# GPT-4.1 mini vs GPT-4.1 nano

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

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

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick GPT-4.1 mini if you want the stronger benchmark profile. GPT-4.1 nano only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- GPT-4.1 mini leads overall 34.46 to 28.43.
- The clearest category separation is in multimodal & grounded, where the averages are 46.5 for GPT-4.1 mini and 25.3 for GPT-4.1 nano.
- The biggest single benchmark swing is GPQA in Knowledge, with scores of 64.2% and 50.3%.
- GPT-4.1 nano is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | GPT-4.1 mini | GPT-4.1 nano |
|----------|----------|----------|
| Creator | OpenAI | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 1M | 1M |
| Overall Score | 34.46 | 28.43 |
| Benchmarks Covered | 5 | 4 |
| Pricing (input/output) | $0.40 / $1.60 | $0.10 / $0.40 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- GPT-4.1 mini public-lane score: 35.2 (Estimated · #131/151)
- GPT-4.1 nano public-lane score: 32 (Estimated · #137/151)

### Coding

- Winner: Coming soon
- GPT-4.1 mini public-lane score: 37.1 (Estimated · #153/183)
- GPT-4.1 nano public-lane score: 32.3 (Estimated · #164/183)

| Benchmark | GPT-4.1 mini | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 23.6% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- GPT-4.1 mini public-lane score: 46.5 (Unranked · 1 rankable row)
- GPT-4.1 nano public-lane score: 25.3 (Unranked · 1 rankable row)

### Reasoning

- Winner: Coming soon
- GPT-4.1 mini public-lane score: 53.6 (Unranked · 2 rankable rows)
- GPT-4.1 nano public-lane score: 34.9 (Unranked · 2 rankable rows)

### Knowledge

- Winner: GPT-4.1 mini
- GPT-4.1 mini public-lane score: 35.8 (Supported · #159/181)
- GPT-4.1 nano public-lane score: 30.2 (Supported · #175/181)

| Benchmark | GPT-4.1 mini | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| MMLU | 87.5% | 80.1% | GPT-4.1 mini |
| GPQA | 64.2% | 50.3% | GPT-4.1 mini |

### Instruction Following

- Winner: Coming soon
- GPT-4.1 mini public-lane score: 44.2 (#93/120)
- GPT-4.1 nano public-lane score: 36 (#106/120)

| Benchmark | GPT-4.1 mini | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 88.5% | 83.2% | GPT-4.1 mini |

### Mathematics

- Winner: Coming soon
- GPT-4.1 mini public-lane score: 28.5 (Unranked · 1 rankable row)
- GPT-4.1 nano public-lane score: 25.6 (Unranked · 1 rankable row)

| Benchmark | GPT-4.1 mini | GPT-4.1 nano | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 4.483% | 1.034% | GPT-4.1 mini |

## FAQ

### Which is better overall, GPT-4.1 mini or GPT-4.1 nano?

GPT-4.1 mini is ahead overall on BenchLM right now.

### Where is the biggest gap between GPT-4.1 mini and GPT-4.1 nano?

The widest category gap is in multimodal & grounded, where the averages are 46.5 for GPT-4.1 mini and 25.3 for GPT-4.1 nano.

### How many benchmarks does GPT-4.1 mini cover on BenchLM?

GPT-4.1 mini currently has 5 sourced benchmark scores on BenchLM.

### How many benchmarks does GPT-4.1 nano cover on BenchLM?

GPT-4.1 nano currently has 4 sourced benchmark scores on BenchLM.

## Related Comparisons

- [GPT-4.1 mini vs GPT-4.1](/compare/gpt-4-1-vs-gpt-4-1-mini)
- [GPT-4.1 nano vs GPT-4.1](/compare/gpt-4-1-vs-gpt-4-1-nano)
- [GPT-4.1 mini vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-gpt-4-1-mini)
- [GPT-4.1 nano vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-gpt-4-1-nano)

## Explore More

- [GPT-4.1 mini profile](/models/gpt-4-1-mini)
- [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)