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GPT-4.1 Mini vs o1

Updated October 21, 2026. 63 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace GPT-4.1 Mini Replace o1
GPT-4.1 MiniOpenAI
Coding
28.5
Overall
10.2
Output $/M
$1.60
6
o1OpenAI
Coding
61.7
Overall
15.2
Output $/M
$60.00
57
vs boards won of 63 shared

Decision reading

Pick o1 for coding: it scores 61.7 on the Vibe Coding Index against 28.5 for GPT-4.1 Mini, though on 1 benchmark against 2.

Pick GPT-4.1 Mini when output tokens cost 37.5x less, or when the context window is larger, 1.05M against 200K tokens.

Model AGPT-4.1 MiniOpenAI28.5/1002 independent benchmarks$1.818 per solved taskModel Bo1OpenAI61.7/1001 independent benchmarkNo cost per solved task
Shared results
63
GPT-4.1 Mini only
21
o1 only
5
Like-for-like categories
7 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
GPT-4.1 Mini 28.5 from 2 benchmarks, o1 61.7 from 1 benchmark.
Widest category
Coding, 11.4 points apart on average over 8 shared benchmarks.
Widest single gap
Fiction.LiveBench: GPT-4.1 Mini 44.4% against o1 83.3%, 38.9 points apart on a 0 to 100 scale.
Output price
GPT-4.1 Mini $1.60 against o1 $60.00 per million output tokens, 37.5x apart.
Context window
GPT-4.1 Mini takes 1.05M tokens, o1 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 MiniBarso1Ties
Coding26
Intelligence02
Agentic work01
Reasoning010
Math08
Knowledge010
General420
All shared boards657
CodingLike-for-likeFour of these boards feed the Vibe Coding Index26
Coding benchmarks for GPT-4.1 Mini and o1
BenchmarkGPT-4.1 Minio1Leader
Aider polyglot32.4%61.7%o1
SWE-bench Verified23.9%Not measuredOnly GPT-4.1 Mini measured
AA Coding Index20.239.7o1
LiveCodeBench (Vals AI)58.2%50.3%GPT-4.1 Mini
LiveCodeBench (Artificial Analysis run)48.3%67.9%o1
Terminal-Bench Hard (Artificial Analysis run)7.6%12.9%o1
WeirdML37.6%46.1%o1
LMArena Text: coding13671367GPT-4.1 Mini
LMArena Text: software and IT13601366o1
Neither model has a result on the other 29 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for GPT-4.1 Mini and o1
BenchmarkGPT-4.1 Minio1Leader
AA Intelligence Index10.215.2o1
Epoch Capabilities Index134.9141.7o1
Agentic workLike-for-likePublic boards, shown as published, kept out of the index01
Agentic work benchmarks for GPT-4.1 Mini and o1
BenchmarkGPT-4.1 Minio1Leader
τ²-Bench Telecom52.9%62.6%o1
METR time horizonsNot measured51.1%Only o1 measured
Neither model has a result on the other 37 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index010
Reasoning benchmarks for GPT-4.1 Mini and o1
BenchmarkGPT-4.1 Minio1Leader
GPQA Diamond67.9%73.2%o1
MMMU Pro (Vals AI)70.5%77.4%o1
GPQA Diamond (Artificial Analysis run)66.4%74.7%o1
Humanity's Last Exam (Artificial Analysis run)5.0%7.0%o1
GPQA Diamond (Epoch AI run)65.8%76.8%o1
ARC-AGI3.5%30.7%o1
ARC-AGI-20.0%Not measuredOnly GPT-4.1 Mini measured
SimpleBenchNot measured40.1%Only o1 measured
Chess puzzles1.0%10.0%o1
Mystery game puzzles7.0%Not measuredOnly GPT-4.1 Mini measured
VPCTNot measured37.0%Only o1 measured
LMArena Text: hard prompts13491371o1
LMArena Text: expert13381361o1
LMArena Text: hard prompts in English13621372o1
LMArena Vision: diagrams1182Not measuredOnly GPT-4.1 Mini measured
LMArena Vision: homework1214Not measuredOnly GPT-4.1 Mini measured
Neither model has a result on the other 5 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index08
Math benchmarks for GPT-4.1 Mini and o1
BenchmarkGPT-4.1 Minio1Leader
AIME49.4%71.5%o1
MATH 500 (Vals AI)88.0%90.4%o1
MGSM (Vals AI)87.8%89.3%o1
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%73.3%o1
FrontierMath, tiers 1 to 36.7%14.7%o1
MATH level 587.3%94.7%o1
LMArena Text: math13431388o1
LMArena Text: mathematical work13471390o1
Neither model has a result on the other 3 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index010
Knowledge benchmarks for GPT-4.1 Mini and o1
BenchmarkGPT-4.1 Minio1Leader
MMLU Pro77.2%83.5%o1
LegalBench (Vals AI)78.0%80.4%o1
CorpFin (Vals AI)57.9%Not measuredOnly GPT-4.1 Mini measured
TaxEval (Vals AI)71.9%74.3%o1
MortgageTax (Vals AI)65.5%Not measuredOnly GPT-4.1 Mini measured
MedQA (Vals AI)84.6%96.5%o1
MMLU Pro (Artificial Analysis run)78.1%84.1%o1
SimpleQA Verified12.7%41.1%o1
GeoBenchNot measured80.0%Only o1 measured
LMArena Text: science13281369o1
LMArena Text: medicine and healthcare13241355o1
LMArena Text: legal and government13431368o1
LMArena Text: business and finance13221328o1
Neither model has a result on the other 4 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 o1
BenchmarkGPT-4.1 Minio1Leader
Design Arena: websites997Not measuredOnly GPT-4.1 Mini measured
Design Arena: UI components961Not measuredOnly GPT-4.1 Mini measured
Design Arena: game dev1071Not measuredOnly GPT-4.1 Mini measured
Design Arena: data viz1034Not measuredOnly GPT-4.1 Mini measured
Design Arena: 3D837Not measuredOnly GPT-4.1 Mini measured
Design Arena: all code categories994Not 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 index420
General benchmarks for GPT-4.1 Mini and o1
BenchmarkGPT-4.1 Minio1Leader
IFBench38.3%70.3%o1
Long context reasoning (AA-LCR)44.0%65.0%o1
DTBench68.8%74.7%o1
LMCA21.1%22.3%o1
Fiction.LiveBench44.4%83.3%o1
Creative writing (Lech Mazur)Not measured70.2%Only o1 measured
LMArena Text13411366o1
LMArena Text: instruction following13331367o1
LMArena Text: creative writing12991347o1
LMArena Vision11811168GPT-4.1 Mini
LMArena Text: English13561372o1
LMArena Text: non-English13181358o1
LMArena Text: Chinese13291394o1
LMArena Text: German13501337GPT-4.1 Mini
LMArena Text: Japanese12901346o1
LMArena Text: Korean12981396o1
LMArena Text: French13581344GPT-4.1 Mini
LMArena Text: Spanish13191345o1
LMArena Text: Russian13241356o1
LMArena Text: Polish1326Not measuredOnly GPT-4.1 Mini measured
LMArena Text: multi-turn13541355o1
LMArena Text: longer queries13441378o1
LMArena Text: writing and language13191360o1
LMArena Text: entertainment and media13001358o1
LMArena Vision: English11911162GPT-4.1 Mini
LMArena Vision: Chinese11861235o1
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 o1
BenchmarkGPT-4.1 Minio1Leader
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
o1$0.045Fits 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
o1$0.930Fits 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
o1$3.60Exceeds 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 o1
SpecificationOpenAI GPT-4.1 MiniOpenAI o1
MakerOpenAIOpenAI
WeightsNo public weights listedNo public weights listed
ReleasedApril 14, 2025December 17, 2024
Context window1.05M200K
Input $/Mtok$0.40$15.00
Output $/Mtok$1.60$60.00
Coding index28.561.7
Independent measurements behind it21
Cost per solved task$1.818Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is GPT-4.1 Mini better than o1 for coding?

Pick o1 for coding: it scores 61.7 on the Vibe Coding Index against 28.5 for GPT-4.1 Mini, though on 1 benchmark against 2. Pick GPT-4.1 Mini when output tokens cost 37.5x less, or when the context window is larger, 1.05M against 200K tokens.

Which is cheaper, GPT-4.1 Mini or o1?

GPT-4.1 Mini costs $0.40 per million input tokens and $1.60 per million output tokens; o1 costs $15.00 and $60.00. Cost per solved task is known for GPT-4.1 Mini only.

Which has the bigger context window, GPT-4.1 Mini or o1?

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

How many benchmarks is the GPT-4.1 Mini vs o1 comparison based on?

63 benchmarks have a result for both models as of October 21, 2026. GPT-4.1 Mini's coding index rests on 2 independent benchmarks and o1's on 1. Where only one model has a result, the page says so instead of naming a winner.

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