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Trinity Large Thinking vs o4 Mini

Updated October 21, 2026. 42 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace Trinity Large Thinking Replace o4 Mini
Trinity Large ThinkingArcee AI
Coding
5.4
Overall
10.8
Output $/M
$0.80
20
o4 MiniOpenAI
Coding
68.6
Overall
16.7
Output $/M
$4.40
22
vs boards won of 42 shared

Decision reading

Pick o4 Mini for coding: it scores 68.6 on the Vibe Coding Index against 5.4 for Trinity Large Thinking.

Pick Trinity Large Thinking when output tokens cost 5.5x less, or when the context window is larger, 262K against 200K tokens.

Model ATrinity Large ThinkingArcee AI5.4/1001 independent benchmarkNo cost per solved taskModel Bo4 MiniOpenAI68.6/1002 independent benchmarksNo cost per solved task
Shared results
42
Trinity Large Thinking only
10
o4 Mini only
52
Like-for-like categories
8 of 9

Shared results can support a head-to-head reading. Results only one model has describe coverage, not superiority.

Which one for your work

Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.

At a glance

Coding index
Trinity Large Thinking 5.4 from 1 benchmark, o4 Mini 68.6 from 2 benchmarks.
Widest category
Agentic work, 34.5 points apart on average over 1 shared benchmark.
Widest single gap
τ²-Bench Telecom: Trinity Large Thinking 90.1% against o4 Mini 55.6%, 34.5 points apart on a 0 to 100 scale.
Output price
Trinity Large Thinking $0.80 against o4 Mini $4.40 per million output tokens, 5.5x apart.
Context window
Trinity Large Thinking takes 262K tokens, o4 Mini 200K.

Benchmark by benchmark

First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.

Boards won, where both have a result
CategoryTrinity Large ThinkingBarso4 MiniTies
Coding12
Intelligence01
Agentic work10
Reasoning14
Math02
Knowledge23
Web design60
General910
All shared boards2022
CodingLike-for-likeFour of these boards feed the Vibe Coding Index12
Coding benchmarks for Trinity Large Thinking and o4 Mini
BenchmarkTrinity Large Thinkingo4 MiniLeader
Aider polyglotNot measured72.0%Only o4 Mini measured
SWE-bench VerifiedNot measured64.6%Only o4 Mini measured
SWE-bench MultimodalNot measured33.9%Only o4 Mini measured
LMArena WebDev1238Not measuredOnly Trinity Large Thinking measured
AA Coding Index25.8Not measuredOnly Trinity Large Thinking measured
LiveCodeBench (Vals AI)Not measured82.2%Only o4 Mini measured
LiveCodeBench (Artificial Analysis run)Not measured85.9%Only o4 Mini measured
SciCode40.6%Not measuredOnly Trinity Large Thinking measured
Terminal-Bench Hard (Artificial Analysis run)22.7%15.2%Trinity Large Thinking
GSO-BenchNot measured3.6%Only o4 Mini measured
WeirdMLNot measured52.6%Only o4 Mini measured
LMArena Text: coding13571368o4 Mini
LMArena Text: software and IT13621367o4 Mini
LMArena WebDev: React1231Not measuredOnly Trinity Large Thinking measured
LMArena WebDev: HTML1240Not measuredOnly Trinity Large Thinking measured
Neither model has a result on the other 23 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for Trinity Large Thinking and o4 Mini
BenchmarkTrinity Large Thinkingo4 MiniLeader
AA Intelligence Index10.816.7o4 Mini
Epoch Capabilities IndexNot measured145.5Only o4 Mini measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
Agentic work benchmarks for Trinity Large Thinking and o4 Mini
BenchmarkTrinity Large Thinkingo4 MiniLeader
AA Agentic Index1.0Not measuredOnly Trinity Large Thinking measured
τ²-Bench Telecom90.1%55.6%Trinity Large Thinking
METR time horizonsNot measured63.9%Only o4 Mini measured
Neither model has a result on the other 36 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index14
Reasoning benchmarks for Trinity Large Thinking and o4 Mini
BenchmarkTrinity Large Thinkingo4 MiniLeader
GPQA DiamondNot measured74.5%Only o4 Mini measured
MMMU Pro (Vals AI)Not measured79.7%Only o4 Mini measured
GPQA Diamond (Artificial Analysis run)75.2%78.4%o4 Mini
Humanity's Last Exam (Artificial Analysis run)15.8%16.5%o4 Mini
GPQA Diamond (Epoch AI run)Not measured79.6%Only o4 Mini measured
ARC-AGINot measured58.7%Only o4 Mini measured
ARC-AGI-2Not measured6.1%Only o4 Mini measured
SimpleBenchNot measured38.7%Only o4 Mini measured
Chess puzzlesNot measured22.0%Only o4 Mini measured
Mystery game puzzlesNot measured5.0%Only o4 Mini measured
VPCTNot measured57.5%Only o4 Mini measured
LMArena Text: hard prompts13421351o4 Mini
LMArena Text: expert13591343Trinity Large Thinking
LMArena Text: hard prompts in English13561366o4 Mini
LMArena Vision: diagramsNot measured1197Only o4 Mini measured
LMArena Vision: homeworkNot measured1234Only o4 Mini measured
Neither model has a result on the other 5 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index02
Math benchmarks for Trinity Large Thinking and o4 Mini
BenchmarkTrinity Large Thinkingo4 MiniLeader
AIMENot measured83.7%Only o4 Mini measured
MATH 500 (Vals AI)Not measured94.2%Only o4 Mini measured
MGSM (Vals AI)Not measured93.4%Only o4 Mini measured
AA Math IndexNot measured90.7Only o4 Mini measured
AIME 2025 (Artificial Analysis run)Not measured90.7%Only o4 Mini measured
OTIS Mock AIMENot measured81.7%Only o4 Mini measured
FrontierMath, tiers 1 to 3Not measured36.1%Only o4 Mini measured
FrontierMath, tier 4Not measured4.9%Only o4 Mini measured
MATH level 5Not measured97.8%Only o4 Mini measured
LMArena Text: math13651389o4 Mini
LMArena Text: mathematical work13501379o4 Mini
Neither model has a result on the other 2 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index23
Knowledge benchmarks for Trinity Large Thinking and o4 Mini
BenchmarkTrinity Large Thinkingo4 MiniLeader
MMLU ProNot measured80.6%Only o4 Mini measured
LegalBench (Vals AI)Not measured79.2%Only o4 Mini measured
CaseLaw (Vals AI)57.9%Not measuredOnly Trinity Large Thinking measured
CorpFin (Vals AI)54.7%59.0%o4 Mini
TaxEval (Vals AI)Not measured74.8%Only o4 Mini measured
MortgageTax (Vals AI)Not measured64.8%Only o4 Mini measured
MedQA (Vals AI)Not measured96.0%Only o4 Mini measured
MedCode (Vals AI)Not measured33.8%Only o4 Mini measured
MMLU Pro (Artificial Analysis run)Not measured83.2%Only o4 Mini measured
SimpleQA VerifiedNot measured19.6%Only o4 Mini measured
GeoBenchNot measured64.0%Only o4 Mini measured
LMArena Text: science13551354Trinity Large Thinking
LMArena Text: medicine and healthcare13491361o4 Mini
LMArena Text: legal and government13451350o4 Mini
LMArena Text: business and finance13291325Trinity Large Thinking
Neither model has a result on the other 2 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index60
Web design benchmarks for Trinity Large Thinking and o4 Mini
BenchmarkTrinity Large Thinkingo4 MiniLeader
Design Arena: websites1137985Trinity Large Thinking
Design Arena: UI components1045983Trinity Large Thinking
Design Arena: game dev10791004Trinity Large Thinking
Design Arena: data viz1098990Trinity Large Thinking
Design Arena: 3D1082854Trinity Large Thinking
Design Arena: all code categories1117977Trinity Large Thinking
Design Arena: SVG1016Not measuredOnly Trinity Large Thinking measured
Design Arena: ASCII art1041Not measuredOnly Trinity Large Thinking measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index910
General benchmarks for Trinity Large Thinking and o4 Mini
BenchmarkTrinity Large Thinkingo4 MiniLeader
SAGE (Vals AI)Not measured41.1%Only o4 Mini measured
MedScribe (Vals AI)Not measured69.1%Only o4 Mini measured
IFBench56.3%68.7%o4 Mini
Long context reasoning (AA-LCR)38.0%61.0%o4 Mini
DTBenchNot measured77.6%Only o4 Mini measured
LMCANot measured26.5%Only o4 Mini measured
Fiction.LiveBenchNot measured77.8%Only o4 Mini measured
Creative writing (Lech Mazur)Not measured75.0%Only o4 Mini measured
Surface Evolver Bench15.6%Not measuredOnly Trinity Large Thinking measured
LMArena Text13401353o4 Mini
LMArena Text: instruction following13261320Trinity Large Thinking
LMArena Text: creative writing13081294Trinity Large Thinking
LMArena VisionNot measured1194Only o4 Mini measured
LMArena Text: English13561367o4 Mini
LMArena Text: non-English13251337o4 Mini
LMArena Text: Chinese13711354Trinity Large Thinking
LMArena Text: German13561336Trinity Large Thinking
LMArena Text: Japanese13121308Trinity Large Thinking
LMArena Text: Korean13061312o4 Mini
LMArena Text: French13661364Trinity Large Thinking
LMArena Text: Spanish13271346o4 Mini
LMArena Text: Russian13381334Trinity Large Thinking
LMArena Text: Polish13121358o4 Mini
LMArena Text: multi-turn13201350o4 Mini
LMArena Text: longer queries13181315Trinity Large Thinking
LMArena Text: writing and language13171316Trinity Large Thinking
LMArena Text: entertainment and media12961308o4 Mini
LMArena Vision: EnglishNot measured1200Only o4 Mini measured
LMArena Vision: ChineseNot measured1218Only o4 Mini measured
LMArena Vision: reading textNot measured1197Only o4 Mini measured
LMArena Vision: humorNot measured1199Only o4 Mini measured
LMArena Vision: captioningNot measured1204Only o4 Mini measured
LMArena Vision: recognizing thingsNot measured1218Only o4 Mini measured
LMArena Vision: creative writingNot measured1166Only o4 Mini measured
Neither model has a result on the other 12 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Trinity Large Thinking and o4 Mini
BenchmarkTrinity Large Thinkingo4 MiniLeader
Neither model has a result on 5 boards here

What each workload costs

Three fixed token mixes at each model's listed price, so per-token rates become a bill.

Chat turn

1K input + 500 output tokens

Trinity Large Thinking$0.0006Fits in one request
o4 Mini$0.0033Fits in one request

Trinity Large Thinking costs less

Repository review

50K input + 3K output tokens

Trinity Large Thinking$0.015Fits in one request
o4 Mini$0.068Fits in one request

Trinity Large Thinking costs less

Agent loop

200K input + 10K output tokens

Trinity Large Thinking$0.058Fits in one request
o4 Mini$0.264Exceeds the context window

Trinity Large Thinking costs less

Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.

Specification differences

The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.

Specifications of Trinity Large Thinking and o4 Mini
SpecificationArcee AI Trinity Large ThinkingOpenAI o4 Mini
MakerArcee AIOpenAI
WeightsOpen weightsNo public weights listed
ReleasedApril 1, 2026April 16, 2025
Context window262K200K
Input $/Mtok$0.25$1.10
Output $/Mtok$0.80$4.40
Coding index5.468.6
Independent measurements behind it12
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Trinity Large Thinking better than o4 Mini for coding?

Pick o4 Mini for coding: it scores 68.6 on the Vibe Coding Index against 5.4 for Trinity Large Thinking. Pick Trinity Large Thinking when output tokens cost 5.5x less, or when the context window is larger, 262K against 200K tokens.

Which is cheaper, Trinity Large Thinking or o4 Mini?

Trinity Large Thinking costs $0.25 per million input tokens and $0.80 per million output tokens; o4 Mini costs $1.10 and $4.40. Cost per solved task is known for neither of them.

Which has the bigger context window, Trinity Large Thinking or o4 Mini?

Trinity Large Thinking, with 262K tokens against 200K.

How many benchmarks is the Trinity Large Thinking vs o4 Mini comparison based on?

42 benchmarks have a result for both models as of October 21, 2026. Trinity Large Thinking's coding index rests on 1 independent benchmark and o4 Mini's on 2. Where only one model has a result, the page says so instead of naming a winner.

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