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GPT-4.1 Mini vs o3 Mini

o3 Mini leads GPT-4.1 Mini on the Artificial Analysis Intelligence Index, 12.5 to 10.2, and GPT-4.1 Mini costs 2.8x less per output token ($1.60 vs $4.40 per million). Updated October 22, 2026; 63 benchmarks have a result for both.

Replace GPT-4.1 Mini Replace o3 Mini
GPT-4.1 MiniOpenAI
Coding
No data
Overall
31.9
Output $/M
$1.60
21
o3 MiniOpenAI
Coding
No data
Overall
38.0
Output $/M
$4.40
40
vs boards won of 63 shared, 2 tied

GPT-4.1 Mini or o3 Mini: which to pick

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

Pick GPT-4.1 Mini for output tokens 2.8x cheaper ($1.60 vs $4.40 per million) and a larger context window (1.05M against 200K tokens).

Model AGPT-4.1 MiniOpenAINot benchmarkedNo coding benchmark$1.818 per solved taskModel Bo3 MiniOpenAINot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
63
GPT-4.1 Mini only
23
o3 Mini only
8
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
GPT-4.1 Mini not benchmarked, o3 Mini not benchmarked.
Widest category
Agentic work, 21.6 points apart on average over 1 shared benchmark.
Widest single gap
AIME: GPT-4.1 Mini 49.4% against o3 Mini 86.5%, 37.1 points apart on a 0 to 100 scale.
Output price
GPT-4.1 Mini $1.60 against o3 Mini $4.40 per million output tokens, 2.8x apart.
Context window
GPT-4.1 Mini takes 1.05M 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
CategoryGPT-4.1 MiniBarso3 MiniTies
Coding17
Intelligence02
Agentic work10
Reasoning0101 tie
Math08
Knowledge56
General1471 tie
All shared boards21402 ties
CodingLike-for-likeSix of these boards feed the Vibe Coding Index17
Coding benchmarks for GPT-4.1 Mini and o3 Mini
BenchmarkGPT-4.1 Minio3 MiniLeader
Aider polyglot32.4%60.4%o3 Mini
SWE-bench Verified23.9%42.4%o3 Mini
SWE-bench LiteNot measured32.3%Only o3 Mini measured
AA Coding Index20.2Not measuredOnly GPT-4.1 Mini measured
LiveCodeBench (Vals AI)58.2%71.5%o3 Mini
LiveCodeBench (Artificial Analysis run)48.3%73.4%o3 Mini
SciCodeNot measured42.8%Only o3 Mini measured
Terminal-Bench Hard (Artificial Analysis run)7.6%6.8%GPT-4.1 Mini
GSO-BenchNot measured1.3%Only o3 Mini measured
WeirdML37.6%43.7%o3 Mini
CybenchNot measured22.5%Only o3 Mini measured
LMArena Text: coding13671378o3 Mini
LMArena Text: software and IT13601364o3 Mini
SciCodeNot measured7.7%Only o3 Mini measured
Neither model has a result on the other 25 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for GPT-4.1 Mini and o3 Mini
BenchmarkGPT-4.1 Minio3 MiniLeader
AA Intelligence Index10.212.5o3 Mini
Epoch Capabilities Index134.9140.2o3 Mini
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
Agentic work benchmarks for GPT-4.1 Mini and o3 Mini
BenchmarkGPT-4.1 Minio3 MiniLeader
τ²-Bench Telecom52.9%31.3%GPT-4.1 Mini
Berkeley Function Calling Leaderboard (BFCL)50.4%Not measuredOnly GPT-4.1 Mini measured
Neither model has a result on the other 39 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index010
Reasoning benchmarks for GPT-4.1 Mini and o3 Mini
BenchmarkGPT-4.1 Minio3 MiniLeader
GPQA Diamond67.9%75.5%o3 Mini
MMMU Pro (Vals AI)70.5%Not measuredOnly GPT-4.1 Mini measured
GPQA Diamond (Artificial Analysis run)66.4%77.3%o3 Mini
Humanity's Last Exam (Artificial Analysis run)5.0%12.0%o3 Mini
GPQA Diamond (Epoch AI run)65.8%77.0%o3 Mini
ARC-AGI3.5%34.5%o3 Mini
ARC-AGI-20.0%3.0%o3 Mini
SimpleBenchNot measured22.8%Only o3 Mini measured
Chess puzzles1.0%15.0%o3 Mini
Mystery game puzzles7.0%7.0%Tie
LMArena Text: hard prompts13491365o3 Mini
LMArena Text: expert13381364o3 Mini
LMArena Text: hard prompts in English13621375o3 Mini
LMArena Vision: diagrams1182Not measuredOnly GPT-4.1 Mini measured
LMArena Vision: homework1214Not measuredOnly GPT-4.1 Mini measured
Kagi LLM Benchmark48.6%Not measuredOnly GPT-4.1 Mini measured
Neither model has a result on the other 6 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index08
Math benchmarks for GPT-4.1 Mini and o3 Mini
BenchmarkGPT-4.1 Minio3 MiniLeader
AIME49.4%86.5%o3 Mini
MATH 500 (Vals AI)88.0%91.8%o3 Mini
MGSM (Vals AI)87.8%91.3%o3 Mini
AA Math Index46.3Not measuredOnly GPT-4.1 Mini measured
AIME 2025 (Artificial Analysis run)46.3%Not measuredOnly GPT-4.1 Mini measured
OTIS Mock AIME44.7%76.9%o3 Mini
FrontierMath, tiers 1 to 36.7%18.6%o3 Mini
FrontierMath, tier 4Not measured0.0%Only o3 Mini measured
MATH level 587.3%96.5%o3 Mini
LMArena Text: math13431396o3 Mini
LMArena Text: mathematical work13471399o3 Mini
Neither model has a result on the other 2 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index56
Knowledge benchmarks for GPT-4.1 Mini and o3 Mini
BenchmarkGPT-4.1 Minio3 MiniLeader
MMLU Pro77.2%78.7%o3 Mini
LegalBench (Vals AI)78.0%71.5%GPT-4.1 Mini
CorpFin (Vals AI)57.9%45.3%GPT-4.1 Mini
TaxEval (Vals AI)71.9%69.4%GPT-4.1 Mini
MortgageTax (Vals AI)65.5%Not measuredOnly GPT-4.1 Mini measured
MedQA (Vals AI)84.6%94.8%o3 Mini
MMLU Pro (Artificial Analysis run)78.1%80.2%o3 Mini
SimpleQA Verified12.7%15.3%o3 Mini
LMArena Text: science13281339o3 Mini
LMArena Text: medicine and healthcare13241330o3 Mini
LMArena Text: legal and government13431328GPT-4.1 Mini
LMArena Text: business and finance13221313GPT-4.1 Mini
Neither model has a result on the other 6 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index6 boards, none shared
Web design benchmarks for GPT-4.1 Mini and o3 Mini
BenchmarkGPT-4.1 Minio3 MiniLeader
Design Arena: websites997Not measuredOnly GPT-4.1 Mini measured
Design Arena: UI components958Not measuredOnly GPT-4.1 Mini measured
Design Arena: game dev1070Not measuredOnly GPT-4.1 Mini measured
Design Arena: data viz1034Not measuredOnly GPT-4.1 Mini measured
Design Arena: 3D836Not measuredOnly GPT-4.1 Mini measured
Design Arena: all code categories993Not measuredOnly GPT-4.1 Mini measured
Neither model has a result on the other 3 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index147
General benchmarks for GPT-4.1 Mini and o3 Mini
BenchmarkGPT-4.1 Minio3 MiniLeader
IFBench38.3%67.1%o3 Mini
Long context reasoning (AA-LCR)44.0%43.0%GPT-4.1 Mini
DTBench68.8%68.8%Tie
LMCA21.1%19.0%GPT-4.1 Mini
Fiction.LiveBench44.4%50.0%o3 Mini
Creative writing (Lech Mazur)Not measured61.7%Only o3 Mini measured
LMArena Text13411337GPT-4.1 Mini
LMArena Text: instruction following13331337o3 Mini
LMArena Text: creative writing12991286GPT-4.1 Mini
LMArena Vision1181Not measuredOnly GPT-4.1 Mini measured
LMArena Text: English13561351GPT-4.1 Mini
LMArena Text: non-English13181319o3 Mini
LMArena Text: Chinese13291379o3 Mini
LMArena Text: German13501303GPT-4.1 Mini
LMArena Text: Japanese12901286GPT-4.1 Mini
LMArena Text: Korean12981313o3 Mini
LMArena Text: French13581334GPT-4.1 Mini
LMArena Text: Spanish13191321o3 Mini
LMArena Text: Russian13241304GPT-4.1 Mini
LMArena Text: Polish13261294GPT-4.1 Mini
LMArena Text: multi-turn13541320GPT-4.1 Mini
LMArena Text: longer queries13441343GPT-4.1 Mini
LMArena Text: writing and language13191313GPT-4.1 Mini
LMArena Text: entertainment and media13001283GPT-4.1 Mini
LMArena Vision: English1191Not measuredOnly GPT-4.1 Mini measured
LMArena Vision: Chinese1186Not measuredOnly GPT-4.1 Mini measured
LMArena Vision: reading text1188Not measuredOnly GPT-4.1 Mini measured
LMArena Vision: humor1182Not measuredOnly GPT-4.1 Mini measured
LMArena Vision: captioning1174Not measuredOnly GPT-4.1 Mini measured
LMArena Vision: recognizing things1187Not measuredOnly GPT-4.1 Mini measured
LMArena Vision: creative writing1182Not measuredOnly GPT-4.1 Mini measured
Neither model has a result on the other 15 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for GPT-4.1 Mini and o3 Mini
BenchmarkGPT-4.1 Minio3 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

GPT-4.1 Mini$0.0012Fits in one request
o3 Mini$0.0033Fits in one request

GPT-4.1 Mini costs less

Repository review

50K input + 3K output tokens

GPT-4.1 Mini$0.025Fits in one request
o3 Mini$0.068Fits in one request

GPT-4.1 Mini costs less

Agent loop

200K input + 10K output tokens

GPT-4.1 Mini$0.096Fits in one request
o3 Mini$0.264Exceeds the context window

GPT-4.1 Mini 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 GPT-4.1 Mini and o3 Mini
SpecificationOpenAI GPT-4.1 MiniOpenAI o3 Mini
MakerOpenAIOpenAI
WeightsNo public weights listedNo public weights listed
ReleasedApril 14, 2025January 31, 2025
Context window1.05M200K
Input $/Mtok$0.40$1.10
Output $/Mtok$1.60$4.40
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it00
Cost per solved task$1.818Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is GPT-4.1 Mini better than o3 Mini for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick GPT-4.1 Mini for output tokens 2.8x cheaper ($1.60 vs $4.40 per million) and a larger context window (1.05M against 200K tokens).

Which is cheaper, GPT-4.1 Mini or o3 Mini?

GPT-4.1 Mini costs $0.40 per million input tokens and $1.60 per million output tokens; o3 Mini costs $1.10 and $4.40. Cost per solved task is known for GPT-4.1 Mini only.

Which has the bigger context window, GPT-4.1 Mini or o3 Mini?

GPT-4.1 Mini, with 1.05M tokens against 200K.

How many benchmarks is the GPT-4.1 Mini vs o3 Mini comparison based on?

63 benchmarks have a result for both models as of October 22, 2026. GPT-4.1 Mini's coding index rests on 0 independent benchmarks 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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