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Claude Opus 4.1 vs MiniMax M2

Updated October 21, 2026. 37 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace Claude Opus 4.1 Replace MiniMax M2
Claude Opus 4.1Anthropic
Coding
27.2
Overall
22.8
Output $/M
$75.00
37
MiniMax M2MiniMax
Coding
45.3
Overall
18.6
Output $/M
$1.02
0
vs boards won of 37 shared

Decision reading

Pick MiniMax M2 for coding: it scores 45.3 on the Vibe Coding Index against 27.2 for Claude Opus 4.1.

Pick Claude Opus 4.1 when what matters is LMArena WebDev or Terminal-Bench, where it leads.

Model AClaude Opus 4.1Anthropic27.2/1001 independent benchmarkNo cost per solved taskModel BMiniMax M2MiniMax45.3/1002 independent benchmarks$0.702 per solved task
Shared results
37
Claude Opus 4.1 only
34
MiniMax M2 only
12
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
Claude Opus 4.1 27.2 from 1 benchmark, MiniMax M2 45.3 from 2 benchmarks.
Widest category
General, 15.9 points apart on average over 15 shared benchmarks.
Widest single gap
LMArena Text: creative writing: Claude Opus 4.1 1412 against MiniMax M2 1286, 21.0 points apart on a 0 to 100 scale.
Output price
Claude Opus 4.1 $75.00 against MiniMax M2 $1.02 per million output tokens, 73.5x apart.
Context window
Claude Opus 4.1 takes 200K tokens, MiniMax M2 205K.

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
CategoryClaude Opus 4.1BarsMiniMax M2Ties
Coding50
Intelligence10
Reasoning30
Math20
Knowledge40
Web design70
General150
All shared boards370
CodingLike-for-likeFour of these boards feed the Vibe Coding Index50
Coding benchmarks for Claude Opus 4.1 and MiniMax M2
BenchmarkClaude Opus 4.1MiniMax M2Leader
SWE-bench VerifiedNot measured61.0%Only MiniMax M2 measured
LMArena WebDev13901297Claude Opus 4.1
LiveCodeBench (Vals AI)66.5%Not measuredOnly Claude Opus 4.1 measured
LiveCodeBench (Artificial Analysis run)Not measured82.6%Only MiniMax M2 measured
Terminal-Bench Hard (Artificial Analysis run)Not measured25.8%Only MiniMax M2 measured
Terminal-Bench38.0%30.0%Claude Opus 4.1
WeirdML45.9%Not measuredOnly Claude Opus 4.1 measured
Cybench42.0%Not measuredOnly Claude Opus 4.1 measured
LMArena Text: coding14791371Claude Opus 4.1
LMArena Text: software and IT14561373Claude Opus 4.1
LMArena WebDev: HTML13991306Claude Opus 4.1
Neither model has a result on the other 27 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for Claude Opus 4.1 and MiniMax M2
BenchmarkClaude Opus 4.1MiniMax M2Leader
AA Intelligence Index22.818.6Claude Opus 4.1
Epoch Capabilities Index144.1Not measuredOnly Claude Opus 4.1 measured
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index5 boards, none shared
Agentic work benchmarks for Claude Opus 4.1 and MiniMax M2
BenchmarkClaude Opus 4.1MiniMax M2Leader
τ²-Bench TelecomNot measured86.8%Only MiniMax M2 measured
METR time horizons66.8%Not measuredOnly Claude Opus 4.1 measured
GDPval43.6%Not measuredOnly Claude Opus 4.1 measured
DeepResearch Bench48.3%Not measuredOnly Claude Opus 4.1 measured
Vending-Bench 2Not measured$161Only MiniMax M2 measured
Neither model has a result on the other 34 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index30
Reasoning benchmarks for Claude Opus 4.1 and MiniMax M2
BenchmarkClaude Opus 4.1MiniMax M2Leader
GPQA Diamond76.3%Not measuredOnly Claude Opus 4.1 measured
MMMU Pro (Vals AI)77.5%Not measuredOnly Claude Opus 4.1 measured
GPQA Diamond (Artificial Analysis run)Not measured77.7%Only MiniMax M2 measured
Humanity's Last Exam (Artificial Analysis run)Not measured13.7%Only MiniMax M2 measured
GPQA Diamond (Epoch AI run)77.3%Not measuredOnly Claude Opus 4.1 measured
SimpleBench60.0%Not measuredOnly Claude Opus 4.1 measured
Mystery game puzzles21.0%Not measuredOnly Claude Opus 4.1 measured
EBR-bench7.9%Not measuredOnly Claude Opus 4.1 measured
VPCT35.0%Not measuredOnly Claude Opus 4.1 measured
LMArena Text: hard prompts14421357Claude Opus 4.1
LMArena Text: expert14381338Claude Opus 4.1
LMArena Text: hard prompts in English14511376Claude Opus 4.1
Neither model has a result on the other 9 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index20
Math benchmarks for Claude Opus 4.1 and MiniMax M2
BenchmarkClaude Opus 4.1MiniMax M2Leader
AIME78.2%Not measuredOnly Claude Opus 4.1 measured
MATH 500 (Vals AI)95.4%Not measuredOnly Claude Opus 4.1 measured
MGSM (Vals AI)94.4%Not measuredOnly Claude Opus 4.1 measured
AA Math IndexNot measured78.3Only MiniMax M2 measured
AIME 2025 (Artificial Analysis run)Not measured78.3%Only MiniMax M2 measured
OTIS Mock AIME68.9%Not measuredOnly Claude Opus 4.1 measured
FrontierMath, tiers 1 to 312.6%Not measuredOnly Claude Opus 4.1 measured
FrontierMath, tier 42.4%Not measuredOnly Claude Opus 4.1 measured
LMArena Text: math14311351Claude Opus 4.1
LMArena Text: mathematical work14341368Claude Opus 4.1
Neither model has a result on the other 3 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index40
Knowledge benchmarks for Claude Opus 4.1 and MiniMax M2
BenchmarkClaude Opus 4.1MiniMax M2Leader
MMLU Pro87.9%Not measuredOnly Claude Opus 4.1 measured
LegalBench (Vals AI)83.5%Not measuredOnly Claude Opus 4.1 measured
TaxEval (Vals AI)73.7%Not measuredOnly Claude Opus 4.1 measured
MortgageTax (Vals AI)61.1%Not measuredOnly Claude Opus 4.1 measured
MedQA (Vals AI)93.6%Not measuredOnly Claude Opus 4.1 measured
MedCode (Vals AI)47.2%Not measuredOnly Claude Opus 4.1 measured
MMLU Pro (Artificial Analysis run)Not measured82.0%Only MiniMax M2 measured
LMArena Text: science14221348Claude Opus 4.1
LMArena Text: medicine and healthcare14161367Claude Opus 4.1
LMArena Text: legal and government14211349Claude Opus 4.1
LMArena Text: business and finance14061336Claude Opus 4.1
Neither model has a result on the other 6 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index70
Web design benchmarks for Claude Opus 4.1 and MiniMax M2
BenchmarkClaude Opus 4.1MiniMax M2Leader
Design Arena: websites11771144Claude Opus 4.1
Design Arena: UI components11641136Claude Opus 4.1
Design Arena: game dev11721119Claude Opus 4.1
Design Arena: data viz11661140Claude Opus 4.1
Design Arena: 3D11531098Claude Opus 4.1
Design Arena: all code categories11711135Claude Opus 4.1
Design Arena: SVG11521098Claude Opus 4.1
Design Arena: ASCII art1167Not measuredOnly Claude Opus 4.1 measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index150
General benchmarks for Claude Opus 4.1 and MiniMax M2
BenchmarkClaude Opus 4.1MiniMax M2Leader
SAGE (Vals AI)31.4%Not measuredOnly Claude Opus 4.1 measured
MedScribe (Vals AI)73.9%Not measuredOnly Claude Opus 4.1 measured
IFBenchNot measured72.3%Only MiniMax M2 measured
Long context reasoning (AA-LCR)Not measured64.3%Only MiniMax M2 measured
DTBench80.0%Not measuredOnly Claude Opus 4.1 measured
LMCA37.1%Not measuredOnly Claude Opus 4.1 measured
Creative writing (Lech Mazur)84.7%Not measuredOnly Claude Opus 4.1 measured
LMArena Text14191340Claude Opus 4.1
LMArena Text: instruction following14351329Claude Opus 4.1
LMArena Text: creative writing14121286Claude Opus 4.1
LMArena Text: English14331364Claude Opus 4.1
LMArena Text: non-English14051313Claude Opus 4.1
LMArena Text: Chinese14271366Claude Opus 4.1
LMArena Text: German14131357Claude Opus 4.1
LMArena Text: Japanese1377Not measuredOnly Claude Opus 4.1 measured
LMArena Text: Korean1381Not measuredOnly Claude Opus 4.1 measured
LMArena Text: French14331336Claude Opus 4.1
LMArena Text: Spanish14481326Claude Opus 4.1
LMArena Text: Russian14221330Claude Opus 4.1
LMArena Text: Polish14131312Claude Opus 4.1
LMArena Text: multi-turn14441361Claude Opus 4.1
LMArena Text: longer queries14551331Claude Opus 4.1
LMArena Text: writing and language14181295Claude Opus 4.1
LMArena Text: entertainment and media13981298Claude Opus 4.1
Neither model has a result on the other 22 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Claude Opus 4.1 and MiniMax M2
BenchmarkClaude Opus 4.1MiniMax M2Leader
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

Claude Opus 4.1$0.052Fits in one request
MiniMax M2$0.0008Fits in one request

MiniMax M2 costs less

Repository review

50K input + 3K output tokens

Claude Opus 4.1$0.975Fits in one request
MiniMax M2$0.016Fits in one request

MiniMax M2 costs less

Agent loop

200K input + 10K output tokens

Claude Opus 4.1$3.75Exceeds the context window
MiniMax M2$0.061Exceeds 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 Claude Opus 4.1 and MiniMax M2
SpecificationAnthropic Claude Opus 4.1MiniMax M2
MakerAnthropicMiniMax
WeightsNo public weights listedOpen weights
ReleasedAugust 5, 2025October 23, 2025
Context window200K205K
Input $/Mtok$15.00$0.255
Output $/Mtok$75.00$1.02
Coding index27.245.3
Independent measurements behind it12
Cost per solved taskNot computable$0.702
SourceOpenRouter listingOpenRouter listing

Questions

Is Claude Opus 4.1 better than MiniMax M2 for coding?

Pick MiniMax M2 for coding: it scores 45.3 on the Vibe Coding Index against 27.2 for Claude Opus 4.1. Pick Claude Opus 4.1 when what matters is LMArena WebDev or Terminal-Bench, where it leads.

Which is cheaper, Claude Opus 4.1 or MiniMax M2?

Claude Opus 4.1 costs $15.00 per million input tokens and $75.00 per million output tokens; MiniMax M2 costs $0.255 and $1.02. Cost per solved task is known for MiniMax M2 only.

Which has the bigger context window, Claude Opus 4.1 or MiniMax M2?

MiniMax M2, with 205K tokens against 200K.

How many benchmarks is the Claude Opus 4.1 vs MiniMax M2 comparison based on?

37 benchmarks have a result for both models as of October 21, 2026. Claude Opus 4.1's coding index rests on 1 independent benchmark and MiniMax M2's on 2. Where only one model has a result, the page says so instead of naming a winner.

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