flash | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 14.7% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Gemini 1.5 Flash 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 1.5 Flash vs GPT-4.1](/compare/gemini-1-5-flash-vs-gpt-4-1)
- [GPT-4.1 nano vs GPT-4.1](/compare/gpt-4-1-vs-gpt-4-1-nano)
- [Gemini 1.5 Flash vs GPT-4.1 mini](/compare/gemini-1-5-flash-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 1.5 Flash profile](/models/gemini-1-5-flash)
- [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)