# GPT-4.1 mini vs o3-pro

> o3-pro is the stronger model overall, scoring 42.7 to 33.5 on the Noometry Index. GPT-4.1 mini costs 50× less per token, which makes it the better buy when o3-pro's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gpt-4-1-mini-vs-o3-pro
- Last updated: 2026-10-10
- Shared benchmarks: 9

## Summary

- They share 9 benchmarks with published results for both. GPT-4.1 mini scores higher in 1 category and o3-pro in 4 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in long context, where o3-pro leads 72.1 to 31.8.
- The biggest single-benchmark swing is ARC-AGI-1: 3.5% for GPT-4.1 mini and 59.3% for o3-pro.
- GPT-4.1 mini is cheaper at $0.40 / $1.60 per million input/output tokens, against $20 / $80 for o3-pro.
- GPT-4.1 mini accepts more context: 1.05M tokens versus 200K.

## Snapshot

| | GPT-4.1 mini | o3-pro |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Noometry Index | 33.5 | 42.7 |
| Rank | 232 | 94 |
| Context | 1.05M | 200K |
| Input $/M | $0.40 | $20 |
| Output $/M | $1.60 | $80 |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-4.1 mini: 30.4 (#286)
- o3-pro: 55.1 (#22)

| Benchmark | GPT-4.1 mini | o3-pro |
|---|---|---|
| Aider Polyglot | 32.4% | 84.9% |
| WeirdML | 37.6% | 58.2% |
| SWE-bench Verified (bash only) | 23.9% | — |
| SciCode | 40.4% | — |
| BigCodeBench Instruct | 48.9% | — |
| LMArena Coding | 1367 | — |
| CadEval | 16% | — |

## Agentic & Tool Use

- GPT-4.1 mini: 33.0 (#52)
- o3-pro: —

| Benchmark | GPT-4.1 mini | o3-pro |
|---|---|---|
| Berkeley Function Calling Leaderboard | 50.5% | — |

## Reasoning

- GPT-4.1 mini: 10.9 (#335)
- o3-pro: 24.1 (#152)

| Benchmark | GPT-4.1 mini | o3-pro |
|---|---|---|
| ARC-AGI-2 | 0% | 4.9% |
| Kagi LLM Benchmark | 48.6% | 72.1% |
| ARC-AGI-1 | 3.5% | 59.3% |
| DTBench | 68.8% | 86.9% |
| LMCA | 21.1% | 38.5% |
| Epoch Capabilities Index | 135.01 | 147.43 |
| CritPt | 0% | — |
| Chess Puzzles | 7% | — |
| LMArena Hard Prompts | 1349 | — |
| Mystery Game Puzzles | 7% | — |

## Math

- GPT-4.1 mini: 23.1 (#264)
- o3-pro: —

| Benchmark | GPT-4.1 mini | o3-pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | 6.7% | — |
| OTIS Mock AIME 2024-2025 | 44.7% | — |
| Omni-MATH | 49.1% | — |
| LMArena Math | 1343 | — |
| MATH Level 5 | 87.3% | — |
| FrontierMath (Feb 2025 set) | 4.5% | — |

## Knowledge

- GPT-4.1 mini: 34.7 (#183)
- o3-pro: 29.0 (#234)

| Benchmark | GPT-4.1 mini | o3-pro |
|---|---|---|
| GPQA Diamond | 65.8% | — |
| SimpleQA Verified | 12.7% | — |
| MMLU-Pro | 78.3% | — |
| Confabulations | — | 14.2% |
| Vectara Hallucination Rate | — | 23.3% |
| GPQA (HELM) | 61.4% | — |
| LMArena Expert | 1338 | — |

## Multimodal

- GPT-4.1 mini: 35.2 (#77)
- o3-pro: —

| Benchmark | GPT-4.1 mini | o3-pro |
|---|---|---|
| LMArena Vision | 1181 | — |

## Multilingual

- GPT-4.1 mini: 45.9 (#161)
- o3-pro: —

| Benchmark | GPT-4.1 mini | o3-pro |
|---|---|---|
| LMArena Non-English | 1318 | — |
| LMArena Chinese | 1329 | — |
| LMArena French | 1357 | — |
| LMArena German | 1349 | — |
| LMArena Japanese | 1291 | — |
| LMArena Korean | 1298 | — |
| LMArena Russian | 1324 | — |
| LMArena Spanish | 1319 | — |

## Instruction Following

- GPT-4.1 mini: 73.9 (#113)
- o3-pro: —

| Benchmark | GPT-4.1 mini | o3-pro |
|---|---|---|
| IFEval | 90.4% | — |
| LMArena Instruction Following | 1332 | — |

## Long Context

- GPT-4.1 mini: 31.8 (#270)
- o3-pro: 72.1 (#1)

| Benchmark | GPT-4.1 mini | o3-pro |
|---|---|---|
| Fiction.LiveBench | 44.4% | 97.2% |
| LMArena Longer Query | 1344 | — |

## Writing & Preference

- GPT-4.1 mini: 48.8 (#193)
- o3-pro: 57.1 (#128)

| Benchmark | GPT-4.1 mini | o3-pro |
|---|---|---|
| LMArena Text | 1341 | — |
| LMArena Creative Writing | 1300 | — |
| Short-Story Creative Writing | — | 84.4% |
| EQ-Bench Creative Writing | 1147 | — |
| WildBench | 83.8% | — |
| LMArena Multi-Turn | 1354 | — |

## FAQ

### Is GPT-4.1 mini better than o3-pro?

o3-pro is the stronger model overall, scoring 42.7 to 33.5 on the Noometry Index. GPT-4.1 mini costs 50× less per token, which makes it the better buy when o3-pro's lead doesn't matter for your workload.

### Which is cheaper, GPT-4.1 mini or o3-pro?

GPT-4.1 mini is cheaper. It lists at $0.40 per million input tokens and $1.60 per million output tokens; o3-pro lists at $20 and $80.

### Is GPT-4.1 mini or o3-pro better for coding?

o3-pro scores higher on coding benchmarks: 55.1 versus 30.4 in the Noometry coding category.

### Which has the bigger context window?

GPT-4.1 mini does, with 1.05M tokens against 200K.

### How many benchmarks do GPT-4.1 mini and o3-pro share?

9 benchmarks have published results for both models. GPT-4.1 mini has 47 scored results on Noometry and o3-pro has 12.