# GPT-5.4 nano vs MiMo-V2-Pro

> GPT-5.4 nano and MiMo-V2-Pro score almost the same on the Noometry Index (41.9 vs 42.4), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/gpt-5-4-nano-vs-mimo-v2-pro
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. GPT-5.4 nano scores higher in 4 categories and MiMo-V2-Pro in 4 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2-Pro leads 62.9 to 55.9.
- GPT-5.4 nano is cheaper at $0.20 / $1.25 per million input/output tokens, against $0.43 / $0.87 for MiMo-V2-Pro.
- MiMo-V2-Pro accepts more context: 1.05M tokens versus 400K.

## Snapshot

| | GPT-5.4 nano | MiMo-V2-Pro |
|---|---|---|
| Provider | OpenAI | Xiaomi |
| Noometry Index | 41.9 | 42.4 |
| Rank | 111 | 102 |
| Context | 400K | 1.05M |
| Input $/M | $0.20 | $0.43 |
| Output $/M | $1.25 | $0.87 |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-5.4 nano: 43.1 (#82)
- MiMo-V2-Pro: 43.4 (#76)

| Benchmark | GPT-5.4 nano | MiMo-V2-Pro |
|---|---|---|
| LMArena Coding | 1404 | 1476 |
| ALE-Bench | 1,005 | 785.17 |
| LMArena WebDev | — | 1433 |
| SciCode | 46.9% | — |
| WeirdML | 49.2% | — |

## Reasoning

- GPT-5.4 nano: 23.8 (#159)
- MiMo-V2-Pro: 21.3 (#200)

| Benchmark | GPT-5.4 nano | MiMo-V2-Pro |
|---|---|---|
| LMArena Hard Prompts | 1380 | 1457 |
| ARC-AGI-2 | 5.7% | — |
| Kagi LLM Benchmark | 39.7% | — |
| NYT Connections (extended) | — | 25.8% |
| ARC-AGI-1 | 51.5% | — |
| CritPt | 9.3% | — |
| Chess Puzzles | 30% | — |
| Thematic Generalization | — | 45.9% |
| Mystery Game Puzzles | 9% | — |
| DTBench | 80.3% | — |
| LMCA | 36.9% | — |
| Epoch Capabilities Index | 145.78 | — |
| ForecastBench | 57.3 | — |

## Math

- GPT-5.4 nano: 40.7 (#76)
- MiMo-V2-Pro: 36.7 (#104)

| Benchmark | GPT-5.4 nano | MiMo-V2-Pro |
|---|---|---|
| LMArena Math | 1406 | 1447 |
| FrontierMath (Tiers 1-3) | 44.9% | — |
| FrontierMath Tier 4 | 12.2% | — |
| OTIS Mock AIME 2024-2025 | 87.8% | — |
| ProofBench | 5% | — |
| FrontierMath (Feb 2025 set) | 25.9% | — |
| FrontierMath Tier 4 (v1) | 6.3% | — |

## Knowledge

- GPT-5.4 nano: 41.8 (#94)
- MiMo-V2-Pro: 40.8 (#106)

| Benchmark | GPT-5.4 nano | MiMo-V2-Pro |
|---|---|---|
| LMArena Expert | 1397 | 1479 |
| GPQA Diamond | 78.5% | — |
| SimpleQA Verified | 11.7% | — |
| Vectara Hallucination Rate | 3.1% | — |

## Multimodal

- GPT-5.4 nano: 36.0 (#73)
- MiMo-V2-Pro: —

| Benchmark | GPT-5.4 nano | MiMo-V2-Pro |
|---|---|---|
| LMArena Vision | 1196 | — |

## Multilingual

- GPT-5.4 nano: 48.8 (#136)
- MiMo-V2-Pro: 52.9 (#77)

| Benchmark | GPT-5.4 nano | MiMo-V2-Pro |
|---|---|---|
| LMArena Non-English | 1359 | 1416 |
| LMArena Chinese | 1391 | 1455 |
| LMArena French | 1396 | 1470 |
| LMArena German | 1368 | 1417 |
| LMArena Japanese | 1342 | 1366 |
| LMArena Korean | 1321 | 1401 |
| LMArena Russian | 1363 | 1427 |
| LMArena Spanish | 1368 | 1458 |

## Instruction Following

- GPT-5.4 nano: 72.1 (#139)
- MiMo-V2-Pro: 76.2 (#46)

| Benchmark | GPT-5.4 nano | MiMo-V2-Pro |
|---|---|---|
| LMArena Instruction Following | 1362 | 1444 |

## Long Context

- GPT-5.4 nano: 41.6 (#131)
- MiMo-V2-Pro: 41.5 (#133)

| Benchmark | GPT-5.4 nano | MiMo-V2-Pro |
|---|---|---|
| LMArena Longer Query | 1365 | 1455 |
| CL-bench | — | 15.7% |
| CL-bench Life | — | 6.9% |

## Writing & Preference

- GPT-5.4 nano: 55.9 (#137)
- MiMo-V2-Pro: 62.9 (#67)

| Benchmark | GPT-5.4 nano | MiMo-V2-Pro |
|---|---|---|
| LMArena Text | 1372 | 1436 |
| LMArena Creative Writing | 1313 | 1415 |
| LMArena Multi-Turn | 1382 | 1456 |

## FAQ

### Is GPT-5.4 nano better than MiMo-V2-Pro?

GPT-5.4 nano and MiMo-V2-Pro score almost the same on the Noometry Index (41.9 vs 42.4), so choose on price, context window or the category you care about most.

### Which is cheaper, GPT-5.4 nano or MiMo-V2-Pro?

GPT-5.4 nano is cheaper. It lists at $0.20 per million input tokens and $1.25 per million output tokens; MiMo-V2-Pro lists at $0.43 and $0.87.

### Is GPT-5.4 nano or MiMo-V2-Pro better for coding?

They score almost the same on coding (43.1 vs 43.4); test both on your own repository before choosing.

### Which has the bigger context window?

MiMo-V2-Pro does, with 1.05M tokens against 400K.

### How many benchmarks do GPT-5.4 nano and MiMo-V2-Pro share?

18 benchmarks have published results for both models. GPT-5.4 nano has 40 scored results on Noometry and MiMo-V2-Pro has 23.