Enter opens the highlighted result. Esc closes.

GPT-4.1 Mini vs MiMo-V2.5

MiMo-V2.5 leads GPT-4.1 Mini on the Artificial Analysis Intelligence Index, 21.8 to 10.2, and MiMo-V2.5 costs 4.8x less per output token ($0.336 vs $1.60 per million). Updated October 22, 2026; 59 benchmarks have a result for both.

Replace GPT-4.1 Mini Replace MiMo-V2.5
GPT-4.1 MiniOpenAI
Coding
No data
Overall
31.9
Output $/M
$1.60
2
MiMo-V2.5Xiaomi
Coding
50.0
Overall
50.7
Output $/M
$0.336
57
vs boards won of 59 shared

GPT-4.1 Mini or MiMo-V2.5: which to pick

Only MiMo-V2.5 has a coding score, 50.0 on the Vibe Coding Index; GPT-4.1 Mini has none, so the two cannot be ranked on coding.

Pick GPT-4.1 Mini for work measured by TaxEval (Vals AI) or MortgageTax (Vals AI), where it leads.

Model AGPT-4.1 MiniOpenAINot benchmarkedNo coding benchmark$1.818 per solved taskModel BMiMo-V2.5Xiaomi50.0/1003 independent benchmarks$0.01 per solved task
Shared results
59
GPT-4.1 Mini only
27
MiMo-V2.5 only
21
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 Mini not benchmarked, MiMo-V2.5 50.0 from 3 benchmarks.
Widest category
Agentic work, 37.7 points apart on average over 1 shared benchmark.
Widest single gap
Design Arena: 3D: GPT-4.1 Mini 836 against MiMo-V2.5 1215, 47.4 points apart on a 0 to 100 scale.
Output price
GPT-4.1 Mini $1.60 against MiMo-V2.5 $0.336 per million output tokens, 4.8x apart.
Context window
GPT-4.1 Mini takes 1.05M tokens, MiMo-V2.5 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
CategoryGPT-4.1 MiniBarsMiMo-V2.5Ties
Coding05
Intelligence01
Agentic work01
Reasoning09
Math02
Knowledge27
Web design06
General026
All shared boards257
CodingLike-for-likeSix of these boards feed the Vibe Coding Index05
Coding benchmarks for GPT-4.1 Mini and MiMo-V2.5
BenchmarkGPT-4.1 MiniMiMo-V2.5Leader
Aider polyglot32.4%Not measuredOnly GPT-4.1 Mini measured
SWE-bench Verified23.9%Not measuredOnly GPT-4.1 Mini measured
LMArena WebDevNot measured1438Only MiMo-V2.5 measured
AA Coding Index20.256.8MiMo-V2.5
LiveCodeBench (Vals AI)58.2%81.5%MiMo-V2.5
SWE-bench Verified (Vals AI)Not measured71.0%Only MiMo-V2.5 measured
Vibe Code Bench (Vals AI)Not measured42.2%Only MiMo-V2.5 measured
Code migration (Vals AI)Not measured14.2%Only MiMo-V2.5 measured
Terminal-Bench 2.1 (Vals AI)Not measured60.7%Only MiMo-V2.5 measured
LiveCodeBench (Artificial Analysis run)48.3%Not measuredOnly GPT-4.1 Mini measured
SciCodeNot measured43.9%Only MiMo-V2.5 measured
Terminal-Bench Hard (Artificial Analysis run)7.6%41.7%MiMo-V2.5
WeirdML37.6%Not measuredOnly GPT-4.1 Mini measured
ALE-BenchNot measured514.0Only MiMo-V2.5 measured
LMArena Text: coding13671469MiMo-V2.5
LMArena Text: software and IT13601463MiMo-V2.5
LMArena WebDev: ReactNot measured1425Only MiMo-V2.5 measured
LMArena WebDev: HTMLNot measured1429Only MiMo-V2.5 measured
Neither model has a result on the other 21 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for GPT-4.1 Mini and MiMo-V2.5
BenchmarkGPT-4.1 MiniMiMo-V2.5Leader
AA Intelligence Index10.221.8MiMo-V2.5
Epoch Capabilities Index134.9Not measuredOnly GPT-4.1 Mini measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index01
Agentic work benchmarks for GPT-4.1 Mini and MiMo-V2.5
BenchmarkGPT-4.1 MiniMiMo-V2.5Leader
AA Agentic IndexNot measured15.8Only MiMo-V2.5 measured
Finance Agent (Vals AI)Not measured36.7%Only MiMo-V2.5 measured
Tax Agent Bench (Vals AI)Not measured7.8%Only MiMo-V2.5 measured
Legal Research Bench (Vals AI)Not measured9.1%Only MiMo-V2.5 measured
Excel Modeling Benchmark (Vals AI)Not measured55.1%Only MiMo-V2.5 measured
τ²-Bench Telecom52.9%90.6%MiMo-V2.5
Berkeley Function Calling Leaderboard (BFCL)50.4%Not measuredOnly GPT-4.1 Mini measured
Neither model has a result on the other 34 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index09
Reasoning benchmarks for GPT-4.1 Mini and MiMo-V2.5
BenchmarkGPT-4.1 MiniMiMo-V2.5Leader
GPQA Diamond67.9%81.6%MiMo-V2.5
MMMU Pro (Vals AI)70.5%80.0%MiMo-V2.5
GPQA Diamond (Artificial Analysis run)66.4%84.9%MiMo-V2.5
Humanity's Last Exam (Artificial Analysis run)5.0%27.2%MiMo-V2.5
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 prompts13491450MiMo-V2.5
LMArena Text: expert13381459MiMo-V2.5
LMArena Text: hard prompts in English13621461MiMo-V2.5
LMArena Vision: diagrams11821269MiMo-V2.5
LMArena Vision: homework12141262MiMo-V2.5
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 MiMo-V2.5
BenchmarkGPT-4.1 MiniMiMo-V2.5Leader
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
ProofBenchNot measured16.0%Only MiMo-V2.5 measured
MATH level 587.3%Not measuredOnly GPT-4.1 Mini measured
LMArena Text: math13431436MiMo-V2.5
LMArena Text: mathematical work13471451MiMo-V2.5
Neither model has a result on the other 2 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index27
Knowledge benchmarks for GPT-4.1 Mini and MiMo-V2.5
BenchmarkGPT-4.1 MiniMiMo-V2.5Leader
MMLU Pro77.2%82.9%MiMo-V2.5
LegalBench (Vals AI)78.0%78.9%MiMo-V2.5
CorpFin (Vals AI)57.9%59.9%MiMo-V2.5
TaxEval (Vals AI)71.9%71.8%GPT-4.1 Mini
MortgageTax (Vals AI)65.5%59.3%GPT-4.1 Mini
MedQA (Vals AI)84.6%Not measuredOnly GPT-4.1 Mini measured
MedCode (Vals AI)Not measured31.9%Only MiMo-V2.5 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: science13281440MiMo-V2.5
LMArena Text: medicine and healthcare13241432MiMo-V2.5
LMArena Text: legal and government13431425MiMo-V2.5
LMArena Text: business and finance13221432MiMo-V2.5
Neither model has a result on the other 5 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index06
Web design benchmarks for GPT-4.1 Mini and MiMo-V2.5
BenchmarkGPT-4.1 MiniMiMo-V2.5Leader
Design Arena: websites9971265MiMo-V2.5
Design Arena: UI components9581255MiMo-V2.5
Design Arena: game dev10701249MiMo-V2.5
Design Arena: data viz10341250MiMo-V2.5
Design Arena: 3D8361215MiMo-V2.5
Design Arena: all code categories9931260MiMo-V2.5
Design Arena: SVGNot measured1179Only MiMo-V2.5 measured
Design Arena: ASCII artNot measured1140Only MiMo-V2.5 measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index026
General benchmarks for GPT-4.1 Mini and MiMo-V2.5
BenchmarkGPT-4.1 MiniMiMo-V2.5Leader
SAGE (Vals AI)Not measured43.3%Only MiMo-V2.5 measured
MedScribe (Vals AI)Not measured72.2%Only MiMo-V2.5 measured
Vals Multimodal IndexNot measured52.8%Only MiMo-V2.5 measured
IFBench38.3%67.1%MiMo-V2.5
Long context reasoning (AA-LCR)44.0%73.0%MiMo-V2.5
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 Text13411428MiMo-V2.5
LMArena Text: instruction following13331435MiMo-V2.5
LMArena Text: creative writing12991393MiMo-V2.5
LMArena Vision11811247MiMo-V2.5
LMArena Text: English13561447MiMo-V2.5
LMArena Text: non-English13181405MiMo-V2.5
LMArena Text: Chinese13291469MiMo-V2.5
LMArena Text: German13501421MiMo-V2.5
LMArena Text: Japanese12901306MiMo-V2.5
LMArena Text: Korean12981361MiMo-V2.5
LMArena Text: French13581448MiMo-V2.5
LMArena Text: Spanish13191414MiMo-V2.5
LMArena Text: Russian13241396MiMo-V2.5
LMArena Text: Polish13261413MiMo-V2.5
LMArena Text: multi-turn13541445MiMo-V2.5
LMArena Text: longer queries13441445MiMo-V2.5
LMArena Text: writing and language13191409MiMo-V2.5
LMArena Text: entertainment and media13001399MiMo-V2.5
LMArena Vision: English11911259MiMo-V2.5
LMArena Vision: Chinese11861326MiMo-V2.5
LMArena Vision: reading text11881256MiMo-V2.5
LMArena Vision: humor11821226MiMo-V2.5
LMArena Vision: captioning1174Not measuredOnly GPT-4.1 Mini measured
LMArena Vision: recognizing things11871189MiMo-V2.5
LMArena Vision: creative writing11821230MiMo-V2.5
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 Mini and MiMo-V2.5
BenchmarkGPT-4.1 MiniMiMo-V2.5Leader
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
MiMo-V2.5$0.0003Fits in one request

MiMo-V2.5 costs less

Repository review

50K input + 3K output tokens

GPT-4.1 Mini$0.025Fits in one request
MiMo-V2.5$0.0094Fits in one request

MiMo-V2.5 costs less

Agent loop

200K input + 10K output tokens

GPT-4.1 Mini$0.096Fits in one request
MiMo-V2.5$0.037Fits in one request

MiMo-V2.5 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 MiMo-V2.5
SpecificationOpenAI GPT-4.1 MiniXiaomi MiMo-V2.5
MakerOpenAIXiaomi
WeightsNo public weights listedOpen weights
ReleasedApril 14, 2025April 22, 2026
Context window1.05M1.05M
Input $/Mtok$0.40$0.168
Output $/Mtok$1.60$0.336
Coding indexNot benchmarked50.0
Independent measurements behind it03
Cost per solved task$1.818$0.01
SourceOpenRouter listingOpenRouter listing

Questions

Is GPT-4.1 Mini better than MiMo-V2.5 for coding?

Only MiMo-V2.5 has a coding score, 50.0 on the Vibe Coding Index; GPT-4.1 Mini has none, so the two cannot be ranked on coding. Pick GPT-4.1 Mini for work measured by TaxEval (Vals AI) or MortgageTax (Vals AI), where it leads.

Which is cheaper, GPT-4.1 Mini or MiMo-V2.5?

GPT-4.1 Mini costs $0.40 per million input tokens and $1.60 per million output tokens; MiMo-V2.5 costs $0.168 and $0.336. Per solved SWE-bench Verified task, GPT-4.1 Mini costs $1.818 and MiMo-V2.5 $0.01.

Which has the bigger context window, GPT-4.1 Mini or MiMo-V2.5?

MiMo-V2.5, with 1.05M tokens against 1.05M.

How many benchmarks is the GPT-4.1 Mini vs MiMo-V2.5 comparison based on?

59 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 MiMo-V2.5's on 3. Where only one model has a result, the page says so instead of naming a winner.

Compare next