# GPT-6.1 Sol vs Yi 6B

> GPT-6.1 Sol has enough public results to be ranked (#6); Yi 6B does not yet, so treat this comparison as directional.

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

## Summary

- They share 1 benchmark with published results for both.
- Yi 6B has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-6.1 Sol | Yi 6B |
|---|---|---|
| Provider | OpenAI | 01.AI |
| Noometry Index | 65.6 | — |
| Rank | 6 | — |
| Context | 1.05M | — |
| Input $/M | $2 | — |
| Output $/M | $10 | — |
| Weights | Proprietary | Open |

## Coding

- GPT-6.1 Sol: 63.2 (#8)
- Yi 6B: —

| Benchmark | GPT-6.1 Sol | Yi 6B |
|---|---|---|
| DeepSWE | 75.2% | — |
| FrontierCode | 50.2% | — |
| LMArena WebDev | 1755 | — |
| SciCode | 55.8% | — |
| LMArena Coding | 1487 | — |

## Agentic & Tool Use

- GPT-6.1 Sol: 39.6 (#26)
- Yi 6B: —

| Benchmark | GPT-6.1 Sol | Yi 6B |
|---|---|---|
| APEX-Agents | 60% | — |
| GDP.pdf | 32% | — |

## Reasoning

- GPT-6.1 Sol: 81.9 (#2)
- Yi 6B: —

| Benchmark | GPT-6.1 Sol | Yi 6B |
|---|---|---|
| Epoch Capabilities Index | 166.09 | 104.77 |
| ARC-AGI-2 | 94.2% | — |
| NYT Connections (extended) | 95.5% | — |
| ARC-AGI-1 | 98.5% | — |
| CritPt | 31.7% | — |
| Chess Puzzles | 61% | — |
| EBR-Bench | 54.3% | — |
| LMArena Hard Prompts | 1466 | — |
| Mystery Game Puzzles | 80% | — |
| BIG-Bench Hard | — | 47.2% |
| HellaSwag | — | 74.4% |
| WinoGrande | — | 71.3% |

## Math

- GPT-6.1 Sol: 93.7 (#1)
- Yi 6B: —

| Benchmark | GPT-6.1 Sol | Yi 6B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 93.7% | — |
| FrontierMath Tier 4 | 100% | — |
| OTIS Mock AIME 2024-2025 | 100% | — |
| ProofBench | 99% | — |
| LMArena Math | 1464 | — |
| GSM8K | — | 44.9% |

## Knowledge

- GPT-6.1 Sol: 71.8 (#4)
- Yi 6B: —

| Benchmark | GPT-6.1 Sol | Yi 6B |
|---|---|---|
| GPQA Diamond | 95.4% | — |
| SimpleQA Verified | 73.9% | — |
| LMArena Expert | 1502 | — |
| ARC (AI2) Challenge | — | 50.3% |
| MMLU | — | 64% |

## Multimodal

- GPT-6.1 Sol: 52.7 (#5)
- Yi 6B: —

| Benchmark | GPT-6.1 Sol | Yi 6B |
|---|---|---|
| LMArena Vision | 1288 | — |
| Furniture Assembly | 80% | — |

## Multilingual

- GPT-6.1 Sol: 54.3 (#46)
- Yi 6B: —

| Benchmark | GPT-6.1 Sol | Yi 6B |
|---|---|---|
| LMArena Non-English | 1438 | — |
| LMArena Chinese | 1477 | — |
| LMArena Russian | 1455 | — |

## Instruction Following

- GPT-6.1 Sol: 77.0 (#29)
- Yi 6B: —

| Benchmark | GPT-6.1 Sol | Yi 6B |
|---|---|---|
| LMArena Instruction Following | 1468 | — |

## Long Context

- GPT-6.1 Sol: 44.9 (#54)
- Yi 6B: —

| Benchmark | GPT-6.1 Sol | Yi 6B |
|---|---|---|
| LMArena Longer Query | 1465 | — |

## Writing & Preference

- GPT-6.1 Sol: 63.6 (#63)
- Yi 6B: —

| Benchmark | GPT-6.1 Sol | Yi 6B |
|---|---|---|
| LMArena Text | 1447 | — |
| LMArena Creative Writing | 1432 | — |
| LMArena Multi-Turn | 1449 | — |

## FAQ

### Is GPT-6.1 Sol better than Yi 6B?

GPT-6.1 Sol has enough public results to be ranked (#6); Yi 6B does not yet, so treat this comparison as directional.

### How many benchmarks do GPT-6.1 Sol and Yi 6B share?

1 benchmark has published results for both models. GPT-6.1 Sol has 34 scored results on Noometry and Yi 6B has 7.