# GPT-4.1 nano vs o3-mini

> Side-by-side benchmark comparison for GPT-4.1 nano and o3-mini across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-4-1-nano-vs-o3-mini
- Last updated: September 10, 2026

- Shared sourced benchmarks: 3
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: GPT-4.1 nano and o3-mini share only 3 sourced benchmark rows.

## Summary

- Only 3 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.
- GPT-4.1 nano has the larger published context window at 1M.

## Model Snapshot

| Property | GPT-4.1 nano | o3-mini |
|----------|----------|----------|
| Creator | OpenAI | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 200K |
| Independent public score (not head-to-head) | 27.15 | 46.83 |
| Benchmarks Covered | 4 | 5 |
| Pricing (input/output) | $0.10 / $0.40 | $1.10 / $4.40 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 33.4 (Estimated · #136/152)
- o3-mini public-lane score: Coming soon

### Coding

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 30.9 (Estimated · #136/151)
- o3-mini public-lane score: 45.3 (Estimated · #88/151)

| Benchmark | GPT-4.1 nano | o3-mini | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | Coming soon | 49.3% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 25.3 (Unranked · 1 rankable row)
- o3-mini public-lane score: Coming soon

### Reasoning

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 35 (Unranked · 2 rankable rows)
- o3-mini public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 29.6 (Supported · #177/183)
- o3-mini public-lane score: 39.7 (Supported · #134/183)

| Benchmark | GPT-4.1 nano | o3-mini | Winner |
|-----------|-----------|-----------|--------|
| MMLU | 80.1% | 86.9% | o3-mini |
| GPQA | 50.3% | 77.2% | o3-mini |

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 36.3 (#108/123)
- o3-mini public-lane score: Coming soon

| Benchmark | GPT-4.1 nano | o3-mini | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 83.2% | 93.9% | o3-mini |

### Mathematics

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 25.6 (Unranked · 1 rankable row)
- o3-mini public-lane score: Coming soon

| Benchmark | GPT-4.1 nano | o3-mini | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 1.034% | Coming soon | Coming soon |
| AIME 2024 | Coming soon | 87.3% | Coming soon |

## FAQ

### Is there enough evidence to pick between GPT-4.1 nano and o3-mini?

Not yet. The models share only 3 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

- [GPT-4.1 nano vs GPT-4.1](/compare/gpt-4-1-vs-gpt-4-1-nano)
- [o3-mini vs GPT-4.1](/compare/gpt-4-1-vs-o3-mini)
- [GPT-4.1 nano vs GPT-4.1 mini](/compare/gpt-4-1-mini-vs-gpt-4-1-nano)
- [o3-mini vs GPT-4.1 mini](/compare/gpt-4-1-mini-vs-o3-mini)

## Explore More

- [GPT-4.1 nano profile](/models/gpt-4-1-nano)
- [o3-mini profile](/models/o3-mini)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)