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Trinity Large Thinking vs o3 Mini

o3 Mini leads Trinity Large Thinking on the Artificial Analysis Intelligence Index, 12.5 to 10.8, and Trinity Large Thinking costs 5.5x less per output token ($0.80 vs $4.40 per million). Updated October 21, 2026; 37 benchmarks have a result for both.

Replace Trinity Large Thinking Replace o3 Mini
Trinity Large ThinkingArcee AI
Coding
No data
Overall
No data
Output $/M
$0.80
20
o3 MiniOpenAI
Coding
No data
Overall
38.0
Output $/M
$4.40
17
vs boards won of 37 shared

Trinity Large Thinking or o3 Mini: which to pick

Neither model has a coding score yet, so the two cannot be ranked on coding.

Pick Trinity Large Thinking for output tokens 5.5x cheaper ($0.80 vs $4.40 per million) and a larger context window (262K against 200K tokens).

Model ATrinity Large ThinkingArcee AINot benchmarked1 independent benchmarkNo cost per solved taskModel Bo3 MiniOpenAINot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
37
Trinity Large Thinking only
15
o3 Mini only
34
Like-for-like categories
7 of 9

Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.

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 not benchmarked, o3 Mini not benchmarked.
Widest category
Agentic work, 58.8 points apart on average over 1 shared benchmark.
Widest single gap
τ²-Bench Telecom: Trinity Large Thinking 90.1% against o3 Mini 31.3%, 58.8 points apart on a 0 to 100 scale.
Output price
Trinity Large Thinking $0.80 against o3 Mini $4.40 per million output tokens, 5.5x apart.
Context window
Trinity Large Thinking takes 262K tokens, o3 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 ThinkingBarso3 MiniTies
Coding13
Intelligence01
Agentic work10
Reasoning14
Math02
Knowledge50
General127
All shared boards2017
CodingLike-for-likeSix of these boards feed the Vibe Coding Index13
Coding benchmarks for Trinity Large Thinking and o3 Mini
BenchmarkTrinity Large Thinkingo3 MiniLeader
Aider polyglotNot measured60.4%Only o3 Mini measured
SWE-bench VerifiedNot measured42.4%Only o3 Mini measured
SWE-bench LiteNot measured32.3%Only o3 Mini measured
LMArena WebDev1238Not measuredOnly Trinity Large Thinking measured
AA Coding Index25.8Not measuredOnly Trinity Large Thinking measured
LiveCodeBench (Vals AI)Not measured71.5%Only o3 Mini measured
LiveCodeBench (Artificial Analysis run)Not measured73.4%Only o3 Mini measured
SciCode40.6%42.8%o3 Mini
Terminal-Bench Hard (Artificial Analysis run)22.7%6.8%Trinity Large Thinking
GSO-BenchNot measured1.3%Only o3 Mini measured
WeirdMLNot measured43.7%Only o3 Mini measured
CybenchNot measured22.5%Only o3 Mini measured
LMArena Text: coding13571378o3 Mini
LMArena Text: software and IT13621364o3 Mini
LMArena WebDev: React1231Not measuredOnly Trinity Large Thinking measured
LMArena WebDev: HTML1240Not measuredOnly Trinity Large Thinking measured
SciCodeNot measured7.7%Only o3 Mini measured
Neither model has a result on the other 22 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for Trinity Large Thinking and o3 Mini
BenchmarkTrinity Large Thinkingo3 MiniLeader
AA Intelligence Index10.812.5o3 Mini
Epoch Capabilities IndexNot measured140.2Only o3 Mini measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
Agentic work benchmarks for Trinity Large Thinking and o3 Mini
BenchmarkTrinity Large Thinkingo3 MiniLeader
AA Agentic Index1.0Not measuredOnly Trinity Large Thinking measured
τ²-Bench Telecom90.1%31.3%Trinity Large Thinking
Neither model has a result on the other 39 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index14
Reasoning benchmarks for Trinity Large Thinking and o3 Mini
BenchmarkTrinity Large Thinkingo3 MiniLeader
GPQA DiamondNot measured75.5%Only o3 Mini measured
GPQA Diamond (Artificial Analysis run)75.2%77.3%o3 Mini
Humanity's Last Exam (Artificial Analysis run)15.8%12.0%Trinity Large Thinking
GPQA Diamond (Epoch AI run)Not measured77.0%Only o3 Mini measured
ARC-AGINot measured34.5%Only o3 Mini measured
ARC-AGI-2Not measured3.0%Only o3 Mini measured
SimpleBenchNot measured22.8%Only o3 Mini measured
Chess puzzlesNot measured15.0%Only o3 Mini measured
Mystery game puzzlesNot measured7.0%Only o3 Mini measured
LMArena Text: hard prompts13421365o3 Mini
LMArena Text: expert13591364o3 Mini
LMArena Text: hard prompts in English13561375o3 Mini
Neither model has a result on the other 10 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index02
Math benchmarks for Trinity Large Thinking and o3 Mini
BenchmarkTrinity Large Thinkingo3 MiniLeader
AIMENot measured86.5%Only o3 Mini measured
MATH 500 (Vals AI)Not measured91.8%Only o3 Mini measured
MGSM (Vals AI)Not measured91.3%Only o3 Mini measured
OTIS Mock AIMENot measured76.9%Only o3 Mini measured
FrontierMath, tiers 1 to 3Not measured18.6%Only o3 Mini measured
FrontierMath, tier 4Not measured0.0%Only o3 Mini measured
MATH level 5Not measured96.5%Only o3 Mini measured
LMArena Text: math13651396o3 Mini
LMArena Text: mathematical work13501399o3 Mini
Neither model has a result on the other 4 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index50
Knowledge benchmarks for Trinity Large Thinking and o3 Mini
BenchmarkTrinity Large Thinkingo3 MiniLeader
MMLU ProNot measured78.7%Only o3 Mini measured
LegalBench (Vals AI)Not measured71.5%Only o3 Mini measured
CaseLaw (Vals AI)57.9%Not measuredOnly Trinity Large Thinking measured
CorpFin (Vals AI)54.7%45.3%Trinity Large Thinking
TaxEval (Vals AI)Not measured69.4%Only o3 Mini measured
MedQA (Vals AI)Not measured94.8%Only o3 Mini measured
MMLU Pro (Artificial Analysis run)Not measured80.2%Only o3 Mini measured
SimpleQA VerifiedNot measured15.3%Only o3 Mini measured
LMArena Text: science13551339Trinity Large Thinking
LMArena Text: medicine and healthcare13491330Trinity Large Thinking
LMArena Text: legal and government13451328Trinity Large Thinking
LMArena Text: business and finance13291313Trinity Large Thinking
Neither model has a result on the other 6 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
Web design benchmarks for Trinity Large Thinking and o3 Mini
BenchmarkTrinity Large Thinkingo3 MiniLeader
Design Arena: websites1137Not measuredOnly Trinity Large Thinking measured
Design Arena: UI components1045Not measuredOnly Trinity Large Thinking measured
Design Arena: game dev1079Not measuredOnly Trinity Large Thinking measured
Design Arena: data viz1098Not measuredOnly Trinity Large Thinking measured
Design Arena: 3D1082Not measuredOnly Trinity Large Thinking measured
Design Arena: all code categories1117Not measuredOnly Trinity Large Thinking measured
Design Arena: SVG1017Not 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 index127
General benchmarks for Trinity Large Thinking and o3 Mini
BenchmarkTrinity Large Thinkingo3 MiniLeader
IFBench56.3%67.1%o3 Mini
Long context reasoning (AA-LCR)38.0%43.0%o3 Mini
DTBenchNot measured68.8%Only o3 Mini measured
LMCANot measured19.0%Only o3 Mini measured
Fiction.LiveBenchNot measured50.0%Only o3 Mini measured
Creative writing (Lech Mazur)Not measured61.7%Only o3 Mini measured
Surface Evolver Bench15.6%Not measuredOnly Trinity Large Thinking measured
LMArena Text13401337Trinity Large Thinking
LMArena Text: instruction following13261337o3 Mini
LMArena Text: creative writing13081286Trinity Large Thinking
LMArena Text: English13561351Trinity Large Thinking
LMArena Text: non-English13251319Trinity Large Thinking
LMArena Text: Chinese13711379o3 Mini
LMArena Text: German13561303Trinity Large Thinking
LMArena Text: Japanese13121286Trinity Large Thinking
LMArena Text: Korean13061313o3 Mini
LMArena Text: French13661334Trinity Large Thinking
LMArena Text: Spanish13271321Trinity Large Thinking
LMArena Text: Russian13381304Trinity Large Thinking
LMArena Text: Polish13121294Trinity Large Thinking
LMArena Text: multi-turn13201320o3 Mini
LMArena Text: longer queries13181343o3 Mini
LMArena Text: writing and language13171313Trinity Large Thinking
LMArena Text: entertainment and media12961283Trinity Large Thinking
Neither model has a result on the other 22 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 o3 Mini
BenchmarkTrinity Large Thinkingo3 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
o3 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
o3 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
o3 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 o3 Mini
SpecificationArcee AI Trinity Large ThinkingOpenAI o3 Mini
MakerArcee AIOpenAI
WeightsOpen weightsNo public weights listed
ReleasedApril 1, 2026January 31, 2025
Context window262K200K
Input $/Mtok$0.25$1.10
Output $/Mtok$0.80$4.40
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it10
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Trinity Large Thinking better than o3 Mini for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick Trinity Large Thinking for output tokens 5.5x cheaper ($0.80 vs $4.40 per million) and a larger context window (262K against 200K tokens).

Which is cheaper, Trinity Large Thinking or o3 Mini?

Trinity Large Thinking costs $0.25 per million input tokens and $0.80 per million output tokens; o3 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 o3 Mini?

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

How many benchmarks is the Trinity Large Thinking vs o3 Mini comparison based on?

37 benchmarks have a result for both models as of October 21, 2026. Trinity Large Thinking's coding index rests on 1 independent benchmark and o3 Mini's on 0. Where only one model has a result, the page says so instead of naming a winner.

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