# GPT-6.1 Sol vs Magistral Small

> GPT-6.1 Sol is the stronger model overall, scoring 65.6 to 30.2 on the Noometry Index. Magistral Small costs 5.3× less per token, which makes it the better buy when GPT-6.1 Sol's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gpt-6-1-sol-vs-magistral-small
- Last updated: 2026-10-12
- Shared benchmarks: 8

## Summary

- They share 8 benchmarks with published results for both. GPT-6.1 Sol scores higher in 4 categories and Magistral Small in 0 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-6.1 Sol leads 81.9 to 6.8.
- The biggest single-benchmark swing is ARC-AGI-2: 94.2% for GPT-6.1 Sol and 0% for Magistral Small.
- Magistral Small is cheaper at $0.50 / $1.50 per million input/output tokens, against $2 / $10 for GPT-6.1 Sol.
- GPT-6.1 Sol accepts more context: 1.05M tokens versus 128K.
- Magistral Small has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-6.1 Sol | Magistral Small |
|---|---|---|
| Provider | OpenAI | Mistral AI |
| Noometry Index | 65.6 | 30.2 |
| Rank | 6 | 296 |
| Context | 1.05M | 128K |
| Input $/M | $2 | $0.50 |
| Output $/M | $10 | $1.50 |
| Weights | Proprietary | Open |

## Coding

- GPT-6.1 Sol: 63.2 (#8)
- Magistral Small: 38.4 (#176)

| Benchmark | GPT-6.1 Sol | Magistral Small |
|---|---|---|
| SciCode | 55.8% | 35.2% |
| DeepSWE | 75.2% | — |
| FrontierCode | 50.2% | — |
| LMArena WebDev | 1755 | — |
| LMArena Coding | 1487 | — |

## Agentic & Tool Use

- GPT-6.1 Sol: 39.6 (#26)
- Magistral Small: —

| Benchmark | GPT-6.1 Sol | Magistral Small |
|---|---|---|
| APEX-Agents | 60% | — |
| GDP.pdf | 32% | — |

## Reasoning

- GPT-6.1 Sol: 81.9 (#2)
- Magistral Small: 6.8 (#350)

| Benchmark | GPT-6.1 Sol | Magistral Small |
|---|---|---|
| ARC-AGI-2 | 94.2% | 0% |
| ARC-AGI-1 | 98.5% | 5% |
| CritPt | 31.7% | 0.3% |
| Chess Puzzles | 61% | 3% |
| Epoch Capabilities Index | 166.09 | 133.19 |
| Kagi LLM Benchmark | — | 6.3% |
| NYT Connections (extended) | 95.5% | — |
| EBR-Bench | 54.3% | — |
| LMArena Hard Prompts | 1466 | — |
| Mystery Game Puzzles | 80% | — |
| DTBench | — | 61.3% |

## Math

- GPT-6.1 Sol: 93.7 (#1)
- Magistral Small: 26.2 (#261)

| Benchmark | GPT-6.1 Sol | Magistral Small |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 100% | 30% |
| FrontierMath (Tiers 1-3) | 93.7% | — |
| FrontierMath Tier 4 | 100% | — |
| ProofBench | 99% | — |
| LMArena Math | 1464 | — |

## Knowledge

- GPT-6.1 Sol: 71.8 (#4)
- Magistral Small: 30.9 (#223)

| Benchmark | GPT-6.1 Sol | Magistral Small |
|---|---|---|
| GPQA Diamond | 95.4% | 56.1% |
| SimpleQA Verified | 73.9% | — |
| LMArena Expert | 1502 | — |

## Multimodal

- GPT-6.1 Sol: 52.7 (#5)
- Magistral Small: —

| Benchmark | GPT-6.1 Sol | Magistral Small |
|---|---|---|
| LMArena Vision | 1288 | — |
| Furniture Assembly | 80% | — |

## Multilingual

- GPT-6.1 Sol: 54.3 (#46)
- Magistral Small: —

| Benchmark | GPT-6.1 Sol | Magistral Small |
|---|---|---|
| LMArena Non-English | 1438 | — |
| LMArena Chinese | 1477 | — |
| LMArena Russian | 1455 | — |

## Instruction Following

- GPT-6.1 Sol: 77.0 (#29)
- Magistral Small: —

| Benchmark | GPT-6.1 Sol | Magistral Small |
|---|---|---|
| LMArena Instruction Following | 1468 | — |

## Long Context

- GPT-6.1 Sol: 44.9 (#54)
- Magistral Small: —

| Benchmark | GPT-6.1 Sol | Magistral Small |
|---|---|---|
| LMArena Longer Query | 1465 | — |

## Writing & Preference

- GPT-6.1 Sol: 63.6 (#63)
- Magistral Small: —

| Benchmark | GPT-6.1 Sol | Magistral Small |
|---|---|---|
| LMArena Text | 1447 | — |
| LMArena Creative Writing | 1432 | — |
| LMArena Multi-Turn | 1449 | — |

## FAQ

### Is GPT-6.1 Sol better than Magistral Small?

GPT-6.1 Sol is the stronger model overall, scoring 65.6 to 30.2 on the Noometry Index. Magistral Small costs 5.3× less per token, which makes it the better buy when GPT-6.1 Sol's lead doesn't matter for your workload.

### Which is cheaper, GPT-6.1 Sol or Magistral Small?

Magistral Small is cheaper. It lists at $0.50 per million input tokens and $1.50 per million output tokens; GPT-6.1 Sol lists at $2 and $10.

### Is GPT-6.1 Sol or Magistral Small better for coding?

GPT-6.1 Sol scores higher on coding benchmarks: 63.2 versus 38.4 in the Noometry coding category.

### Which has the bigger context window?

GPT-6.1 Sol does, with 1.05M tokens against 128K.

### How many benchmarks do GPT-6.1 Sol and Magistral Small share?

8 benchmarks have published results for both models. GPT-6.1 Sol has 34 scored results on Noometry and Magistral Small has 10.