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GPT-4 Turbo vs o4 Mini

o4 Mini leads GPT-4 Turbo on the Artificial Analysis Intelligence Index, 16.7 to 7.0, and o4 Mini costs 6.8x less per output token ($4.40 vs $30.00 per million). Updated October 21, 2026; 40 benchmarks have a result for both.

Replace GPT-4 Turbo Replace o4 Mini
GPT-4 TurboOpenAI
Coding
No data
Overall
7.0
Output $/M
$30.00
1
o4 MiniOpenAI
Coding
No data
Overall
16.7
Output $/M
$4.40
39
vs boards won of 40 shared

GPT-4 Turbo or o4 Mini: which to pick

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

Pick GPT-4 Turbo for work measured by LiveCodeBench (Artificial Analysis run) or LMArena Text: coding, where it leads.

Model AGPT-4 TurboOpenAINot benchmarkedNo coding benchmarkNo cost per solved taskModel Bo4 MiniOpenAINot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
40
GPT-4 Turbo only
2
o4 Mini only
54
Like-for-like categories
6 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 Turbo not benchmarked, o4 Mini not benchmarked.
Widest category
Coding, 30.0 points apart on average over 3 shared benchmarks.
Widest single gap
LiveCodeBench (Artificial Analysis run): GPT-4 Turbo 29.1% against o4 Mini 85.9%, 56.8 points apart on a 0 to 100 scale.
Output price
GPT-4 Turbo $30.00 against o4 Mini $4.40 per million output tokens, 6.8x apart.
Context window
GPT-4 Turbo takes 128K 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
CategoryGPT-4 TurboBarso4 MiniTies
Coding03
Intelligence02
Reasoning04
Math02
Knowledge16
General022
All shared boards139
CodingLike-for-likeSix of these boards feed the Vibe Coding Index03
Coding benchmarks for GPT-4 Turbo and o4 Mini
BenchmarkGPT-4 Turboo4 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
AA Coding Index21.5Not measuredOnly GPT-4 Turbo measured
LiveCodeBench (Vals AI)Not measured82.2%Only o4 Mini measured
LiveCodeBench (Artificial Analysis run)29.1%85.9%o4 Mini
Terminal-Bench Hard (Artificial Analysis run)Not measured15.2%Only o4 Mini measured
GSO-BenchNot measured3.6%Only o4 Mini measured
WeirdMLNot measured52.6%Only o4 Mini measured
LMArena Text: coding12681368o4 Mini
LMArena Text: software and IT12671367o4 Mini
Neither model has a result on the other 27 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for GPT-4 Turbo and o4 Mini
BenchmarkGPT-4 Turboo4 MiniLeader
AA Intelligence Index7.016.7o4 Mini
Epoch Capabilities Index127.3145.5o4 Mini
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
Agentic work benchmarks for GPT-4 Turbo and o4 Mini
BenchmarkGPT-4 Turboo4 MiniLeader
τ²-Bench TelecomNot measured55.6%Only o4 Mini measured
METR time horizonsNot measured63.9%Only o4 Mini measured
Neither model has a result on the other 37 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index04
Reasoning benchmarks for GPT-4 Turbo and o4 Mini
BenchmarkGPT-4 Turboo4 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)Not measured78.4%Only o4 Mini measured
Humanity's Last Exam (Artificial Analysis run)3.1%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 prompts12511351o4 Mini
LMArena Text: expert12231343o4 Mini
LMArena Text: hard prompts in English12661366o4 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 GPT-4 Turbo and o4 Mini
BenchmarkGPT-4 Turboo4 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: math12721389o4 Mini
LMArena Text: mathematical work12681379o4 Mini
Neither model has a result on the other 2 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index16
Knowledge benchmarks for GPT-4 Turbo and o4 Mini
BenchmarkGPT-4 Turboo4 MiniLeader
MMLU ProNot measured80.6%Only o4 Mini measured
LegalBench (Vals AI)80.5%79.2%GPT-4 Turbo
CorpFin (Vals AI)Not measured59.0%Only o4 Mini measured
TaxEval (Vals AI)Not measured74.8%Only o4 Mini measured
MortgageTax (Vals AI)Not measured64.8%Only o4 Mini measured
MedQA (Vals AI)82.0%96.0%o4 Mini
MedCode (Vals AI)Not measured33.8%Only o4 Mini measured
MMLU Pro (Artificial Analysis run)69.4%83.2%o4 Mini
SimpleQA VerifiedNot measured19.6%Only o4 Mini measured
MMLU81.3%Not measuredOnly GPT-4 Turbo measured
GeoBenchNot measured64.0%Only o4 Mini measured
LMArena Text: science12561354o4 Mini
LMArena Text: medicine and healthcare12391361o4 Mini
LMArena Text: legal and government12651350o4 Mini
LMArena Text: business and finance12221325o4 Mini
Neither model has a result on the other 2 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index6 boards, none shared
Web design benchmarks for GPT-4 Turbo and o4 Mini
BenchmarkGPT-4 Turboo4 MiniLeader
Design Arena: websitesNot measured985Only o4 Mini measured
Design Arena: UI componentsNot measured983Only o4 Mini measured
Design Arena: game devNot measured1003Only o4 Mini measured
Design Arena: data vizNot measured990Only o4 Mini measured
Design Arena: 3DNot measured854Only o4 Mini measured
Design Arena: all code categoriesNot measured976Only o4 Mini measured
Neither model has a result on the other 3 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index022
General benchmarks for GPT-4 Turbo and o4 Mini
BenchmarkGPT-4 Turboo4 MiniLeader
SAGE (Vals AI)Not measured41.1%Only o4 Mini measured
MedScribe (Vals AI)Not measured69.1%Only o4 Mini measured
IFBenchNot measured68.7%Only o4 Mini measured
Long context reasoning (AA-LCR)Not measured61.0%Only o4 Mini measured
DTBench61.6%77.6%o4 Mini
LMCA9.8%26.5%o4 Mini
Fiction.LiveBenchNot measured77.8%Only o4 Mini measured
Creative writing (Lech Mazur)Not measured75.0%Only o4 Mini measured
LMArena Text12721353o4 Mini
LMArena Text: instruction following12491320o4 Mini
LMArena Text: creative writing12681294o4 Mini
LMArena Vision10901194o4 Mini
LMArena Text: English12911367o4 Mini
LMArena Text: non-English12451337o4 Mini
LMArena Text: Chinese12421354o4 Mini
LMArena Text: German12591336o4 Mini
LMArena Text: Japanese11941308o4 Mini
LMArena Text: Korean11871312o4 Mini
LMArena Text: French12761364o4 Mini
LMArena Text: Spanish12601346o4 Mini
LMArena Text: Russian12591334o4 Mini
LMArena Text: Polish13021358o4 Mini
LMArena Text: multi-turn12671350o4 Mini
LMArena Text: longer queries12541315o4 Mini
LMArena Text: writing and language12791316o4 Mini
LMArena Text: entertainment and media12581308o4 Mini
LMArena Vision: English10971200o4 Mini
LMArena Vision: Chinese10451218o4 Mini
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 13 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for GPT-4 Turbo and o4 Mini
BenchmarkGPT-4 Turboo4 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 Turbo$0.025Fits in one request
o4 Mini$0.0033Fits in one request

o4 Mini costs less

Repository review

50K input + 3K output tokens

GPT-4 Turbo$0.590Fits in one request
o4 Mini$0.068Fits in one request

o4 Mini costs less

Agent loop

200K input + 10K output tokens

GPT-4 Turbo$2.30Exceeds the context window
o4 Mini$0.264Exceeds the context window

o4 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 Turbo and o4 Mini
SpecificationOpenAI GPT-4 TurboOpenAI o4 Mini
MakerOpenAIOpenAI
WeightsNo public weights listedNo public weights listed
ReleasedApril 9, 2024April 16, 2025
Context window128K200K
Input $/Mtok$10.00$1.10
Output $/Mtok$30.00$4.40
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it00
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is GPT-4 Turbo better than o4 Mini for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick GPT-4 Turbo for work measured by LiveCodeBench (Artificial Analysis run) or LMArena Text: coding, where it leads.

Which is cheaper, GPT-4 Turbo or o4 Mini?

GPT-4 Turbo costs $10.00 per million input tokens and $30.00 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, GPT-4 Turbo or o4 Mini?

o4 Mini, with 200K tokens against 128K.

How many benchmarks is the GPT-4 Turbo vs o4 Mini comparison based on?

40 benchmarks have a result for both models as of October 21, 2026. GPT-4 Turbo's coding index rests on 0 independent benchmarks and o4 Mini's on 0. Where only one model has a result, the page says so instead of naming a winner.

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