# Chatgpt 4o Latest 20250326 vs MiMo-V2.6-Pro

> MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 43.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/chatgpt-4o-vs-mimo-v2-6-pro
- Last updated: 2026-10-10
- Shared benchmarks: 13

## Summary

- They share 13 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 0 categories and MiMo-V2.6-Pro in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where MiMo-V2.6-Pro leads 54.5 to 38.6.
- MiMo-V2.6-Pro has downloadable open weights; the other is API-only.

## Snapshot

| | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| Provider | OpenAI | Xiaomi |
| Noometry Index | 43.8 | 50.3 |
| Rank | 82 | 49 |
| Context | — | 1.05M |
| Input $/M | — | $0.43 |
| Output $/M | — | $0.87 |
| Weights | Proprietary | Open |

## Coding

- Chatgpt 4o Latest 20250326: 41.6 (#122)
- MiMo-V2.6-Pro: 55.5 (#23)

| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Coding | 1413 | 1534 |
| LMArena WebDev | — | 1629 |
| SciCode | — | 60.9% |
| ALE-Bench | — | 1,158 |

## Agentic & Tool Use

- Chatgpt 4o Latest 20250326: —
- MiMo-V2.6-Pro: 37.5 (#35)

| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| APEX-Agents | — | 59.5% |

## Reasoning

- Chatgpt 4o Latest 20250326: 33.8 (#71)
- MiMo-V2.6-Pro: 43.1 (#50)

| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Hard Prompts | 1424 | 1512 |
| Kagi LLM Benchmark | 75% | — |
| CritPt | — | 26.6% |

## Math

- Chatgpt 4o Latest 20250326: 38.6 (#134)
- MiMo-V2.6-Pro: 54.5 (#45)

| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Math | 1407 | 1494 |
| ProofBench | — | 70% |

## Knowledge

- Chatgpt 4o Latest 20250326: 39.2 (#137)
- MiMo-V2.6-Pro: 43.5 (#92)

| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Expert | 1401 | 1543 |
| Confabulations | 16.6% | — |

## Multimodal

- Chatgpt 4o Latest 20250326: 39.6 (#58)
- MiMo-V2.6-Pro: 40.8 (#43)

| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Vision | 1243 | 1264 |

## Multilingual

- Chatgpt 4o Latest 20250326: 52.9 (#76)
- MiMo-V2.6-Pro: 56.9 (#14)

| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Non-English | 1419 | 1474 |
| LMArena Chinese | 1457 | 1529 |
| LMArena Russian | 1429 | 1480 |
| LMArena French | 1446 | — |
| LMArena German | 1423 | — |
| LMArena Japanese | 1405 | — |
| LMArena Korean | 1396 | — |
| LMArena Spanish | 1434 | — |

## Instruction Following

- Chatgpt 4o Latest 20250326: 74.0 (#107)
- MiMo-V2.6-Pro: 78.2 (#12)

| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Instruction Following | 1403 | 1493 |

## Long Context

- Chatgpt 4o Latest 20250326: 43.1 (#107)
- MiMo-V2.6-Pro: 46.0 (#27)

| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Longer Query | 1413 | 1501 |

## Writing & Preference

- Chatgpt 4o Latest 20250326: 62.6 (#72)
- MiMo-V2.6-Pro: 66.8 (#33)

| Benchmark | Chatgpt 4o Latest 20250326 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Text | 1429 | 1492 |
| LMArena Creative Writing | 1405 | 1468 |
| LMArena Multi-Turn | 1454 | 1464 |
| EQ-Bench Creative Writing | 1501 | — |

## FAQ

### Is Chatgpt 4o Latest 20250326 better than MiMo-V2.6-Pro?

MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 43.8 on the Noometry Index.

### Is Chatgpt 4o Latest 20250326 or MiMo-V2.6-Pro better for coding?

MiMo-V2.6-Pro scores higher on coding benchmarks: 55.5 versus 41.6 in the Noometry coding category.

### How many benchmarks do Chatgpt 4o Latest 20250326 and MiMo-V2.6-Pro share?

13 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and MiMo-V2.6-Pro has 19.