LLMBenchmark.ai

Enter opens the highlighted result. Esc closes.

GPT-4.1 Mini vs Inkling

Updated October 21, 2026. 58 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 Inkling
GPT-4.1 MiniOpenAI
Coding
28.5
Overall
10.2
Output $/M
$1.60
2
T InklingThinking Machines
Coding
49.7
Overall
25.0
Output $/M
$4.05
56
vs boards won of 58 shared

Decision reading

Pick Inkling for coding: it scores 49.7 on the Vibe Coding Index against 28.5 for GPT-4.1 Mini.

Pick GPT-4.1 Mini when output tokens cost 2.5x less, or when the context window is larger, 1.05M against 524K tokens.

Model AGPT-4.1 MiniOpenAI28.5/1002 independent benchmarks$1.818 per solved taskModel BInklingThinking Machines49.7/1002 independent benchmarks$0.76 per solved task
Shared results
58
GPT-4.1 Mini only
26
Inkling only
44
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, Inkling 49.7 from 2 benchmarks.
Widest category
Math, 28.1 points apart on average over 4 shared benchmarks.
Widest single gap
ARC-AGI: GPT-4.1 Mini 3.5% against Inkling 79.5%, 76.0 points apart on a 0 to 100 scale.
Output price
GPT-4.1 Mini $1.60 against Inkling $4.05 per million output tokens, 2.5x apart.
Context window
GPT-4.1 Mini takes 1.05M tokens, Inkling 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 MiniBarsInklingTies
Coding14
Intelligence02
Reasoning011
Math04
Knowledge19
Web design06
General020
All shared boards256
CodingLike-for-likeFour of these boards feed the Vibe Coding Index14
Coding benchmarks for GPT-4.1 Mini and Inkling
BenchmarkGPT-4.1 MiniInklingLeader
Aider polyglot32.4%Not measuredOnly GPT-4.1 Mini measured
SWE-bench Verified23.9%Not measuredOnly GPT-4.1 Mini measured
LiveBench codingNot measured64.0%Only Inkling measured
LMArena WebDevNot measured1414Only Inkling measured
AA Coding Index20.252.1Inkling
LiveCodeBench (Vals AI)58.2%85.5%Inkling
SWE-bench Verified (Vals AI)Not measured77.6%Only Inkling measured
Terminal-Bench 4 (Vals AI)Not measured0.5%Only Inkling measured
Vibe Code Bench (Vals AI)Not measured19.2%Only Inkling measured
Code migration (Vals AI)Not measured11.8%Only Inkling measured
ProgramBench (Vals AI)Not measured0.0%Only Inkling measured
IOI (Vals AI)Not measured14.9%Only Inkling measured
Terminal-Bench 2.1 (Vals AI)Not measured47.6%Only Inkling measured
Vibe Code Bench 1-100 (Vals AI)Not measured7.3%Only Inkling measured
SkillsBench (Vals AI)Not measured26.1%Only Inkling measured
CyberBench (Vals AI)Not measured66.8%Only Inkling measured
LiveCodeBench (Artificial Analysis run)48.3%Not measuredOnly GPT-4.1 Mini measured
SciCodeNot measured47.0%Only Inkling measured
Terminal-Bench Hard (Artificial Analysis run)7.6%Not measuredOnly GPT-4.1 Mini measured
FrontierCodeNot measured14.0%Only Inkling measured
FrontierSWENot measured4.1%Only Inkling measured
WeirdML37.6%32.3%GPT-4.1 Mini
ALE-BenchNot measured946.0Only Inkling measured
LMArena Text: coding13671466Inkling
LMArena Text: software and IT13601465Inkling
LMArena WebDev: ReactNot measured1404Only Inkling measured
LMArena WebDev: HTMLNot measured1399Only Inkling measured
Neither model has a result on the other 11 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for GPT-4.1 Mini and Inkling
BenchmarkGPT-4.1 MiniInklingLeader
AA Intelligence Index10.225.0Inkling
Epoch Capabilities Index134.9148.4Inkling
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index13 boards, none shared
Agentic work benchmarks for GPT-4.1 Mini and Inkling
BenchmarkGPT-4.1 MiniInklingLeader
AA Agentic IndexNot measured22.5Only Inkling measured
Design Arena: agents building web appsNot measured1196Only Inkling measured
LiveBench researchNot measured59.9%Only Inkling measured
LiveBench browserNot measured16.0%Only Inkling measured
LiveBench long agenticNot measured14.1%Only Inkling measured
SREBench (Vals AI)Not measured0.0%Only Inkling measured
Finance Agent (Vals AI)Not measured46.6%Only Inkling measured
Tax Agent Bench (Vals AI)Not measured15.3%Only Inkling measured
Legal Research Bench (Vals AI)Not measured28.4%Only Inkling measured
Harvey's Legal Agent Benchmark (Vals AI)Not measured3.8%Only Inkling measured
Excel Modeling Benchmark (Vals AI)Not measured38.4%Only Inkling measured
τ²-Bench Telecom52.9%Not measuredOnly GPT-4.1 Mini measured
APEX-AgentsNot measured33.8%Only Inkling measured
Neither model has a result on the other 26 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index011
Reasoning benchmarks for GPT-4.1 Mini and Inkling
BenchmarkGPT-4.1 MiniInklingLeader
GPQA Diamond67.9%87.1%Inkling
LiveBench reasoningNot measured78.3%Only Inkling measured
MMMU Pro (Vals AI)70.5%78.5%Inkling
GPQA Diamond (Artificial Analysis run)66.4%87.2%Inkling
Humanity's Last Exam (Artificial Analysis run)5.0%31.9%Inkling
GPQA Diamond (Epoch AI run)65.8%88.3%Inkling
ARC-AGI3.5%79.5%Inkling
ARC-AGI-20.0%36.5%Inkling
SimpleBenchNot measured50.0%Only Inkling measured
Chess puzzles1.0%21.0%Inkling
Mystery game puzzles7.0%Not measuredOnly GPT-4.1 Mini measured
LMArena Text: hard prompts13491451Inkling
LMArena Text: expert13381466Inkling
LMArena Text: hard prompts in English13621448Inkling
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 index04
Math benchmarks for GPT-4.1 Mini and Inkling
BenchmarkGPT-4.1 MiniInklingLeader
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%88.9%Inkling
FrontierMath, tiers 1 to 36.7%33.3%Inkling
FrontierMath, tier 4Not measured4.9%Only Inkling measured
ProofBenchNot measured0.0%Only Inkling measured
MATH level 587.3%Not measuredOnly GPT-4.1 Mini measured
LMArena Text: math13431479Inkling
LMArena Text: mathematical work13471460Inkling
Neither model has a result on the other 1 board here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index19
Knowledge benchmarks for GPT-4.1 Mini and Inkling
BenchmarkGPT-4.1 MiniInklingLeader
MMLU Pro77.2%86.3%Inkling
LegalBench (Vals AI)78.0%83.0%Inkling
CorpFin (Vals AI)57.9%68.6%Inkling
TaxEval (Vals AI)71.9%75.3%Inkling
MortgageTax (Vals AI)65.5%64.0%GPT-4.1 Mini
MedQA (Vals AI)84.6%Not measuredOnly GPT-4.1 Mini measured
MedCode (Vals AI)Not measured41.2%Only Inkling measured
MMLU Pro (Artificial Analysis run)78.1%Not measuredOnly GPT-4.1 Mini measured
SimpleQA Verified12.7%40.3%Inkling
LMArena Text: science13281455Inkling
LMArena Text: medicine and healthcare13241447Inkling
LMArena Text: legal and government13431448Inkling
LMArena Text: business and finance13221438Inkling
Neither model has a result on the other 4 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index06
Web design benchmarks for GPT-4.1 Mini and Inkling
BenchmarkGPT-4.1 MiniInklingLeader
Design Arena: websites9971224Inkling
Design Arena: UI components9611200Inkling
Design Arena: game dev10711166Inkling
Design Arena: data viz10341160Inkling
Design Arena: 3D8371161Inkling
Design Arena: all code categories9941206Inkling
Design Arena: SVGNot measured1109Only Inkling measured
Design Arena: ASCII artNot measured1089Only Inkling measured
LiveBench designNot measured58.3%Only Inkling measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index020
General benchmarks for GPT-4.1 Mini and Inkling
BenchmarkGPT-4.1 MiniInklingLeader
Vals IndexNot measured29.0%Only Inkling measured
LiveBench data analysisNot measured72.8%Only Inkling measured
Public Benefits Bench (Vals AI)Not measured58.5%Only Inkling measured
SAGE (Vals AI)Not measured36.5%Only Inkling measured
MedScribe (Vals AI)Not measured85.4%Only Inkling measured
Vals Multimodal IndexNot measured49.4%Only Inkling measured
IFBench38.3%Not measuredOnly GPT-4.1 Mini measured
Long context reasoning (AA-LCR)44.0%77.3%Inkling
DTBench68.8%87.5%Inkling
LMCA21.1%37.6%Inkling
Fiction.LiveBench44.4%Not measuredOnly GPT-4.1 Mini measured
LMArena Text13411442Inkling
LMArena Text: instruction following13331425Inkling
LMArena Text: creative writing12991390Inkling
LMArena Vision1181Not measuredOnly GPT-4.1 Mini measured
LMArena Text: English13561442Inkling
LMArena Text: non-English13181434Inkling
LMArena Text: Chinese13291493Inkling
LMArena Text: German13501445Inkling
LMArena Text: Japanese12901429Inkling
LMArena Text: Korean12981403Inkling
LMArena Text: French13581455Inkling
LMArena Text: Spanish13191449Inkling
LMArena Text: Russian13241430Inkling
LMArena Text: Polish13261450Inkling
LMArena Text: multi-turn13541437Inkling
LMArena Text: longer queries13441435Inkling
LMArena Text: writing and language13191404Inkling
LMArena Text: entertainment and media13001394Inkling
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 10 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 Inkling
BenchmarkGPT-4.1 MiniInklingLeader
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
Inkling$0.0030Fits 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
Inkling$0.062Fits 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
Inkling$0.240Fits 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 GPT-4.1 Mini and Inkling
SpecificationOpenAI GPT-4.1 MiniThinking Machines Inkling
MakerOpenAIThinking Machines
WeightsNo public weights listedOpen weights
ReleasedApril 14, 2025July 17, 2026
Context window1.05M524K
Input $/Mtok$0.40$1.00
Output $/Mtok$1.60$4.05
Coding index28.549.7
Independent measurements behind it22
Cost per solved task$1.818$0.76
SourceOpenRouter listingOpenRouter listing

Questions

Is GPT-4.1 Mini better than Inkling for coding?

Pick Inkling for coding: it scores 49.7 on the Vibe Coding Index against 28.5 for GPT-4.1 Mini. Pick GPT-4.1 Mini when output tokens cost 2.5x less, or when the context window is larger, 1.05M against 524K tokens.

Which is cheaper, GPT-4.1 Mini or Inkling?

GPT-4.1 Mini costs $0.40 per million input tokens and $1.60 per million output tokens; Inkling costs $1.00 and $4.05. Per solved SWE-bench Verified task, GPT-4.1 Mini costs $1.818 and Inkling $0.76.

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

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

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

58 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 Inkling's on 2. Where only one model has a result, the page says so instead of naming a winner.

Compare next

Embed this comparison on your site

Free under CC BY 4.0, while the source link stays visible. Preview the frame · Terms and other embeds

<iframe src="https://llmbenchmark.ai/embed/compare/gpt-4-1-mini-vs-thinkingmachines-inkling" title="GPT-4.1 Mini vs Inkling, LLMBenchmark.ai" width="100%" height="360" style="border:0;max-width:100%" loading="lazy"></iframe>
<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Source: <a href="https://llmbenchmark.ai/compare/gpt-4-1-mini-vs-thinkingmachines-inkling">LLMBenchmark.ai, GPT-4.1 Mini vs Inkling</a></p>