# Mistral Medium 3.1 vs Trinity Large Thinking

> Trinity Large Thinking is the stronger model overall, scoring 38.1 to 31.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mistral-medium-3-1-vs-trinity-large-thinking
- Last updated: 2026-10-10
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. Mistral Medium 3.1 scores higher in 1 category and Trinity Large Thinking in 1 category; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Trinity Large Thinking leads 16.3 to 10.1.
- The biggest single-benchmark swing is Thematic Generalization: 20.3% for Mistral Medium 3.1 and 41.6% for Trinity Large Thinking.
- Trinity Large Thinking is cheaper at $0.25 / $0.80 per million input/output tokens, against $0.40 / $2 for Mistral Medium 3.1.
- Trinity Large Thinking accepts more context: 262K tokens versus 131K.
- Trinity Large Thinking has downloadable open weights; the other is API-only.

## Snapshot

| | Mistral Medium 3.1 | Trinity Large Thinking |
|---|---|---|
| Provider | Mistral AI | Arcee AI |
| Noometry Index | 31.5 | 38.1 |
| Rank | 260 | 180 |
| Context | 131K | 262K |
| Input $/M | $0.40 | $0.25 |
| Output $/M | $2 | $0.80 |
| Weights | Proprietary | Open |

## Coding

- Mistral Medium 3.1: —
- Trinity Large Thinking: 33.8 (#238)

| Benchmark | Mistral Medium 3.1 | Trinity Large Thinking |
|---|---|---|
| LMArena WebDev | — | 1238 |
| SciCode | — | 36.1% |
| LMArena Coding | — | 1381 |

## Reasoning

- Mistral Medium 3.1: 10.1 (#336)
- Trinity Large Thinking: 16.3 (#298)

| Benchmark | Mistral Medium 3.1 | Trinity Large Thinking |
|---|---|---|
| NYT Connections (extended) | 6.5% | 16.5% |
| Thematic Generalization | 20.3% | 41.6% |
| CritPt | — | 0.9% |
| LMArena Hard Prompts | — | 1350 |
| Surface Evolver Bench | — | 15.6% |

## Math

- Mistral Medium 3.1: —
- Trinity Large Thinking: 34.9 (#149)

| Benchmark | Mistral Medium 3.1 | Trinity Large Thinking |
|---|---|---|
| LMArena Math | — | 1366 |

## Knowledge

- Mistral Medium 3.1: —
- Trinity Large Thinking: 40.3 (#107)

| Benchmark | Mistral Medium 3.1 | Trinity Large Thinking |
|---|---|---|
| Vectara Hallucination Rate | — | 6.9% |
| LMArena Expert | — | 1359 |

## Multilingual

- Mistral Medium 3.1: —
- Trinity Large Thinking: 46.4 (#155)

| Benchmark | Mistral Medium 3.1 | Trinity Large Thinking |
|---|---|---|
| LMArena Non-English | — | 1325 |
| LMArena Chinese | — | 1372 |
| LMArena French | — | 1374 |
| LMArena German | — | 1356 |
| LMArena Japanese | — | 1312 |
| LMArena Korean | — | 1304 |
| LMArena Russian | — | 1338 |
| LMArena Spanish | — | 1356 |

## Instruction Following

- Mistral Medium 3.1: —
- Trinity Large Thinking: 70.7 (#157)

| Benchmark | Mistral Medium 3.1 | Trinity Large Thinking |
|---|---|---|
| LMArena Instruction Following | — | 1334 |

## Long Context

- Mistral Medium 3.1: —
- Trinity Large Thinking: 41.2 (#139)

| Benchmark | Mistral Medium 3.1 | Trinity Large Thinking |
|---|---|---|
| LMArena Longer Query | — | 1355 |

## Writing & Preference

- Mistral Medium 3.1: 55.6 (#140)
- Trinity Large Thinking: 54.0 (#152)

| Benchmark | Mistral Medium 3.1 | Trinity Large Thinking |
|---|---|---|
| LMArena Text | — | 1340 |
| LMArena Creative Writing | — | 1321 |
| EQ-Bench Creative Writing | 1476 | — |
| LMArena Multi-Turn | — | 1342 |

## FAQ

### Is Mistral Medium 3.1 better than Trinity Large Thinking?

Trinity Large Thinking is the stronger model overall, scoring 38.1 to 31.5 on the Noometry Index.

### Which is cheaper, Mistral Medium 3.1 or Trinity Large Thinking?

Trinity Large Thinking is cheaper. It lists at $0.25 per million input tokens and $0.80 per million output tokens; Mistral Medium 3.1 lists at $0.40 and $2.

### Which has the bigger context window?

Trinity Large Thinking does, with 262K tokens against 131K.

### How many benchmarks do Mistral Medium 3.1 and Trinity Large Thinking share?

2 benchmarks have published results for both models. Mistral Medium 3.1 has 3 scored results on Noometry and Trinity Large Thinking has 24.