# GPT-6.1 Sol vs MiMo-V2.5-Pro

> MiMo-V2.5-Pro has enough public results to be ranked (#70); GPT-6.1 Sol does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/gpt-6-1-sol-vs-mimo-v2-5-pro
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in coding, where GPT-6.1 Sol leads 51.4 to 47.0.
- MiMo-V2.5-Pro is cheaper at $0.43 / $0.87 per million input/output tokens, against $2 / $10 for GPT-6.1 Sol.
- GPT-6.1 Sol accepts more context: 1.05M tokens versus 1.05M.
- MiMo-V2.5-Pro has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-6.1 Sol | MiMo-V2.5-Pro |
|---|---|---|
| Provider | OpenAI | Xiaomi |
| Noometry Index | 42.1 | 44.8 |
| Rank | — | 70 |
| Context | 1.05M | 1.05M |
| Input $/M | $2 | $0.43 |
| Output $/M | $10 | $0.87 |
| Weights | Proprietary | Open |

## Coding

- GPT-6.1 Sol: 51.4
- MiMo-V2.5-Pro: 47.0 (#58)

| Benchmark | GPT-6.1 Sol | MiMo-V2.5-Pro |
|---|---|---|
| DeepSWE | 75.2% | — |
| LMArena WebDev | — | 1477 |
| SciCode | — | 50.2% |
| LMArena Coding | — | 1502 |
| ALE-Bench | — | 899.8 |

## Agentic & Tool Use

- GPT-6.1 Sol: 34.3
- MiMo-V2.5-Pro: —

| Benchmark | GPT-6.1 Sol | MiMo-V2.5-Pro |
|---|---|---|
| GDP.pdf | 32% | — |

## Reasoning

- GPT-6.1 Sol: —
- MiMo-V2.5-Pro: 25.9 (#124)

| Benchmark | GPT-6.1 Sol | MiMo-V2.5-Pro |
|---|---|---|
| NYT Connections (extended) | — | 34.4% |
| CritPt | — | 4% |
| LMArena Hard Prompts | — | 1487 |
| DTBench | — | 84.5% |
| LMCA | — | 29.5% |

## Math

- GPT-6.1 Sol: —
- MiMo-V2.5-Pro: 38.6 (#84)

| Benchmark | GPT-6.1 Sol | MiMo-V2.5-Pro |
|---|---|---|
| ProofBench | — | 22% |
| LMArena Math | — | 1480 |

## Knowledge

- GPT-6.1 Sol: —
- MiMo-V2.5-Pro: 41.5 (#100)

| Benchmark | GPT-6.1 Sol | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Expert | — | 1501 |

## Multilingual

- GPT-6.1 Sol: —
- MiMo-V2.5-Pro: 55.3 (#33)

| Benchmark | GPT-6.1 Sol | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Non-English | — | 1449 |
| LMArena Chinese | — | 1507 |
| LMArena French | — | 1489 |
| LMArena German | — | 1455 |
| LMArena Japanese | — | 1418 |
| LMArena Korean | — | 1436 |
| LMArena Russian | — | 1450 |
| LMArena Spanish | — | 1470 |

## Instruction Following

- GPT-6.1 Sol: —
- MiMo-V2.5-Pro: 77.6 (#21)

| Benchmark | GPT-6.1 Sol | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Instruction Following | — | 1477 |

## Long Context

- GPT-6.1 Sol: —
- MiMo-V2.5-Pro: 45.4 (#38)

| Benchmark | GPT-6.1 Sol | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Longer Query | — | 1482 |

## Writing & Preference

- GPT-6.1 Sol: —
- MiMo-V2.5-Pro: 65.5 (#47)

| Benchmark | GPT-6.1 Sol | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Text | — | 1465 |
| LMArena Creative Writing | — | 1440 |
| EQ-Bench Creative Writing | — | 1493 |
| EQ-Bench 4 | — | 1208 |
| LMArena Multi-Turn | — | 1477 |

## FAQ

### Is GPT-6.1 Sol better than MiMo-V2.5-Pro?

MiMo-V2.5-Pro has enough public results to be ranked (#70); GPT-6.1 Sol does not yet, so treat this comparison as directional.

### Which is cheaper, GPT-6.1 Sol or MiMo-V2.5-Pro?

MiMo-V2.5-Pro is cheaper. It lists at $0.43 per million input tokens and $0.87 per million output tokens; GPT-6.1 Sol lists at $2 and $10.

### Is GPT-6.1 Sol or MiMo-V2.5-Pro better for coding?

GPT-6.1 Sol scores higher on coding benchmarks: 51.4 versus 47.0 in the Noometry coding category.

### Which has the bigger context window?

GPT-6.1 Sol does, with 1.05M tokens against 1.05M.

### How many benchmarks do GPT-6.1 Sol and MiMo-V2.5-Pro share?

0 benchmarks have published results for both models. GPT-6.1 Sol has 2 scored results on Noometry and MiMo-V2.5-Pro has 27.