# Mistral Medium 3.5 vs Trinity Large Thinking

> Mistral Medium 3.5 is the stronger model overall, scoring 39.6 to 38.1 on the Noometry Index. Trinity Large Thinking costs 7.7× less per token, which makes it the better buy when Mistral Medium 3.5's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/mistral-medium-3-5-vs-trinity-large-thinking
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Mistral Medium 3.5 scores higher in 7 categories and Trinity Large Thinking in 1 category; 7 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where Mistral Medium 3.5 leads 52.1 to 46.4.
- Trinity Large Thinking is cheaper at $0.25 / $0.80 per million input/output tokens, against $1.50 / $7.50 for Mistral Medium 3.5.

## Snapshot

| | Mistral Medium 3.5 | Trinity Large Thinking |
|---|---|---|
| Provider | Mistral AI | Arcee AI |
| Noometry Index | 39.6 | 38.1 |
| Rank | 151 | 180 |
| Context | 262K | 262K |
| Input $/M | $1.50 | $0.25 |
| Output $/M | $7.50 | $0.80 |
| Weights | Open | Open |

## Coding

- Mistral Medium 3.5: 35.7 (#208)
- Trinity Large Thinking: 33.8 (#238)

| Benchmark | Mistral Medium 3.5 | Trinity Large Thinking |
|---|---|---|
| LMArena WebDev | 1263 | 1238 |
| LMArena Coding | 1461 | 1381 |
| SciCode | — | 36.1% |

## Reasoning

- Mistral Medium 3.5: 16.6 (#290)
- Trinity Large Thinking: 16.3 (#298)

| Benchmark | Mistral Medium 3.5 | Trinity Large Thinking |
|---|---|---|
| NYT Connections (extended) | 12.9% | 16.5% |
| LMArena Hard Prompts | 1436 | 1350 |
| Kagi LLM Benchmark | 41.4% | — |
| CritPt | — | 0.9% |
| Thematic Generalization | — | 41.6% |
| Surface Evolver Bench | — | 15.6% |
| Epoch Capabilities Index | 141.42 | — |

## Math

- Mistral Medium 3.5: 36.4 (#113)
- Trinity Large Thinking: 34.9 (#149)

| Benchmark | Mistral Medium 3.5 | Trinity Large Thinking |
|---|---|---|
| LMArena Math | 1432 | 1366 |

## Knowledge

- Mistral Medium 3.5: 39.3 (#123)
- Trinity Large Thinking: 40.3 (#107)

| Benchmark | Mistral Medium 3.5 | Trinity Large Thinking |
|---|---|---|
| LMArena Expert | 1431 | 1359 |
| Vectara Hallucination Rate | — | 6.9% |

## Multimodal

- Mistral Medium 3.5: 37.6 (#64)
- Trinity Large Thinking: —

| Benchmark | Mistral Medium 3.5 | Trinity Large Thinking |
|---|---|---|
| LMArena Vision | 1222 | — |

## Multilingual

- Mistral Medium 3.5: 52.1 (#93)
- Trinity Large Thinking: 46.4 (#155)

| Benchmark | Mistral Medium 3.5 | Trinity Large Thinking |
|---|---|---|
| LMArena Non-English | 1405 | 1325 |
| LMArena Chinese | 1443 | 1372 |
| LMArena French | 1448 | 1374 |
| LMArena German | 1453 | 1356 |
| LMArena Korean | 1387 | 1304 |
| LMArena Russian | 1396 | 1338 |
| LMArena Spanish | 1406 | 1356 |
| LMArena Japanese | — | 1312 |

## Instruction Following

- Mistral Medium 3.5: 74.7 (#87)
- Trinity Large Thinking: 70.7 (#157)

| Benchmark | Mistral Medium 3.5 | Trinity Large Thinking |
|---|---|---|
| LMArena Instruction Following | 1414 | 1334 |

## Long Context

- Mistral Medium 3.5: 43.2 (#101)
- Trinity Large Thinking: 41.2 (#139)

| Benchmark | Mistral Medium 3.5 | Trinity Large Thinking |
|---|---|---|
| LMArena Longer Query | 1414 | 1355 |

## Writing & Preference

- Mistral Medium 3.5: 58.6 (#113)
- Trinity Large Thinking: 54.0 (#152)

| Benchmark | Mistral Medium 3.5 | Trinity Large Thinking |
|---|---|---|
| LMArena Text | 1421 | 1340 |
| LMArena Creative Writing | 1372 | 1321 |
| LMArena Multi-Turn | 1423 | 1342 |
| EQ-Bench 4 | 993 | — |

## FAQ

### Is Mistral Medium 3.5 better than Trinity Large Thinking?

Mistral Medium 3.5 is the stronger model overall, scoring 39.6 to 38.1 on the Noometry Index. Trinity Large Thinking costs 7.7× less per token, which makes it the better buy when Mistral Medium 3.5's lead doesn't matter for your workload.

### Which is cheaper, Mistral Medium 3.5 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 3.5 lists at $1.50 and $7.50.

### Is Mistral Medium 3.5 or Trinity Large Thinking better for coding?

Mistral Medium 3.5 scores higher on coding benchmarks: 35.7 versus 33.8 in the Noometry coding category.

### Which has the bigger context window?

Both accept 262K tokens.

### How many benchmarks do Mistral Medium 3.5 and Trinity Large Thinking share?

18 benchmarks have published results for both models. Mistral Medium 3.5 has 22 scored results on Noometry and Trinity Large Thinking has 24.