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GPT-4.1 vs GPT-5 Mini

GPT-5 Mini leads GPT-4.1 on the Artificial Analysis Intelligence Index, 20.6 to 12.7, and GPT-5 Mini costs 4.0x less per output token ($2.00 vs $8.00 per million). Updated October 22, 2026; 85 benchmarks have a result for both.

Replace GPT-4.1 Replace GPT-5 Mini
GPT-4.1OpenAI
Coding
No data
Overall
36.5
Output $/M
$8.00
30
GPT-5 MiniOpenAI
Coding
34.2
Overall
43.7
Output $/M
$2.00
55
vs boards won of 85 shared

GPT-4.1 or GPT-5 Mini: which to pick

Only GPT-5 Mini has a coding score, 34.2 on the Vibe Coding Index; GPT-4.1 has none, so the two cannot be ranked on coding.

Pick GPT-4.1 for a larger context window (1.05M against 400K tokens) and work measured by LMArena Text: hard prompts or LMArena Text: hard prompts in English, where it leads.

Model AGPT-4.1OpenAINot benchmarkedNo coding benchmark$0.37 per solved taskModel BGPT-5 MiniOpenAI34.2/1002 independent benchmarks$0.08 per solved task
Shared results
85
GPT-4.1 only
7
GPT-5 Mini only
16
Like-for-like categories
8 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 not benchmarked, GPT-5 Mini 34.2 from 2 benchmarks.
Widest category
Math, 28.5 points apart on average over 10 shared benchmarks.
Widest single gap
AA Math Index: GPT-4.1 34.7 against GPT-5 Mini 90.7, 56.0 points apart on a 0 to 100 scale.
Output price
GPT-4.1 $8.00 against GPT-5 Mini $2.00 per million output tokens, 4.0x apart.
Context window
GPT-4.1 takes 1.05M tokens, GPT-5 Mini 400K.

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-4.1BarsGPT-5 MiniTies
Coding07
Intelligence02
Agentic work02
Reasoning410
Math010
Knowledge86
Web design06
General1812
All shared boards3055
CodingLike-for-likeSix of these boards feed the Vibe Coding Index07
Coding benchmarks for GPT-4.1 and GPT-5 Mini
BenchmarkGPT-4.1GPT-5 MiniLeader
Aider polyglot52.4%Not measuredOnly GPT-4.1 measured
SWE-bench Verified39.6%59.8%GPT-5 Mini
SWE-bench Multimodal31.1%Not measuredOnly GPT-4.1 measured
SWE-bench MultilingualNot measured39.7%Only GPT-5 Mini measured
LiveCodeBench (Vals AI)54.7%86.6%GPT-5 Mini
SWE-bench Verified (Vals AI)Not measured60.8%Only GPT-5 Mini measured
Vibe Code Bench (Vals AI)Not measured14.2%Only GPT-5 Mini measured
LiveCodeBench (Artificial Analysis run)45.7%83.8%GPT-5 Mini
SciCodeNot measured39.0%Only GPT-5 Mini measured
Terminal-Bench Hard (Artificial Analysis run)13.6%33.3%GPT-5 Mini
Terminal-BenchNot measured34.8%Only GPT-5 Mini measured
WeirdML39.0%52.7%GPT-5 Mini
ALE-Bench558.1Not measuredOnly GPT-4.1 measured
LMArena Text: coding13901406GPT-5 Mini
LMArena Text: software and IT13911394GPT-5 Mini
SciCode4.6%Not measuredOnly GPT-4.1 measured
Neither model has a result on the other 23 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for GPT-4.1 and GPT-5 Mini
BenchmarkGPT-4.1GPT-5 MiniLeader
AA Intelligence Index12.720.6GPT-5 Mini
Epoch Capabilities Index136.7145.3GPT-5 Mini
Agentic workLike-for-likePublic boards, shown as published, kept out of the index02
Agentic work benchmarks for GPT-4.1 and GPT-5 Mini
BenchmarkGPT-4.1GPT-5 MiniLeader
τ²-Bench Telecom47.1%71.1%GPT-5 Mini
Vending-Bench 2Not measured-$31Only GPT-5 Mini measured
Berkeley Function Calling Leaderboard (BFCL)54.0%55.5%GPT-5 Mini
BrowseComp-Plus36.4%Not measuredOnly GPT-4.1 measured
Neither model has a result on the other 37 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index410
Reasoning benchmarks for GPT-4.1 and GPT-5 Mini
BenchmarkGPT-4.1GPT-5 MiniLeader
GPQA Diamond65.4%80.3%GPT-5 Mini
MMMU Pro (Vals AI)72.4%78.9%GPT-5 Mini
GPQA Diamond (Artificial Analysis run)66.6%82.8%GPT-5 Mini
Humanity's Last Exam (Artificial Analysis run)4.2%21.5%GPT-5 Mini
GPQA Diamond (Epoch AI run)66.9%75.0%GPT-5 Mini
ARC-AGI5.5%54.3%GPT-5 Mini
ARC-AGI-20.4%4.4%GPT-5 Mini
SimpleBench27.0%Not measuredOnly GPT-4.1 measured
Chess puzzles3.0%24.0%GPT-5 Mini
Mystery game puzzlesNot measured10.0%Only GPT-5 Mini measured
VPCTNot measured40.2%Only GPT-5 Mini measured
LMArena Text: hard prompts13841380GPT-4.1
LMArena Text: expert13641379GPT-5 Mini
LMArena Text: hard prompts in English13931383GPT-4.1
LMArena Vision: diagrams12151202GPT-4.1
LMArena Vision: homework12481210GPT-4.1
Kagi LLM Benchmark52.3%70.3%GPT-5 Mini
Neither model has a result on the other 5 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index010
Math benchmarks for GPT-4.1 and GPT-5 Mini
BenchmarkGPT-4.1GPT-5 MiniLeader
AIME39.6%91.5%GPT-5 Mini
MATH 500 (Vals AI)87.2%94.8%GPT-5 Mini
MGSM (Vals AI)87.7%92.6%GPT-5 Mini
AA Math Index34.790.7GPT-5 Mini
AIME 2025 (Artificial Analysis run)34.7%90.7%GPT-5 Mini
OTIS Mock AIME38.3%86.7%GPT-5 Mini
FrontierMath, tiers 1 to 36.0%46.7%GPT-5 Mini
FrontierMath, tier 4Not measured12.2%Only GPT-5 Mini measured
ProofBenchNot measured9.0%Only GPT-5 Mini measured
MATH level 583.0%97.8%GPT-5 Mini
LMArena Text: math13691378GPT-5 Mini
LMArena Text: mathematical work13601380GPT-5 Mini
Neither model has a result on the other 1 board here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index86
Knowledge benchmarks for GPT-4.1 and GPT-5 Mini
BenchmarkGPT-4.1GPT-5 MiniLeader
MMLU Pro80.5%82.2%GPT-5 Mini
LegalBench (Vals AI)83.1%81.8%GPT-4.1
CaseLaw (Vals AI)69.9%68.5%GPT-4.1
CorpFin (Vals AI)63.0%60.2%GPT-4.1
TaxEval (Vals AI)75.1%75.2%GPT-5 Mini
MortgageTax (Vals AI)65.9%66.9%GPT-5 Mini
MedQA (Vals AI)91.2%96.1%GPT-5 Mini
MedCode (Vals AI)Not measured43.0%Only GPT-5 Mini measured
MMLU Pro (Artificial Analysis run)80.6%83.7%GPT-5 Mini
SimpleQA Verified31.1%21.6%GPT-4.1
GeoBench72.0%Not measuredOnly GPT-4.1 measured
LMArena Text: science13821371GPT-4.1
LMArena Text: medicine and healthcare13791380GPT-5 Mini
LMArena Text: legal and government13991375GPT-4.1
LMArena Text: business and finance13691358GPT-4.1
FACTS Benchmark Suite45.8%38.6%GPT-4.1
Neither model has a result on the other 2 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index06
Web design benchmarks for GPT-4.1 and GPT-5 Mini
BenchmarkGPT-4.1GPT-5 MiniLeader
Design Arena: websites10381125GPT-5 Mini
Design Arena: UI components9971103GPT-5 Mini
Design Arena: game dev10791129GPT-5 Mini
Design Arena: data viz11041131GPT-5 Mini
Design Arena: 3D8491036GPT-5 Mini
Design Arena: all code categories10251114GPT-5 Mini
Design Arena: SVGNot measured1091Only GPT-5 Mini measured
Design Arena: ASCII artNot measured1125Only GPT-5 Mini measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index1812
General benchmarks for GPT-4.1 and GPT-5 Mini
BenchmarkGPT-4.1GPT-5 MiniLeader
SAGE (Vals AI)Not measured43.0%Only GPT-5 Mini measured
MedScribe (Vals AI)Not measured80.6%Only GPT-5 Mini measured
IFBench43.0%75.4%GPT-5 Mini
Long context reasoning (AA-LCR)68.3%72.3%GPT-5 Mini
DTBench68.3%80.5%GPT-5 Mini
LMCA25.6%34.2%GPT-5 Mini
Fiction.LiveBench63.9%69.4%GPT-5 Mini
Creative writing (Lech Mazur)Not measured83.1%Only GPT-5 Mini measured
LMArena Text13831373GPT-4.1
LMArena Text: instruction following13671357GPT-4.1
LMArena Text: creative writing13631325GPT-4.1
LMArena Vision12101202GPT-4.1
LMArena Text: English13921379GPT-4.1
LMArena Text: non-English13701363GPT-4.1
LMArena Text: Chinese13821386GPT-5 Mini
LMArena Text: German13811366GPT-4.1
LMArena Text: Japanese13191341GPT-5 Mini
LMArena Text: Korean13381308GPT-4.1
LMArena Text: French13821386GPT-5 Mini
LMArena Text: Spanish13761354GPT-4.1
LMArena Text: Russian13771362GPT-4.1
LMArena Text: Polish13891378GPT-4.1
LMArena Text: multi-turn13971363GPT-4.1
LMArena Text: longer queries13851355GPT-4.1
LMArena Text: writing and language13711344GPT-4.1
LMArena Text: entertainment and media13651340GPT-4.1
LMArena Vision: English12091216GPT-5 Mini
LMArena Vision: Chinese12261214GPT-4.1
LMArena Vision: reading text12181199GPT-4.1
LMArena Vision: humor11961205GPT-5 Mini
LMArena Vision: captioning12071217GPT-5 Mini
LMArena Vision: recognizing things12081226GPT-5 Mini
LMArena Vision: creative writing12101181GPT-4.1
Neither model has a result on the other 13 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for GPT-4.1 and GPT-5 Mini
BenchmarkGPT-4.1GPT-5 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$0.0060Fits in one request
GPT-5 Mini$0.0013Fits in one request

GPT-5 Mini costs less

Repository review

50K input + 3K output tokens

GPT-4.1$0.124Fits in one request
GPT-5 Mini$0.018Fits in one request

GPT-5 Mini costs less

Agent loop

200K input + 10K output tokens

GPT-4.1$0.480Fits in one request
GPT-5 Mini$0.070Fits in one request

GPT-5 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 and GPT-5 Mini
SpecificationOpenAI GPT-4.1OpenAI GPT-5 Mini
MakerOpenAIOpenAI
WeightsNo public weights listedNo public weights listed
ReleasedApril 14, 2025August 7, 2025
Context window1.05M400K
Input $/Mtok$2.00$0.25
Output $/Mtok$8.00$2.00
Coding indexNot benchmarked34.2
Independent measurements behind it02
Cost per solved task$0.37$0.08
SourceOpenRouter listingOpenRouter listing

Questions

Is GPT-4.1 better than GPT-5 Mini for coding?

Only GPT-5 Mini has a coding score, 34.2 on the Vibe Coding Index; GPT-4.1 has none, so the two cannot be ranked on coding. Pick GPT-4.1 for a larger context window (1.05M against 400K tokens) and work measured by LMArena Text: hard prompts or LMArena Text: hard prompts in English, where it leads.

Which is cheaper, GPT-4.1 or GPT-5 Mini?

GPT-4.1 costs $2.00 per million input tokens and $8.00 per million output tokens; GPT-5 Mini costs $0.25 and $2.00. Per solved SWE-bench Verified task, GPT-4.1 costs $0.37 and GPT-5 Mini $0.08.

Which has the bigger context window, GPT-4.1 or GPT-5 Mini?

GPT-4.1, with 1.05M tokens against 400K.

How many benchmarks is the GPT-4.1 vs GPT-5 Mini comparison based on?

85 benchmarks have a result for both models as of October 22, 2026. GPT-4.1's coding index rests on 0 independent benchmarks and GPT-5 Mini's on 2. Where only one model has a result, the page says so instead of naming a winner.

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