# GPT-4.1 mini vs GPT-6 Sol

> GPT-6 Sol is the stronger model overall, scoring 49.2 to 33.5 on the Noometry Index. GPT-4.1 mini costs 5.7× less per token, which makes it the better buy when GPT-6 Sol's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gpt-4-1-mini-vs-gpt-6-sol
- Last updated: 2026-10-10
- Shared benchmarks: 14

## Summary

- They share 14 benchmarks with published results for both. GPT-4.1 mini scores higher in 0 categories and GPT-6 Sol in 10 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-6 Sol leads 49.3 to 10.9.
- GPT-4.1 mini is cheaper at $0.40 / $1.60 per million input/output tokens, against $2 / $10 for GPT-6 Sol.
- GPT-6 Sol accepts more context: 1.05M tokens versus 1.05M.

## Snapshot

| | GPT-4.1 mini | GPT-6 Sol |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Noometry Index | 33.5 | 49.2 |
| Rank | 232 | 46 |
| Context | 1.05M | 1.05M |
| Input $/M | $0.40 | $2 |
| Output $/M | $1.60 | $10 |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-4.1 mini: 30.4 (#286)
- GPT-6 Sol: 59.6 (#11)

| Benchmark | GPT-4.1 mini | GPT-6 Sol |
|---|---|---|
| LMArena Coding | 1367 | 1453 |
| DeepSWE | — | 68.8% |
| FrontierCode | — | 49.3% |
| SWE-bench Verified (bash only) | 23.9% | — |
| Aider Polyglot | 32.4% | — |
| LMArena WebDev | — | 1692 |
| SciCode | 40.4% | — |
| WeirdML | 37.6% | — |
| BigCodeBench Instruct | 48.9% | — |
| CadEval | 16% | — |

## Agentic & Tool Use

- GPT-4.1 mini: 33.0 (#52)
- GPT-6 Sol: 33.5 (#49)

| Benchmark | GPT-4.1 mini | GPT-6 Sol |
|---|---|---|
| Berkeley Function Calling Leaderboard | 50.5% | — |
| GDP.pdf | — | 28% |

## Reasoning

- GPT-4.1 mini: 10.9 (#335)
- GPT-6 Sol: 49.3 (#34)

| Benchmark | GPT-4.1 mini | GPT-6 Sol |
|---|---|---|
| LMArena Hard Prompts | 1349 | 1420 |
| ARC-AGI-2 | 0% | — |
| Kagi LLM Benchmark | 48.6% | — |
| NYT Connections (extended) | — | 90.1% |
| ARC-AGI-1 | 3.5% | — |
| CritPt | 0% | — |
| Chess Puzzles | 7% | — |
| EBR-Bench | — | 53.3% |
| Mystery Game Puzzles | 7% | — |
| DTBench | 68.8% | — |
| LMCA | 21.1% | — |
| Epoch Capabilities Index | 135.01 | — |

## Math

- GPT-4.1 mini: 23.1 (#264)
- GPT-6 Sol: 35.8 (#135)

| Benchmark | GPT-4.1 mini | GPT-6 Sol |
|---|---|---|
| LMArena Math | 1343 | 1404 |
| FrontierMath (Tiers 1-3) | 6.7% | — |
| OTIS Mock AIME 2024-2025 | 44.7% | — |
| Omni-MATH | 49.1% | — |
| MATH Level 5 | 87.3% | — |
| FrontierMath (Feb 2025 set) | 4.5% | — |

## Knowledge

- GPT-4.1 mini: 34.7 (#183)
- GPT-6 Sol: 43.0 (#87)

| Benchmark | GPT-4.1 mini | GPT-6 Sol |
|---|---|---|
| LMArena Expert | 1338 | 1449 |
| GPQA Diamond | 65.8% | — |
| SimpleQA Verified | 12.7% | — |
| MMLU-Pro | 78.3% | — |
| Vectara Hallucination Rate | — | 6.5% |
| GPQA (HELM) | 61.4% | — |

## Multimodal

- GPT-4.1 mini: 35.2 (#77)
- GPT-6 Sol: 47.6 (#9)

| Benchmark | GPT-4.1 mini | GPT-6 Sol |
|---|---|---|
| LMArena Vision | 1181 | — |
| Furniture Assembly | — | 58.3% |

## Multilingual

- GPT-4.1 mini: 45.9 (#161)
- GPT-6 Sol: 51.0 (#113)

| Benchmark | GPT-4.1 mini | GPT-6 Sol |
|---|---|---|
| LMArena Non-English | 1318 | 1389 |
| LMArena Chinese | 1329 | 1416 |
| LMArena Russian | 1324 | 1407 |
| LMArena Spanish | 1319 | 1377 |
| LMArena French | 1357 | — |
| LMArena German | 1349 | — |
| LMArena Japanese | 1291 | — |
| LMArena Korean | 1298 | — |

## Instruction Following

- GPT-4.1 mini: 73.9 (#113)
- GPT-6 Sol: 74.4 (#97)

| Benchmark | GPT-4.1 mini | GPT-6 Sol |
|---|---|---|
| LMArena Instruction Following | 1332 | 1406 |
| IFEval | 90.4% | — |

## Long Context

- GPT-4.1 mini: 31.8 (#270)
- GPT-6 Sol: 43.2 (#100)

| Benchmark | GPT-4.1 mini | GPT-6 Sol |
|---|---|---|
| LMArena Longer Query | 1344 | 1415 |
| Fiction.LiveBench | 44.4% | — |

## Writing & Preference

- GPT-4.1 mini: 48.8 (#193)
- GPT-6 Sol: 72.3 (#15)

| Benchmark | GPT-4.1 mini | GPT-6 Sol |
|---|---|---|
| LMArena Text | 1341 | 1396 |
| LMArena Creative Writing | 1300 | 1392 |
| EQ-Bench Creative Writing | 1147 | 2125 |
| LMArena Multi-Turn | 1354 | 1405 |
| WildBench | 83.8% | — |

## FAQ

### Is GPT-4.1 mini better than GPT-6 Sol?

GPT-6 Sol is the stronger model overall, scoring 49.2 to 33.5 on the Noometry Index. GPT-4.1 mini costs 5.7× less per token, which makes it the better buy when GPT-6 Sol's lead doesn't matter for your workload.

### Which is cheaper, GPT-4.1 mini or GPT-6 Sol?

GPT-4.1 mini is cheaper. It lists at $0.40 per million input tokens and $1.60 per million output tokens; GPT-6 Sol lists at $2 and $10.

### Is GPT-4.1 mini or GPT-6 Sol better for coding?

GPT-6 Sol scores higher on coding benchmarks: 59.6 versus 30.4 in the Noometry coding category.

### Which has the bigger context window?

GPT-6 Sol does, with 1.05M tokens against 1.05M.

### How many benchmarks do GPT-4.1 mini and GPT-6 Sol share?

14 benchmarks have published results for both models. GPT-4.1 mini has 47 scored results on Noometry and GPT-6 Sol has 22.