# GPT-4.1 mini vs Yi-Lightning

> Yi-Lightning is the stronger model overall, scoring 37.1 to 33.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-4-1-mini-vs-yi-lightning
- Last updated: 2026-10-12
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. GPT-4.1 mini scores higher in 3 categories and Yi-Lightning in 5 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Yi-Lightning leads 25.9 to 10.8.
- The biggest single-benchmark swing is Aider Polyglot: 32.4% for GPT-4.1 mini and 12.9% for Yi-Lightning.

## Snapshot

| | GPT-4.1 mini | Yi-Lightning |
|---|---|---|
| Provider | OpenAI | 01.AI |
| Noometry Index | 33.6 | 37.1 |
| Rank | 240 | 209 |
| Context | 1.05M | — |
| Input $/M | $0.40 | — |
| Output $/M | $1.60 | — |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-4.1 mini: 30.6 (#293)
- Yi-Lightning: 27.4 (#320)

| Benchmark | GPT-4.1 mini | Yi-Lightning |
|---|---|---|
| Aider Polyglot | 32.4% | 12.9% |
| LMArena Coding | 1367 | 1312 |
| SWE-bench Verified (bash only) | 23.9% | — |
| SciCode | 40.4% | — |
| WeirdML | 37.6% | — |
| BigCodeBench Instruct | 48.9% | — |
| CadEval | 16% | — |

## Agentic & Tool Use

- GPT-4.1 mini: 33.3 (#55)
- Yi-Lightning: —

| Benchmark | GPT-4.1 mini | Yi-Lightning |
|---|---|---|
| Berkeley Function Calling Leaderboard | 50.5% | — |

## Reasoning

- GPT-4.1 mini: 10.8 (#340)
- Yi-Lightning: 25.9 (#139)

| Benchmark | GPT-4.1 mini | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1349 | 1302 |
| ARC-AGI-2 | 0% | — |
| Kagi LLM Benchmark | 48.6% | — |
| ARC-AGI-1 | 3.5% | — |
| CritPt | 0% | — |
| Chess Puzzles | 7% | — |
| Mystery Game Puzzles | 7% | — |
| DTBench | 68.8% | — |
| LMCA | 21.1% | — |
| Epoch Capabilities Index | 135.01 | — |

## Math

- GPT-4.1 mini: 24.1 (#270)
- Yi-Lightning: 36.2 (#172)

| Benchmark | GPT-4.1 mini | Yi-Lightning |
|---|---|---|
| LMArena Math | 1343 | 1300 |
| 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 (#194)
- Yi-Lightning: 35.4 (#185)

| Benchmark | GPT-4.1 mini | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1338 | 1286 |
| GPQA Diamond | 65.8% | — |
| SimpleQA Verified | 12.7% | — |
| MMLU-Pro | 78.3% | — |
| GPQA (HELM) | 61.4% | — |

## Multimodal

- GPT-4.1 mini: 35.8 (#82)
- Yi-Lightning: —

| Benchmark | GPT-4.1 mini | Yi-Lightning |
|---|---|---|
| LMArena Vision | 1181 | — |

## Multilingual

- GPT-4.1 mini: 45.7 (#166)
- Yi-Lightning: 42.2 (#196)

| Benchmark | GPT-4.1 mini | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1318 | 1269 |
| LMArena Chinese | 1329 | 1320 |
| LMArena French | 1358 | 1305 |
| LMArena German | 1351 | 1267 |
| LMArena Japanese | 1290 | 1228 |
| LMArena Korean | 1298 | 1192 |
| LMArena Russian | 1324 | 1255 |
| LMArena Spanish | 1319 | 1315 |

## Instruction Following

- GPT-4.1 mini: 73.7 (#118)
- Yi-Lightning: 67.4 (#196)

| Benchmark | GPT-4.1 mini | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1333 | 1278 |
| IFEval | 90.4% | — |

## Long Context

- GPT-4.1 mini: 31.8 (#275)
- Yi-Lightning: 39.4 (#181)

| Benchmark | GPT-4.1 mini | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1344 | 1297 |
| Fiction.LiveBench | 44.4% | — |

## Writing & Preference

- GPT-4.1 mini: 48.6 (#199)
- Yi-Lightning: 50.2 (#184)

| Benchmark | GPT-4.1 mini | Yi-Lightning |
|---|---|---|
| LMArena Text | 1340 | 1302 |
| LMArena Creative Writing | 1300 | 1280 |
| LMArena Multi-Turn | 1354 | 1311 |
| EQ-Bench Creative Writing | 1147 | — |
| WildBench | 83.8% | — |

## FAQ

### Is GPT-4.1 mini better than Yi-Lightning?

Yi-Lightning is the stronger model overall, scoring 37.1 to 33.6 on the Noometry Index.

### Is GPT-4.1 mini or Yi-Lightning better for coding?

GPT-4.1 mini scores higher on coding benchmarks: 30.6 versus 27.4 in the Noometry coding category.

### How many benchmarks do GPT-4.1 mini and Yi-Lightning share?

18 benchmarks have published results for both models. GPT-4.1 mini has 47 scored results on Noometry and Yi-Lightning has 18.