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MiniMax M2 vs o3 Mini

MiniMax M2 leads o3 Mini on the Artificial Analysis Intelligence Index, 18.6 to 12.5, and MiniMax M2 costs 4.3x less per output token ($1.02 vs $4.40 per million). Updated October 22, 2026; 36 benchmarks have a result for both.

Replace MiniMax M2 Replace o3 Mini
MiniMax M2MiniMax
Coding
No data
Overall
No data
Output $/M
$1.02
26
o3 MiniOpenAI
Coding
No data
Overall
38.0
Output $/M
$4.40
10
vs boards won of 36 shared

MiniMax M2 or o3 Mini: which to pick

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

Pick MiniMax M2 for output tokens 4.3x cheaper ($1.02 vs $4.40 per million) and a larger context window (205K against 200K tokens).

Model AMiniMax M2MiniMaxNot benchmarked1 independent benchmark$0.702 per solved taskModel Bo3 MiniOpenAINot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
36
MiniMax M2 only
14
o3 Mini only
35
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
MiniMax M2 not benchmarked, o3 Mini not benchmarked.
Widest category
Agentic work, 55.6 points apart on average over 1 shared benchmark.
Widest single gap
τ²-Bench Telecom: MiniMax M2 86.8% against o3 Mini 31.3%, 55.6 points apart on a 0 to 100 scale.
Output price
MiniMax M2 $1.02 against o3 Mini $4.40 per million output tokens, 4.3x apart.
Context window
MiniMax M2 takes 205K tokens, o3 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
CategoryMiniMax M2Barso3 MiniTies
Coding41
Intelligence10
Agentic work10
Reasoning32
Math02
Knowledge50
General125
All shared boards2610
CodingLike-for-likeSix of these boards feed the Vibe Coding Index41
Coding benchmarks for MiniMax M2 and o3 Mini
BenchmarkMiniMax M2o3 MiniLeader
Aider polyglotNot measured60.4%Only o3 Mini measured
SWE-bench Verified61.0%42.4%MiniMax M2
SWE-bench LiteNot measured32.3%Only o3 Mini measured
LMArena WebDev1297Not measuredOnly MiniMax M2 measured
LiveCodeBench (Vals AI)Not measured71.5%Only o3 Mini measured
LiveCodeBench (Artificial Analysis run)82.6%73.4%MiniMax M2
SciCodeNot measured42.8%Only o3 Mini measured
Terminal-Bench Hard (Artificial Analysis run)25.8%6.8%MiniMax M2
Terminal-Bench30.0%Not measuredOnly MiniMax M2 measured
GSO-BenchNot measured1.3%Only o3 Mini measured
WeirdMLNot measured43.7%Only o3 Mini measured
CybenchNot measured22.5%Only o3 Mini measured
LMArena Text: coding13711378o3 Mini
LMArena Text: software and IT13731364MiniMax M2
LMArena WebDev: HTML1306Not measuredOnly MiniMax M2 measured
SciCodeNot measured7.7%Only o3 Mini measured
Neither model has a result on the other 23 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for MiniMax M2 and o3 Mini
BenchmarkMiniMax M2o3 MiniLeader
AA Intelligence Index18.612.5MiniMax M2
Epoch Capabilities IndexNot measured140.2Only o3 Mini measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
Agentic work benchmarks for MiniMax M2 and o3 Mini
BenchmarkMiniMax M2o3 MiniLeader
τ²-Bench Telecom86.8%31.3%MiniMax M2
Vending-Bench 2$161Not measuredOnly MiniMax M2 measured
Neither model has a result on the other 39 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index32
Reasoning benchmarks for MiniMax M2 and o3 Mini
BenchmarkMiniMax M2o3 MiniLeader
GPQA DiamondNot measured75.5%Only o3 Mini measured
GPQA Diamond (Artificial Analysis run)77.7%77.3%MiniMax M2
Humanity's Last Exam (Artificial Analysis run)13.7%12.0%MiniMax M2
GPQA Diamond (Epoch AI run)Not measured77.0%Only o3 Mini measured
ARC-AGINot measured34.5%Only o3 Mini measured
ARC-AGI-2Not measured3.0%Only o3 Mini measured
SimpleBenchNot measured22.8%Only o3 Mini measured
Chess puzzlesNot measured15.0%Only o3 Mini measured
Mystery game puzzlesNot measured7.0%Only o3 Mini measured
LMArena Text: hard prompts13571365o3 Mini
LMArena Text: expert13381364o3 Mini
LMArena Text: hard prompts in English13761375MiniMax M2
Kagi LLM Benchmark57.8%Not measuredOnly MiniMax M2 measured
Neither model has a result on the other 9 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index02
Math benchmarks for MiniMax M2 and o3 Mini
BenchmarkMiniMax M2o3 MiniLeader
AIMENot measured86.5%Only o3 Mini measured
MATH 500 (Vals AI)Not measured91.8%Only o3 Mini measured
MGSM (Vals AI)Not measured91.3%Only o3 Mini measured
AA Math Index78.3Not measuredOnly MiniMax M2 measured
AIME 2025 (Artificial Analysis run)78.3%Not measuredOnly MiniMax M2 measured
OTIS Mock AIMENot measured76.9%Only o3 Mini measured
FrontierMath, tiers 1 to 3Not measured18.6%Only o3 Mini measured
FrontierMath, tier 4Not measured0.0%Only o3 Mini measured
MATH level 5Not measured96.5%Only o3 Mini measured
LMArena Text: math13511396o3 Mini
LMArena Text: mathematical work13681399o3 Mini
Neither model has a result on the other 2 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index50
Knowledge benchmarks for MiniMax M2 and o3 Mini
BenchmarkMiniMax M2o3 MiniLeader
MMLU ProNot measured78.7%Only o3 Mini measured
LegalBench (Vals AI)Not measured71.5%Only o3 Mini measured
CorpFin (Vals AI)Not measured45.3%Only o3 Mini measured
TaxEval (Vals AI)Not measured69.4%Only o3 Mini measured
MedQA (Vals AI)Not measured94.8%Only o3 Mini measured
MMLU Pro (Artificial Analysis run)82.0%80.2%MiniMax M2
SimpleQA VerifiedNot measured15.3%Only o3 Mini measured
LMArena Text: science13481339MiniMax M2
LMArena Text: medicine and healthcare13671330MiniMax M2
LMArena Text: legal and government13491328MiniMax M2
LMArena Text: business and finance13361313MiniMax M2
Neither model has a result on the other 7 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index7 boards, none shared
Web design benchmarks for MiniMax M2 and o3 Mini
BenchmarkMiniMax M2o3 MiniLeader
Design Arena: websites1143Not measuredOnly MiniMax M2 measured
Design Arena: UI components1137Not measuredOnly MiniMax M2 measured
Design Arena: game dev1118Not measuredOnly MiniMax M2 measured
Design Arena: data viz1140Not measuredOnly MiniMax M2 measured
Design Arena: 3D1098Not measuredOnly MiniMax M2 measured
Design Arena: all code categories1135Not measuredOnly MiniMax M2 measured
Design Arena: SVG1100Not measuredOnly MiniMax M2 measured
Neither model has a result on the other 2 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index125
General benchmarks for MiniMax M2 and o3 Mini
BenchmarkMiniMax M2o3 MiniLeader
IFBench72.3%67.1%MiniMax M2
Long context reasoning (AA-LCR)64.3%43.0%MiniMax M2
DTBenchNot measured68.8%Only o3 Mini measured
LMCANot measured19.0%Only o3 Mini measured
Fiction.LiveBenchNot measured50.0%Only o3 Mini measured
Creative writing (Lech Mazur)Not measured61.7%Only o3 Mini measured
LMArena Text13401337MiniMax M2
LMArena Text: instruction following13291337o3 Mini
LMArena Text: creative writing12861286MiniMax M2
LMArena Text: English13641351MiniMax M2
LMArena Text: non-English13131319o3 Mini
LMArena Text: Chinese13661379o3 Mini
LMArena Text: German13571303MiniMax M2
LMArena Text: JapaneseNot measured1286Only o3 Mini measured
LMArena Text: KoreanNot measured1313Only o3 Mini measured
LMArena Text: French13361334MiniMax M2
LMArena Text: Spanish13261321MiniMax M2
LMArena Text: Russian13301304MiniMax M2
LMArena Text: Polish13121294MiniMax M2
LMArena Text: multi-turn13611320MiniMax M2
LMArena Text: longer queries13311343o3 Mini
LMArena Text: writing and language12951313o3 Mini
LMArena Text: entertainment and media12981283MiniMax M2
Neither model has a result on the other 23 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for MiniMax M2 and o3 Mini
BenchmarkMiniMax M2o3 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

MiniMax M2$0.0008Fits in one request
o3 Mini$0.0033Fits in one request

MiniMax M2 costs less

Repository review

50K input + 3K output tokens

MiniMax M2$0.016Fits in one request
o3 Mini$0.068Fits in one request

MiniMax M2 costs less

Agent loop

200K input + 10K output tokens

MiniMax M2$0.061Exceeds the context window
o3 Mini$0.264Exceeds the context window

MiniMax M2 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 MiniMax M2 and o3 Mini
SpecificationMiniMax M2OpenAI o3 Mini
MakerMiniMaxOpenAI
WeightsOpen weightsNo public weights listed
ReleasedOctober 23, 2025January 31, 2025
Context window205K200K
Input $/Mtok$0.255$1.10
Output $/Mtok$1.02$4.40
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it10
Cost per solved task$0.702Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is MiniMax M2 better than o3 Mini for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick MiniMax M2 for output tokens 4.3x cheaper ($1.02 vs $4.40 per million) and a larger context window (205K against 200K tokens).

Which is cheaper, MiniMax M2 or o3 Mini?

MiniMax M2 costs $0.255 per million input tokens and $1.02 per million output tokens; o3 Mini costs $1.10 and $4.40. Cost per solved task is known for MiniMax M2 only.

Which has the bigger context window, MiniMax M2 or o3 Mini?

MiniMax M2, with 205K tokens against 200K.

How many benchmarks is the MiniMax M2 vs o3 Mini comparison based on?

36 benchmarks have a result for both models as of October 22, 2026. MiniMax M2's coding index rests on 1 independent benchmark and o3 Mini's on 0. Where only one model has a result, the page says so instead of naming a winner.

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