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Gemini 2.5 Pro vs GPT-4.1 Mini

Updated October 21, 2026. 68 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace Gemini 2.5 Pro Replace GPT-4.1 Mini
Gemini 2.5 ProGoogle
Coding
37.0
Overall
16.1
Output $/M
$10.00
68
GPT-4.1 MiniOpenAI
Coding
28.5
Overall
10.2
Output $/M
$1.60
0
vs boards won of 68 shared

Decision reading

Pick Gemini 2.5 Pro for coding: it scores 37.0 on the Vibe Coding Index against 28.5 for GPT-4.1 Mini.

Pick GPT-4.1 Mini when output tokens cost 6.3x less.

Model AGemini 2.5 ProGoogle37.0/1002 independent benchmarks$0.64 per solved taskModel BGPT-4.1 MiniOpenAI28.5/1002 independent benchmarks$1.818 per solved task
Shared results
68
Gemini 2.5 Pro only
19
GPT-4.1 Mini only
16
Like-for-like categories
8 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
Gemini 2.5 Pro 37.0 from 2 benchmarks, GPT-4.1 Mini 28.5 from 2 benchmarks.
Widest category
Math, 29.4 points apart on average over 6 shared benchmarks.
Widest single gap
AA Math Index: Gemini 2.5 Pro 87.7 against GPT-4.1 Mini 46.3, 41.4 points apart on a 0 to 100 scale.
Output price
Gemini 2.5 Pro $10.00 against GPT-4.1 Mini $1.60 per million output tokens, 6.3x apart.
Context window
Gemini 2.5 Pro takes 1.05M tokens, GPT-4.1 Mini 1.05M.

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
CategoryGemini 2.5 ProBarsGPT-4.1 MiniTies
Coding70
Intelligence20
Agentic work10
Reasoning100
Math60
Knowledge70
Web design60
General290
All shared boards680
CodingLike-for-likeFour of these boards feed the Vibe Coding Index70
Coding benchmarks for Gemini 2.5 Pro and GPT-4.1 Mini
BenchmarkGemini 2.5 ProGPT-4.1 MiniLeader
Aider polyglotNot measured32.4%Only GPT-4.1 Mini measured
SWE-bench Verified53.6%23.9%Gemini 2.5 Pro
LMArena WebDev1226Not measuredOnly Gemini 2.5 Pro measured
AA Coding Index33.320.2Gemini 2.5 Pro
LiveCodeBench (Vals AI)Not measured58.2%Only GPT-4.1 Mini measured
SWE-bench Verified (Vals AI)54.4%Not measuredOnly Gemini 2.5 Pro measured
Vibe Code Bench (Vals AI)0.4%Not measuredOnly Gemini 2.5 Pro measured
LiveCodeBench (Artificial Analysis run)80.1%48.3%Gemini 2.5 Pro
SciCode46.3%Not measuredOnly Gemini 2.5 Pro measured
Terminal-Bench Hard (Artificial Analysis run)26.5%7.6%Gemini 2.5 Pro
Terminal-Bench32.6%Not measuredOnly Gemini 2.5 Pro measured
GSO-Bench3.9%Not measuredOnly Gemini 2.5 Pro measured
WeirdML54.0%37.6%Gemini 2.5 Pro
LMArena Text: coding14521367Gemini 2.5 Pro
LMArena Text: software and IT14591360Gemini 2.5 Pro
LMArena WebDev: HTML1235Not measuredOnly Gemini 2.5 Pro measured
LMArena WebDev: from an image1285Not measuredOnly Gemini 2.5 Pro measured
Neither model has a result on the other 21 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
Intelligence benchmarks for Gemini 2.5 Pro and GPT-4.1 Mini
BenchmarkGemini 2.5 ProGPT-4.1 MiniLeader
AA Intelligence Index16.110.2Gemini 2.5 Pro
Epoch Capabilities Index145.1134.9Gemini 2.5 Pro
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
Agentic work benchmarks for Gemini 2.5 Pro and GPT-4.1 Mini
BenchmarkGemini 2.5 ProGPT-4.1 MiniLeader
AA Agentic Index1.6Not measuredOnly Gemini 2.5 Pro measured
τ²-Bench Telecom54.1%52.9%Gemini 2.5 Pro
GDPval23.3%Not measuredOnly Gemini 2.5 Pro measured
DeepResearch Bench41.5%Not measuredOnly Gemini 2.5 Pro measured
Vending-Bench 2$574Not measuredOnly Gemini 2.5 Pro measured
Neither model has a result on the other 34 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index100
Reasoning benchmarks for Gemini 2.5 Pro and GPT-4.1 Mini
BenchmarkGemini 2.5 ProGPT-4.1 MiniLeader
GPQA DiamondNot measured67.9%Only GPT-4.1 Mini measured
MMMU Pro (Vals AI)Not measured70.5%Only GPT-4.1 Mini measured
GPQA Diamond (Artificial Analysis run)84.4%66.4%Gemini 2.5 Pro
Humanity's Last Exam (Artificial Analysis run)22.5%5.0%Gemini 2.5 Pro
GPQA Diamond (Epoch AI run)85.3%65.8%Gemini 2.5 Pro
ARC-AGI41.0%3.5%Gemini 2.5 Pro
ARC-AGI-24.9%0.0%Gemini 2.5 Pro
Chess puzzlesNot measured1.0%Only GPT-4.1 Mini measured
Mystery game puzzlesNot measured7.0%Only GPT-4.1 Mini measured
LMArena Text: hard prompts14551349Gemini 2.5 Pro
LMArena Text: expert14521338Gemini 2.5 Pro
LMArena Text: hard prompts in English14531362Gemini 2.5 Pro
LMArena Vision: diagrams12741182Gemini 2.5 Pro
LMArena Vision: homework12811214Gemini 2.5 Pro
Neither model has a result on the other 7 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index60
Math benchmarks for Gemini 2.5 Pro and GPT-4.1 Mini
BenchmarkGemini 2.5 ProGPT-4.1 MiniLeader
AIMENot measured49.4%Only GPT-4.1 Mini measured
MATH 500 (Vals AI)Not measured88.0%Only GPT-4.1 Mini measured
MGSM (Vals AI)Not measured87.8%Only GPT-4.1 Mini measured
AA Math Index87.746.3Gemini 2.5 Pro
AIME 2025 (Artificial Analysis run)87.7%46.3%Gemini 2.5 Pro
OTIS Mock AIME84.7%44.7%Gemini 2.5 Pro
FrontierMath, tiers 1 to 324.6%6.7%Gemini 2.5 Pro
FrontierMath, tier 40.0%Not measuredOnly Gemini 2.5 Pro measured
MATH level 5Not measured87.3%Only GPT-4.1 Mini measured
LMArena Text: math14501343Gemini 2.5 Pro
LMArena Text: mathematical work14541347Gemini 2.5 Pro
Neither model has a result on the other 2 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index70
Knowledge benchmarks for Gemini 2.5 Pro and GPT-4.1 Mini
BenchmarkGemini 2.5 ProGPT-4.1 MiniLeader
MMLU ProNot measured77.2%Only GPT-4.1 Mini measured
LegalBench (Vals AI)Not measured78.0%Only GPT-4.1 Mini measured
CaseLaw (Vals AI)63.9%Not measuredOnly Gemini 2.5 Pro measured
CorpFin (Vals AI)60.8%57.9%Gemini 2.5 Pro
TaxEval (Vals AI)Not measured71.9%Only GPT-4.1 Mini measured
MortgageTax (Vals AI)68.9%65.5%Gemini 2.5 Pro
MedQA (Vals AI)Not measured84.6%Only GPT-4.1 Mini measured
MedCode (Vals AI)50.6%Not measuredOnly Gemini 2.5 Pro measured
MMLU Pro (Artificial Analysis run)86.2%78.1%Gemini 2.5 Pro
SimpleQA VerifiedNot measured12.7%Only GPT-4.1 Mini measured
LMArena Text: science14801328Gemini 2.5 Pro
LMArena Text: medicine and healthcare14761324Gemini 2.5 Pro
LMArena Text: legal and government14801343Gemini 2.5 Pro
LMArena Text: business and finance14391322Gemini 2.5 Pro
Neither model has a result on the other 3 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index60
Web design benchmarks for Gemini 2.5 Pro and GPT-4.1 Mini
BenchmarkGemini 2.5 ProGPT-4.1 MiniLeader
Design Arena: websites1167997Gemini 2.5 Pro
Design Arena: UI components1139961Gemini 2.5 Pro
Design Arena: game dev11121071Gemini 2.5 Pro
Design Arena: data viz12221034Gemini 2.5 Pro
Design Arena: 3D1080837Gemini 2.5 Pro
Design Arena: all code categories1152994Gemini 2.5 Pro
Neither model has a result on the other 3 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index290
General benchmarks for Gemini 2.5 Pro and GPT-4.1 Mini
BenchmarkGemini 2.5 ProGPT-4.1 MiniLeader
SAGE (Vals AI)41.9%Not measuredOnly Gemini 2.5 Pro measured
MedScribe (Vals AI)73.5%Not measuredOnly Gemini 2.5 Pro measured
IFBench48.7%38.3%Gemini 2.5 Pro
Long context reasoning (AA-LCR)69.0%44.0%Gemini 2.5 Pro
DTBench82.4%68.8%Gemini 2.5 Pro
LMCA34.8%21.1%Gemini 2.5 Pro
Fiction.LiveBenchNot measured44.4%Only GPT-4.1 Mini measured
Creative writing (Lech Mazur)83.8%Not measuredOnly Gemini 2.5 Pro measured
LMArena Text14581341Gemini 2.5 Pro
LMArena Text: instruction following14371333Gemini 2.5 Pro
LMArena Text: creative writing14541299Gemini 2.5 Pro
LMArena Vision12631181Gemini 2.5 Pro
LMArena Text: English14581356Gemini 2.5 Pro
LMArena Text: non-English14521318Gemini 2.5 Pro
LMArena Text: Chinese15071329Gemini 2.5 Pro
LMArena Text: German14871350Gemini 2.5 Pro
LMArena Text: Japanese14611290Gemini 2.5 Pro
LMArena Text: Korean14341298Gemini 2.5 Pro
LMArena Text: French14731358Gemini 2.5 Pro
LMArena Text: Spanish14741319Gemini 2.5 Pro
LMArena Text: Russian14611324Gemini 2.5 Pro
LMArena Text: Polish14791326Gemini 2.5 Pro
LMArena Text: multi-turn14531354Gemini 2.5 Pro
LMArena Text: longer queries14491344Gemini 2.5 Pro
LMArena Text: writing and language14541319Gemini 2.5 Pro
LMArena Text: entertainment and media14411300Gemini 2.5 Pro
LMArena Vision: English12611191Gemini 2.5 Pro
LMArena Vision: Chinese13001186Gemini 2.5 Pro
LMArena Vision: reading text12701188Gemini 2.5 Pro
LMArena Vision: humor12621182Gemini 2.5 Pro
LMArena Vision: captioning13041174Gemini 2.5 Pro
LMArena Vision: recognizing things12831187Gemini 2.5 Pro
LMArena Vision: creative writing12651182Gemini 2.5 Pro
LMArena Document1421Not measuredOnly Gemini 2.5 Pro measured
Neither model has a result on the other 12 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Gemini 2.5 Pro and GPT-4.1 Mini
BenchmarkGemini 2.5 ProGPT-4.1 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

Gemini 2.5 Pro$0.0063Fits in one request
GPT-4.1 Mini$0.0012Fits in one request

GPT-4.1 Mini costs less

Repository review

50K input + 3K output tokens

Gemini 2.5 Pro$0.092Fits in one request
GPT-4.1 Mini$0.025Fits in one request

GPT-4.1 Mini costs less

Agent loop

200K input + 10K output tokens

Gemini 2.5 Pro$0.350Fits in one request
GPT-4.1 Mini$0.096Fits in one request

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 Gemini 2.5 Pro and GPT-4.1 Mini
SpecificationGoogle Gemini 2.5 ProOpenAI GPT-4.1 Mini
MakerGoogleOpenAI
WeightsNo public weights listedNo public weights listed
ReleasedJune 17, 2025April 14, 2025
Context window1.05M1.05M
Input $/Mtok$1.25$0.40
Output $/Mtok$10.00$1.60
Coding index37.028.5
Independent measurements behind it22
Cost per solved task$0.64$1.818
SourceOpenRouter listingOpenRouter listing

Questions

Is Gemini 2.5 Pro better than GPT-4.1 Mini for coding?

Pick Gemini 2.5 Pro for coding: it scores 37.0 on the Vibe Coding Index against 28.5 for GPT-4.1 Mini. Pick GPT-4.1 Mini when output tokens cost 6.3x less.

Which is cheaper, Gemini 2.5 Pro or GPT-4.1 Mini?

Gemini 2.5 Pro costs $1.25 per million input tokens and $10.00 per million output tokens; GPT-4.1 Mini costs $0.40 and $1.60. Per solved SWE-bench Verified task, Gemini 2.5 Pro costs $0.64 and GPT-4.1 Mini $1.818.

Which has the bigger context window, Gemini 2.5 Pro or GPT-4.1 Mini?

Gemini 2.5 Pro, with 1.05M tokens against 1.05M.

How many benchmarks is the Gemini 2.5 Pro vs GPT-4.1 Mini comparison based on?

68 benchmarks have a result for both models as of October 21, 2026. Gemini 2.5 Pro's coding index rests on 2 independent benchmarks and GPT-4.1 Mini's on 2. Where only one model has a result, the page says so instead of naming a winner.

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