# GPT-5.4 mini vs Trinity Large Thinking

> GPT-5.4 mini is the stronger model overall, scoring 44.8 to 38.1 on the Noometry Index. Trinity Large Thinking costs 4.4× less per token, which makes it the better buy when GPT-5.4 mini's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gpt-5-4-mini-vs-trinity-large-thinking
- Last updated: 2026-10-10
- Shared benchmarks: 23

## Summary

- They share 23 benchmarks with published results for both. GPT-5.4 mini scores higher in 8 categories and Trinity Large Thinking in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-5.4 mini leads 30.3 to 16.3.
- The biggest single-benchmark swing is NYT Connections (extended): 61.8% for GPT-5.4 mini and 16.5% for Trinity Large Thinking.
- Trinity Large Thinking is cheaper at $0.25 / $0.80 per million input/output tokens, against $0.75 / $4.50 for GPT-5.4 mini.
- GPT-5.4 mini accepts more context: 400K tokens versus 262K.
- Trinity Large Thinking has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5.4 mini | Trinity Large Thinking |
|---|---|---|
| Provider | OpenAI | Arcee AI |
| Noometry Index | 44.8 | 38.1 |
| Rank | 69 | 180 |
| Context | 400K | 262K |
| Input $/M | $0.75 | $0.25 |
| Output $/M | $4.50 | $0.80 |
| Weights | Proprietary | Open |

## Coding

- GPT-5.4 mini: 45.0 (#67)
- Trinity Large Thinking: 33.8 (#238)

| Benchmark | GPT-5.4 mini | Trinity Large Thinking |
|---|---|---|
| LMArena WebDev | 1397 | 1238 |
| SciCode | 49.9% | 36.1% |
| LMArena Coding | 1438 | 1381 |
| FrontierCode | 27% | — |
| WeirdML | 60.3% | — |
| ALE-Bench | 1,189 | — |

## Agentic & Tool Use

- GPT-5.4 mini: 29.6 (#74)
- Trinity Large Thinking: —

| Benchmark | GPT-5.4 mini | Trinity Large Thinking |
|---|---|---|
| DeepResearch Bench | 36.3% | — |

## Reasoning

- GPT-5.4 mini: 30.3 (#77)
- Trinity Large Thinking: 16.3 (#298)

| Benchmark | GPT-5.4 mini | Trinity Large Thinking |
|---|---|---|
| NYT Connections (extended) | 61.8% | 16.5% |
| CritPt | 10% | 0.9% |
| Thematic Generalization | 61.7% | 41.6% |
| LMArena Hard Prompts | 1424 | 1350 |
| ARC-AGI-2 | 18.9% | — |
| Kagi LLM Benchmark | 37.9% | — |
| ARC-AGI-1 | 63.7% | — |
| Chess Puzzles | 24% | — |
| Mystery Game Puzzles | 11% | — |
| DTBench | 80% | — |
| LMCA | 40.8% | — |
| Surface Evolver Bench | — | 15.6% |
| Epoch Capabilities Index | 148.83 | — |
| ForecastBench | 57 | — |

## Math

- GPT-5.4 mini: 45.4 (#63)
- Trinity Large Thinking: 34.9 (#149)

| Benchmark | GPT-5.4 mini | Trinity Large Thinking |
|---|---|---|
| LMArena Math | 1418 | 1366 |
| FrontierMath (Tiers 1-3) | 51.2% | — |
| FrontierMath Tier 4 | 9.8% | — |
| OTIS Mock AIME 2024-2025 | 88.9% | — |
| ProofBench | 21% | — |
| FrontierMath (Feb 2025 set) | 28.3% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |

## Knowledge

- GPT-5.4 mini: 51.4 (#62)
- Trinity Large Thinking: 40.3 (#107)

| Benchmark | GPT-5.4 mini | Trinity Large Thinking |
|---|---|---|
| Vectara Hallucination Rate | 5.5% | 6.9% |
| LMArena Expert | 1434 | 1359 |
| GPQA Diamond | 86.9% | — |
| SimpleQA Verified | 29.4% | — |

## Multimodal

- GPT-5.4 mini: 39.0 (#51)
- Trinity Large Thinking: —

| Benchmark | GPT-5.4 mini | Trinity Large Thinking |
|---|---|---|
| LMArena Vision | 1245 | — |

## Multilingual

- GPT-5.4 mini: 52.1 (#94)
- Trinity Large Thinking: 46.4 (#155)

| Benchmark | GPT-5.4 mini | Trinity Large Thinking |
|---|---|---|
| LMArena Non-English | 1405 | 1325 |
| LMArena Chinese | 1446 | 1372 |
| LMArena French | 1440 | 1374 |
| LMArena German | 1407 | 1356 |
| LMArena Japanese | 1375 | 1312 |
| LMArena Korean | 1369 | 1304 |
| LMArena Russian | 1417 | 1338 |
| LMArena Spanish | 1403 | 1356 |

## Instruction Following

- GPT-5.4 mini: 74.3 (#99)
- Trinity Large Thinking: 70.7 (#157)

| Benchmark | GPT-5.4 mini | Trinity Large Thinking |
|---|---|---|
| LMArena Instruction Following | 1405 | 1334 |

## Long Context

- GPT-5.4 mini: 42.9 (#107)
- Trinity Large Thinking: 41.2 (#139)

| Benchmark | GPT-5.4 mini | Trinity Large Thinking |
|---|---|---|
| LMArena Longer Query | 1407 | 1355 |

## Writing & Preference

- GPT-5.4 mini: 64.2 (#56)
- Trinity Large Thinking: 54.0 (#152)

| Benchmark | GPT-5.4 mini | Trinity Large Thinking |
|---|---|---|
| LMArena Text | 1411 | 1340 |
| LMArena Creative Writing | 1370 | 1321 |
| LMArena Multi-Turn | 1429 | 1342 |
| EQ-Bench Creative Writing | 1665 | — |

## FAQ

### Is GPT-5.4 mini better than Trinity Large Thinking?

GPT-5.4 mini is the stronger model overall, scoring 44.8 to 38.1 on the Noometry Index. Trinity Large Thinking costs 4.4× less per token, which makes it the better buy when GPT-5.4 mini's lead doesn't matter for your workload.

### Which is cheaper, GPT-5.4 mini 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; GPT-5.4 mini lists at $0.75 and $4.50.

### Is GPT-5.4 mini or Trinity Large Thinking better for coding?

GPT-5.4 mini scores higher on coding benchmarks: 45.0 versus 33.8 in the Noometry coding category.

### Which has the bigger context window?

GPT-5.4 mini does, with 400K tokens against 262K.

### How many benchmarks do GPT-5.4 mini and Trinity Large Thinking share?

23 benchmarks have published results for both models. GPT-5.4 mini has 46 scored results on Noometry and Trinity Large Thinking has 24.