Enter opens the highlighted result. Esc closes.

GPT-4.1 Mini vs Solar Pro 4

Solar Pro 4 leads GPT-4.1 Mini on the Artificial Analysis Intelligence Index, 28.2 to 10.2, and Solar Pro 4 costs 2.7x less per output token ($0.60 vs $1.60 per million). Updated October 22, 2026; 39 benchmarks have a result for both.

Replace GPT-4.1 Mini Replace Solar Pro 4
GPT-4.1 MiniOpenAI
Coding
No data
Overall
31.9
Output $/M
$1.60
1
Solar Pro 4Upstage
Coding
No data
Overall
No data
Output $/M
$0.60
38
vs boards won of 39 shared

GPT-4.1 Mini or Solar Pro 4: which to pick

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

Pick GPT-4.1 Mini for a larger context window (1.05M against 524K tokens) and work measured by AA Coding Index or LMArena Text: coding, where it leads.

Model AGPT-4.1 MiniOpenAINot benchmarkedNo coding benchmark$1.818 per solved taskModel BSolar Pro 4UpstageNot benchmarked1 independent benchmarkNo cost per solved task
Shared results
39
GPT-4.1 Mini only
47
Solar Pro 4 only
6
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, Solar Pro 4 not benchmarked.
Widest category
Web design, 23.8 points apart on average over 6 shared benchmarks.
Widest single gap
Design Arena: 3D: GPT-4.1 Mini 836 against Solar Pro 4 1178, 42.8 points apart on a 0 to 100 scale.
Output price
GPT-4.1 Mini $1.60 against Solar Pro 4 $0.60 per million output tokens, 2.7x apart.
Context window
GPT-4.1 Mini takes 1.05M tokens, Solar Pro 4 524K.

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 MiniBarsSolar Pro 4Ties
Coding03
Intelligence01
Reasoning05
Math02
Knowledge04
Web design06
General117
All shared boards138
CodingLike-for-likeSix of these boards feed the Vibe Coding Index03
Coding benchmarks for GPT-4.1 Mini and Solar Pro 4
BenchmarkGPT-4.1 MiniSolar Pro 4Leader
Aider polyglot32.4%Not measuredOnly GPT-4.1 Mini measured
SWE-bench Verified23.9%Not measuredOnly GPT-4.1 Mini measured
LMArena WebDevNot measured1371Only Solar Pro 4 measured
AA Coding Index20.252.7Solar Pro 4
LiveCodeBench (Vals AI)58.2%Not measuredOnly GPT-4.1 Mini measured
LiveCodeBench (Artificial Analysis run)48.3%Not measuredOnly GPT-4.1 Mini measured
SciCodeNot measured48.0%Only Solar Pro 4 measured
Terminal-Bench Hard (Artificial Analysis run)7.6%Not measuredOnly GPT-4.1 Mini measured
WeirdML37.6%Not measuredOnly GPT-4.1 Mini measured
ALE-BenchNot measured179.3Only Solar Pro 4 measured
LMArena Text: coding13671438Solar Pro 4
LMArena Text: software and IT13601431Solar Pro 4
LMArena WebDev: ReactNot measured1363Only Solar Pro 4 measured
LMArena WebDev: HTMLNot measured1371Only Solar Pro 4 measured
Neither model has a result on the other 25 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for GPT-4.1 Mini and Solar Pro 4
BenchmarkGPT-4.1 MiniSolar Pro 4Leader
AA Intelligence Index10.228.2Solar Pro 4
Epoch Capabilities Index134.9Not measuredOnly GPT-4.1 Mini measured
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index3 boards, none shared
Agentic work benchmarks for GPT-4.1 Mini and Solar Pro 4
BenchmarkGPT-4.1 MiniSolar Pro 4Leader
Design Arena: agents building web appsNot measured1105Only Solar Pro 4 measured
τ²-Bench Telecom52.9%Not measuredOnly GPT-4.1 Mini measured
Berkeley Function Calling Leaderboard (BFCL)50.4%Not measuredOnly GPT-4.1 Mini measured
Neither model has a result on the other 38 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index05
Reasoning benchmarks for GPT-4.1 Mini and Solar Pro 4
BenchmarkGPT-4.1 MiniSolar Pro 4Leader
GPQA Diamond67.9%Not measuredOnly GPT-4.1 Mini measured
MMMU Pro (Vals AI)70.5%Not measuredOnly GPT-4.1 Mini measured
GPQA Diamond (Artificial Analysis run)66.4%89.1%Solar Pro 4
Humanity's Last Exam (Artificial Analysis run)5.0%29.8%Solar Pro 4
GPQA Diamond (Epoch AI run)65.8%Not measuredOnly GPT-4.1 Mini measured
ARC-AGI3.5%Not measuredOnly GPT-4.1 Mini measured
ARC-AGI-20.0%Not measuredOnly GPT-4.1 Mini measured
Chess puzzles1.0%Not measuredOnly GPT-4.1 Mini measured
Mystery game puzzles7.0%Not measuredOnly GPT-4.1 Mini measured
LMArena Text: hard prompts13491400Solar Pro 4
LMArena Text: expert13381428Solar Pro 4
LMArena Text: hard prompts in English13621427Solar Pro 4
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 7 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index02
Math benchmarks for GPT-4.1 Mini and Solar Pro 4
BenchmarkGPT-4.1 MiniSolar Pro 4Leader
AIME49.4%Not measuredOnly GPT-4.1 Mini measured
MATH 500 (Vals AI)88.0%Not measuredOnly GPT-4.1 Mini measured
MGSM (Vals AI)87.8%Not measuredOnly GPT-4.1 Mini measured
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%Not measuredOnly GPT-4.1 Mini measured
FrontierMath, tiers 1 to 36.7%Not measuredOnly GPT-4.1 Mini measured
MATH level 587.3%Not measuredOnly GPT-4.1 Mini measured
LMArena Text: math13431421Solar Pro 4
LMArena Text: mathematical work13471427Solar Pro 4
Neither model has a result on the other 3 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index04
Knowledge benchmarks for GPT-4.1 Mini and Solar Pro 4
BenchmarkGPT-4.1 MiniSolar Pro 4Leader
MMLU Pro77.2%Not measuredOnly GPT-4.1 Mini measured
LegalBench (Vals AI)78.0%Not measuredOnly GPT-4.1 Mini measured
CorpFin (Vals AI)57.9%Not measuredOnly GPT-4.1 Mini measured
TaxEval (Vals AI)71.9%Not measuredOnly GPT-4.1 Mini measured
MortgageTax (Vals AI)65.5%Not measuredOnly GPT-4.1 Mini measured
MedQA (Vals AI)84.6%Not measuredOnly GPT-4.1 Mini measured
MMLU Pro (Artificial Analysis run)78.1%Not measuredOnly GPT-4.1 Mini measured
SimpleQA Verified12.7%Not measuredOnly GPT-4.1 Mini measured
LMArena Text: science13281404Solar Pro 4
LMArena Text: medicine and healthcare13241374Solar Pro 4
LMArena Text: legal and government13431383Solar Pro 4
LMArena Text: business and finance13221381Solar Pro 4
Neither model has a result on the other 6 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index06
Web design benchmarks for GPT-4.1 Mini and Solar Pro 4
BenchmarkGPT-4.1 MiniSolar Pro 4Leader
Design Arena: websites9971176Solar Pro 4
Design Arena: UI components9581147Solar Pro 4
Design Arena: game dev10701169Solar Pro 4
Design Arena: data viz10341177Solar Pro 4
Design Arena: 3D8361178Solar Pro 4
Design Arena: all code categories9931182Solar Pro 4
Neither model has a result on the other 3 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index117
General benchmarks for GPT-4.1 Mini and Solar Pro 4
BenchmarkGPT-4.1 MiniSolar Pro 4Leader
IFBench38.3%Not measuredOnly GPT-4.1 Mini measured
Long context reasoning (AA-LCR)44.0%70.7%Solar Pro 4
DTBench68.8%Not measuredOnly GPT-4.1 Mini measured
LMCA21.1%Not measuredOnly GPT-4.1 Mini measured
Fiction.LiveBench44.4%Not measuredOnly GPT-4.1 Mini measured
LMArena Text13411388Solar Pro 4
LMArena Text: instruction following13331375Solar Pro 4
LMArena Text: creative writing12991317Solar Pro 4
LMArena Vision1181Not measuredOnly GPT-4.1 Mini measured
LMArena Text: English13561414Solar Pro 4
LMArena Text: non-English13181363Solar Pro 4
LMArena Text: Chinese13291422Solar Pro 4
LMArena Text: German13501358Solar Pro 4
LMArena Text: Japanese12901320Solar Pro 4
LMArena Text: Korean12981383Solar Pro 4
LMArena Text: French13581400Solar Pro 4
LMArena Text: Spanish13191409Solar Pro 4
LMArena Text: Russian13241357Solar Pro 4
LMArena Text: Polish13261304GPT-4.1 Mini
LMArena Text: multi-turn13541385Solar Pro 4
LMArena Text: longer queries13441382Solar Pro 4
LMArena Text: writing and language13191344Solar Pro 4
LMArena Text: entertainment and media13001332Solar Pro 4
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 16 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 Solar Pro 4
BenchmarkGPT-4.1 MiniSolar Pro 4Leader
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
Solar Pro 4$0.0004Fits in one request

Solar Pro 4 costs less

Repository review

50K input + 3K output tokens

GPT-4.1 Mini$0.025Fits in one request
Solar Pro 4$0.0093Fits in one request

Solar Pro 4 costs less

Agent loop

200K input + 10K output tokens

GPT-4.1 Mini$0.096Fits in one request
Solar Pro 4$0.036Fits in one request

Solar Pro 4 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 Solar Pro 4
SpecificationOpenAI GPT-4.1 MiniUpstage Solar Pro 4
MakerOpenAIUpstage
WeightsNo public weights listedNo public weights listed
ReleasedApril 14, 2025August 10, 2026
Context window1.05M524K
Input $/Mtok$0.40$0.15
Output $/Mtok$1.60$0.60
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it01
Cost per solved task$1.818Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is GPT-4.1 Mini better than Solar Pro 4 for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick GPT-4.1 Mini for a larger context window (1.05M against 524K tokens) and work measured by AA Coding Index or LMArena Text: coding, where it leads.

Which is cheaper, GPT-4.1 Mini or Solar Pro 4?

GPT-4.1 Mini costs $0.40 per million input tokens and $1.60 per million output tokens; Solar Pro 4 costs $0.15 and $0.60. Cost per solved task is known for GPT-4.1 Mini only.

Which has the bigger context window, GPT-4.1 Mini or Solar Pro 4?

GPT-4.1 Mini, with 1.05M tokens against 524K.

How many benchmarks is the GPT-4.1 Mini vs Solar Pro 4 comparison based on?

39 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 Solar Pro 4's on 1. Where only one model has a result, the page says so instead of naming a winner.

Compare next