Model comparison

GPT-5 Pro vs Trinity Large Thinking

GPT-5 Pro is the stronger model overall, scoring 46.4 to 38.6 on the Noometry Index. Trinity Large Thinking costs 106× less per token, which makes it the better buy when GPT-5 Pro's lead doesn't matter for your workload.

Last verified . 0 shared benchmarks.

GPT-5 Pro OpenAI

46.4

Rank #64 Confirmed

Trinity Large Thinking Arcee AI

38.6

Rank #185 Confirmed

Summary

  • The widest gap is in reasoning, where GPT-5 Pro leads 38.9 to 16.9.
  • Trinity Large Thinking is cheaper at $0.25 / $0.80 per million input/output tokens, against $15 / $120 for GPT-5 Pro.
  • GPT-5 Pro accepts more context: 400K tokens versus 262K.
  • Trinity Large Thinking has downloadable open weights; the other is API-only.

Side by side

GPT-5 Pro and Trinity Large Thinking specifications
GPT-5 ProTrinity Large Thinking
ProviderOpenAIArcee AI
Noometry Index46.438.6
Released2025-10-062026-04-01
WeightsProprietaryOpen
Context window400K262K
Max output272K80K
Input $ / M tokens$15$0.25
Output $ / M tokens$120$0.80
Results tracked1224

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Category by category

Coding GPT-5 Pro leads

GPT-5 Pro: 44.0 (#80), Trinity Large Thinking: 34.1 (#244)

Coding benchmarks
BenchmarkGPT-5 ProTrinity Large Thinking
LMArena WebDev—1238
SciCode—36.1%
WeirdML60.4%—
LMArena Coding—1381
AlgoTune1.31—

Reasoning GPT-5 Pro leads

GPT-5 Pro: 38.9 (#62), Trinity Large Thinking: 16.9 (#298)

Reasoning benchmarks
BenchmarkGPT-5 ProTrinity Large Thinking
ARC-AGI-218.3%—
SimpleBench61.6%—
Kagi LLM Benchmark76.8%—
NYT Connections (extended)—16.5%
ARC-AGI-170.2%—
CritPt—0.9%
EnigmaEval18.8%—
Thematic Generalization—41.6%
LMArena Hard Prompts—1350
Surface Evolver Bench—15.6%
Epoch Capabilities Index150.28—

Math GPT-5 Pro leads

GPT-5 Pro: 48.5 (#63), Trinity Large Thinking: 37.6 (#149)

Math benchmarks
BenchmarkGPT-5 ProTrinity Large Thinking
FrontierMath (Tiers 1-3)55.8%—
FrontierMath Tier 419.5%—
LMArena Math—1366
FrontierMath Tier 4 (v1)14.6%—

Knowledge GPT-5 Pro leads

GPT-5 Pro: 56.7 (#42), Trinity Large Thinking: 40.9 (#113)

Knowledge benchmarks
BenchmarkGPT-5 ProTrinity Large Thinking
Humanity's Last Exam31.6%—
Vectara Hallucination Rate—6.9%
LMArena Expert—1360

Multilingual Not comparable

GPT-5 Pro: —, Trinity Large Thinking: 46.2 (#160)

Multilingual benchmarks
BenchmarkGPT-5 ProTrinity Large Thinking
LMArena Non-English—1325
LMArena Chinese—1373
LMArena French—1374
LMArena German—1356
LMArena Japanese—1311
LMArena Korean—1306
LMArena Russian—1337
LMArena Spanish—1357

Instruction Following Not comparable

GPT-5 Pro: —, Trinity Large Thinking: 70.5 (#162)

Instruction Following benchmarks
BenchmarkGPT-5 ProTrinity Large Thinking
LMArena Instruction Following—1334

Long Context Not comparable

GPT-5 Pro: —, Trinity Large Thinking: 41.3 (#144)

Long Context benchmarks
BenchmarkGPT-5 ProTrinity Large Thinking
LMArena Longer Query—1355

Writing & Preference Not comparable

GPT-5 Pro: —, Trinity Large Thinking: 53.8 (#158)

Writing & Preference benchmarks
BenchmarkGPT-5 ProTrinity Large Thinking
LMArena Text—1340
LMArena Creative Writing—1320
LMArena Multi-Turn—1342

Frequently asked questions

Is GPT-5 Pro better than Trinity Large Thinking?

GPT-5 Pro is the stronger model overall, scoring 46.4 to 38.6 on the Noometry Index. Trinity Large Thinking costs 106× less per token, which makes it the better buy when GPT-5 Pro's lead doesn't matter for your workload.

Which is cheaper, GPT-5 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 Pro lists at $15 and $120.

Is GPT-5 Pro or Trinity Large Thinking better for coding?

GPT-5 Pro scores higher on coding benchmarks: 44.0 versus 34.1 in the Noometry coding category.

Which has the bigger context window?

GPT-5 Pro does, with 400K tokens against 262K.

How many benchmarks do GPT-5 Pro and Trinity Large Thinking share?

0 benchmarks have published results for both models. GPT-5 Pro has 12 scored results on Noometry and Trinity Large Thinking has 24.

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