# GPT-5.4 Pro vs Trinity Large Thinking

> GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 38.1 on the Noometry Index. Trinity Large Thinking costs 174× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gpt-5-4-pro-vs-trinity-large-thinking
- Last updated: 2026-10-10
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. GPT-5.4 Pro scores higher in 4 categories and Trinity Large Thinking in 0 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-5.4 Pro leads 71.0 to 16.3.
- The biggest single-benchmark swing is CritPt: 30% for GPT-5.4 Pro and 0.9% for Trinity Large Thinking.
- Trinity Large Thinking is cheaper at $0.25 / $0.80 per million input/output tokens, against $30 / $180 for GPT-5.4 Pro.
- GPT-5.4 Pro accepts more context: 1.05M tokens versus 262K.
- Trinity Large Thinking has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5.4 Pro | Trinity Large Thinking |
|---|---|---|
| Provider | OpenAI | Arcee AI |
| Noometry Index | 58.8 | 38.1 |
| Rank | 16 | 180 |
| Context | 1.05M | 262K |
| Input $/M | $30 | $0.25 |
| Output $/M | $180 | $0.80 |
| Weights | Proprietary | Open |

## Coding

- GPT-5.4 Pro: 42.6 (#89)
- Trinity Large Thinking: 33.8 (#238)

| Benchmark | GPT-5.4 Pro | Trinity Large Thinking |
|---|---|---|
| LMArena WebDev | — | 1238 |
| SciCode | — | 36.1% |
| WeirdML | 57.4% | — |
| LMArena Coding | — | 1381 |

## Reasoning

- GPT-5.4 Pro: 71.0 (#10)
- Trinity Large Thinking: 16.3 (#298)

| Benchmark | GPT-5.4 Pro | Trinity Large Thinking |
|---|---|---|
| CritPt | 30% | 0.9% |
| ARC-AGI-2 | 83.3% | — |
| SimpleBench | 74.1% | — |
| NYT Connections (extended) | — | 16.5% |
| ARC-AGI-1 | 94.5% | — |
| Chess Puzzles | 58.6% | — |
| EnigmaEval | 23.8% | — |
| Thematic Generalization | — | 41.6% |
| LMArena Hard Prompts | — | 1350 |
| Surface Evolver Bench | — | 15.6% |
| Epoch Capabilities Index | 159.12 | — |

## Math

- GPT-5.4 Pro: 72.0 (#17)
- Trinity Large Thinking: 34.9 (#149)

| Benchmark | GPT-5.4 Pro | Trinity Large Thinking |
|---|---|---|
| FrontierMath (Tiers 1-3) | 82.5% | — |
| FrontierMath Tier 4 | 58.5% | — |
| LMArena Math | — | 1366 |
| FrontierMath (Feb 2025 set) | 50% | — |
| FrontierMath Tier 4 (v1) | 37.5% | — |

## Knowledge

- GPT-5.4 Pro: 68.3 (#6)
- Trinity Large Thinking: 40.3 (#107)

| Benchmark | GPT-5.4 Pro | Trinity Large Thinking |
|---|---|---|
| Vectara Hallucination Rate | 8.3% | 6.9% |
| GPQA Diamond | 94.6% | — |
| Humanity's Last Exam | 44.3% | — |
| SimpleQA Verified | 46.3% | — |
| LMArena Expert | — | 1359 |

## Multilingual

- GPT-5.4 Pro: —
- Trinity Large Thinking: 46.4 (#155)

| Benchmark | GPT-5.4 Pro | 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

- GPT-5.4 Pro: —
- Trinity Large Thinking: 70.7 (#157)

| Benchmark | GPT-5.4 Pro | Trinity Large Thinking |
|---|---|---|
| LMArena Instruction Following | — | 1334 |

## Long Context

- GPT-5.4 Pro: —
- Trinity Large Thinking: 41.2 (#139)

| Benchmark | GPT-5.4 Pro | Trinity Large Thinking |
|---|---|---|
| LMArena Longer Query | — | 1355 |

## Writing & Preference

- GPT-5.4 Pro: —
- Trinity Large Thinking: 54.0 (#152)

| Benchmark | GPT-5.4 Pro | Trinity Large Thinking |
|---|---|---|
| LMArena Text | — | 1340 |
| LMArena Creative Writing | — | 1321 |
| LMArena Multi-Turn | — | 1342 |

## FAQ

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

GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 38.1 on the Noometry Index. Trinity Large Thinking costs 174× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.

### Which is cheaper, GPT-5.4 Pro 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 Pro lists at $30 and $180.

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

GPT-5.4 Pro scores higher on coding benchmarks: 42.6 versus 33.8 in the Noometry coding category.

### Which has the bigger context window?

GPT-5.4 Pro does, with 1.05M tokens against 262K.

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

2 benchmarks have published results for both models. GPT-5.4 Pro has 16 scored results on Noometry and Trinity Large Thinking has 24.