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Claude Opus 4.5 vs MiniMax M2.5

Claude Opus 4.5 leads MiniMax M2.5 on coding, 44.0 to 37.2 on the Vibe Coding Index, and MiniMax M2.5 costs 20.8x less per output token ($1.20 vs $25.00 per million). Updated October 22, 2026; 66 benchmarks have a result for both.

Replace Claude Opus 4.5 Replace MiniMax M2.5
Claude Opus 4.5Anthropic
Coding
44.0
Overall
55.7
Output $/M
$25.00
64
MiniMax M2.5MiniMax
Coding
37.2
Overall
37.3
Output $/M
$1.20
2
vs boards won of 66 shared

Claude Opus 4.5 or MiniMax M2.5: which to pick

Pick Claude Opus 4.5 for coding: it scores 44.0 on the Vibe Coding Index against 37.2 for MiniMax M2.5.

Pick MiniMax M2.5 for output tokens 20.8x cheaper ($1.20 vs $25.00 per million) and a lower cost per solved task ($0.62 against $1.37).

Model AClaude Opus 4.5Anthropic44.0/1003 independent benchmarks$1.37 per solved taskModel BMiniMax M2.5MiniMax37.2/1003 independent benchmarks$0.62 per solved task
Shared results
66
Claude Opus 4.5 only
46
MiniMax M2.5 only
5
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
Claude Opus 4.5 44.0 from 3 benchmarks, MiniMax M2.5 37.2 from 3 benchmarks.
Widest category
Agentic work, 18.4 points apart on average over 2 shared benchmarks.
Widest single gap
LMArena Text: Japanese: Claude Opus 4.5 1417 against MiniMax M2.5 1171, 41.0 points apart on a 0 to 100 scale.
Output price
Claude Opus 4.5 $25.00 against MiniMax M2.5 $1.20 per million output tokens, 20.8x apart.
Context window
Claude Opus 4.5 takes 200K tokens, MiniMax M2.5 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 4.5BarsMiniMax M2.5Ties
Coding120
Intelligence20
Agentic work11
Reasoning90
Math40
Knowledge100
Web design70
General191
All shared boards642
CodingLike-for-likeSix of these boards feed the Vibe Coding Index120
Coding benchmarks for Claude Opus 4.5 and MiniMax M2.5
BenchmarkClaude Opus 4.5MiniMax M2.5Leader
SWE-bench Verified79.2%75.8%Claude Opus 4.5
SWE-bench (full test set)52.6%Not measuredOnly Claude Opus 4.5 measured
SWE-bench Multilingual70.7%68.3%Claude Opus 4.5
LMArena WebDev14941386Claude Opus 4.5
LiveCodeBench (Vals AI)83.7%79.2%Claude Opus 4.5
SWE-bench Verified (Vals AI)76.4%74.2%Claude Opus 4.5
Vibe Code Bench (Vals AI)20.6%14.8%Claude Opus 4.5
LiveCodeBench (Artificial Analysis run)87.1%Not measuredOnly Claude Opus 4.5 measured
Terminal-Bench Hard (Artificial Analysis run)47.0%34.8%Claude Opus 4.5
Terminal-Bench63.1%42.7%Claude Opus 4.5
GSO-Bench26.5%Not measuredOnly Claude Opus 4.5 measured
WeirdML63.7%Not measuredOnly Claude Opus 4.5 measured
Cybench82.0%Not measuredOnly Claude Opus 4.5 measured
ALE-BenchNot measured618.2Only MiniMax M2.5 measured
LMArena Text: coding15031380Claude Opus 4.5
LMArena Text: software and IT14831383Claude Opus 4.5
LMArena WebDev: React14781374Claude Opus 4.5
LMArena WebDev: HTML15101414Claude Opus 4.5
SWE Atlas: Codebase QnANot measured10.3%Only MiniMax M2.5 measured
SWE Atlas: RefactoringNot measured19.5%Only MiniMax M2.5 measured
SWE Atlas: Test WritingNot measured18.6%Only MiniMax M2.5 measured
Neither model has a result on the other 22 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
Intelligence benchmarks for Claude Opus 4.5 and MiniMax M2.5
BenchmarkClaude Opus 4.5MiniMax M2.5Leader
AA Intelligence Index29.122.8Claude Opus 4.5
Epoch Capabilities Index150.1146.6Claude Opus 4.5
Agentic workLike-for-likePublic boards, shown as published, kept out of the index11
Agentic work benchmarks for Claude Opus 4.5 and MiniMax M2.5
BenchmarkClaude Opus 4.5MiniMax M2.5Leader
Design Arena: agents building web apps1159Not measuredOnly Claude Opus 4.5 measured
Design Arena: agents building full-stack apps1156Not measuredOnly Claude Opus 4.5 measured
Design Arena: agents building mobile apps1188Not measuredOnly Claude Opus 4.5 measured
Design Arena: agents building Android apps1177Not measuredOnly Claude Opus 4.5 measured
τ²-Bench Telecom89.5%95.3%MiniMax M2.5
METR time horizons75.0%Not measuredOnly Claude Opus 4.5 measured
Remote Labor Index3.8%Not measuredOnly Claude Opus 4.5 measured
GDPval45.5%Not measuredOnly Claude Opus 4.5 measured
BALROG43.5%Not measuredOnly Claude Opus 4.5 measured
DeepResearch Bench54.8%Not measuredOnly Claude Opus 4.5 measured
OSWorld66.3%Not measuredOnly Claude Opus 4.5 measured
Vending-Bench 2$4,967-$23Claude Opus 4.5
Berkeley Function Calling Leaderboard (BFCL)77.5%Not measuredOnly Claude Opus 4.5 measured
MCP Atlas69.8%Not measuredOnly Claude Opus 4.5 measured
Neither model has a result on the other 28 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index90
Reasoning benchmarks for Claude Opus 4.5 and MiniMax M2.5
BenchmarkClaude Opus 4.5MiniMax M2.5Leader
GPQA Diamond85.9%82.1%Claude Opus 4.5
MMMU Pro (Vals AI)83.0%Not measuredOnly Claude Opus 4.5 measured
GPQA Diamond (Artificial Analysis run)86.6%84.8%Claude Opus 4.5
Humanity's Last Exam (Artificial Analysis run)30.1%20.5%Claude Opus 4.5
GPQA Diamond (Epoch AI run)86.0%Not measuredOnly Claude Opus 4.5 measured
ARC-AGI80.0%63.7%Claude Opus 4.5
ARC-AGI-237.6%4.9%Claude Opus 4.5
SimpleBench62.0%Not measuredOnly Claude Opus 4.5 measured
Chess puzzles14.0%Not measuredOnly Claude Opus 4.5 measured
Mystery game puzzles22.0%Not measuredOnly Claude Opus 4.5 measured
EBR-bench14.3%Not measuredOnly Claude Opus 4.5 measured
VPCT40.0%Not measuredOnly Claude Opus 4.5 measured
LMArena Text: hard prompts14761372Claude Opus 4.5
LMArena Text: expert14871378Claude Opus 4.5
LMArena Text: hard prompts in English14821384Claude Opus 4.5
Kagi LLM Benchmark80.2%55.2%Claude Opus 4.5
Neither model has a result on the other 7 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index40
Math benchmarks for Claude Opus 4.5 and MiniMax M2.5
BenchmarkClaude Opus 4.5MiniMax M2.5Leader
AIME95.4%88.8%Claude Opus 4.5
MGSM (Vals AI)95.2%Not measuredOnly Claude Opus 4.5 measured
AA Math Index91.3Not measuredOnly Claude Opus 4.5 measured
AIME 2025 (Artificial Analysis run)91.3%Not measuredOnly Claude Opus 4.5 measured
OTIS Mock AIME86.1%Not measuredOnly Claude Opus 4.5 measured
FrontierMath, tiers 1 to 334.4%Not measuredOnly Claude Opus 4.5 measured
FrontierMath, tier 44.9%Not measuredOnly Claude Opus 4.5 measured
ProofBench36.0%4.0%Claude Opus 4.5
LMArena Text: math14631378Claude Opus 4.5
LMArena Text: mathematical work14681378Claude Opus 4.5
Neither model has a result on the other 4 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index100
Knowledge benchmarks for Claude Opus 4.5 and MiniMax M2.5
BenchmarkClaude Opus 4.5MiniMax M2.5Leader
MMLU Pro87.3%80.1%Claude Opus 4.5
LegalBench (Vals AI)84.6%80.0%Claude Opus 4.5
CaseLaw (Vals AI)62.6%53.5%Claude Opus 4.5
CorpFin (Vals AI)65.1%59.6%Claude Opus 4.5
TaxEval (Vals AI)74.9%68.2%Claude Opus 4.5
MortgageTax (Vals AI)68.7%Not measuredOnly Claude Opus 4.5 measured
MedQA (Vals AI)95.9%92.5%Claude Opus 4.5
MedCode (Vals AI)49.2%Not measuredOnly Claude Opus 4.5 measured
MMLU Pro (Artificial Analysis run)89.5%Not measuredOnly Claude Opus 4.5 measured
SimpleQA Verified45.7%Not measuredOnly Claude Opus 4.5 measured
GeoBench75.0%Not measuredOnly Claude Opus 4.5 measured
LMArena Text: science14541369Claude Opus 4.5
LMArena Text: medicine and healthcare14441357Claude Opus 4.5
LMArena Text: legal and government14591366Claude Opus 4.5
LMArena Text: business and finance14481356Claude Opus 4.5
FACTS Benchmark Suite43.9%Not measuredOnly Claude Opus 4.5 measured
PRBench Finance46.2%Not measuredOnly Claude Opus 4.5 measured
PRBench Legal44.2%Not measuredOnly Claude Opus 4.5 measured
Neither model has a result on the other 2 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index70
Web design benchmarks for Claude Opus 4.5 and MiniMax M2.5
BenchmarkClaude Opus 4.5MiniMax M2.5Leader
Design Arena: websites12471222Claude Opus 4.5
Design Arena: UI components12361170Claude Opus 4.5
Design Arena: game dev12281176Claude Opus 4.5
Design Arena: data viz12431172Claude Opus 4.5
Design Arena: 3D12131170Claude Opus 4.5
Design Arena: all code categories12411207Claude Opus 4.5
Design Arena: SVG11801150Claude Opus 4.5
Design Arena: ASCII art1190Not measuredOnly Claude Opus 4.5 measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index191
General benchmarks for Claude Opus 4.5 and MiniMax M2.5
BenchmarkClaude Opus 4.5MiniMax M2.5Leader
SAGE (Vals AI)52.1%Not measuredOnly Claude Opus 4.5 measured
MedScribe (Vals AI)85.3%Not measuredOnly Claude Opus 4.5 measured
IFBench58.0%71.6%MiniMax M2.5
Long context reasoning (AA-LCR)77.3%73.3%Claude Opus 4.5
DTBench89.9%Not measuredOnly Claude Opus 4.5 measured
LMCA44.5%Not measuredOnly Claude Opus 4.5 measured
CL-bench21.1%11.4%Claude Opus 4.5
Furniture assembly28.3%Not measuredOnly Claude Opus 4.5 measured
CL-bench LifeNot measured6.3%Only MiniMax M2.5 measured
LMArena Text14511359Claude Opus 4.5
LMArena Text: instruction following14781353Claude Opus 4.5
LMArena Text: creative writing14451331Claude Opus 4.5
LMArena Text: English14611380Claude Opus 4.5
LMArena Text: non-English14381338Claude Opus 4.5
LMArena Text: Chinese14701393Claude Opus 4.5
LMArena Text: German14491361Claude Opus 4.5
LMArena Text: Japanese14171171Claude Opus 4.5
LMArena Text: Korean14241233Claude Opus 4.5
LMArena Text: French14711363Claude Opus 4.5
LMArena Text: Spanish14571353Claude Opus 4.5
LMArena Text: Russian14471359Claude Opus 4.5
LMArena Text: Polish14391334Claude Opus 4.5
LMArena Text: multi-turn14661364Claude Opus 4.5
LMArena Text: longer queries14791366Claude Opus 4.5
LMArena Text: writing and language14521345Claude Opus 4.5
LMArena Text: entertainment and media14341329Claude Opus 4.5
LMArena Document1462Not measuredOnly Claude Opus 4.5 measured
MultiChallenge59.0%Not measuredOnly Claude Opus 4.5 measured
Neither model has a result on the other 20 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Claude Opus 4.5 and MiniMax M2.5
BenchmarkClaude Opus 4.5MiniMax M2.5Leader
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

Claude Opus 4.5$0.018Fits in one request
MiniMax M2.5$0.0009Fits in one request

MiniMax M2.5 costs less

Repository review

50K input + 3K output tokens

Claude Opus 4.5$0.325Fits in one request
MiniMax M2.5$0.019Fits in one request

MiniMax M2.5 costs less

Agent loop

200K input + 10K output tokens

Claude Opus 4.5$1.25Exceeds the context window
MiniMax M2.5$0.072Exceeds the context window

MiniMax M2.5 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 Claude Opus 4.5 and MiniMax M2.5
SpecificationAnthropic Claude Opus 4.5MiniMax M2.5
MakerAnthropicMiniMax
WeightsNo public weights listedOpen weights
ReleasedNovember 24, 2025February 12, 2026
Context window200K205K
Input $/Mtok$5.00$0.30
Output $/Mtok$25.00$1.20
Coding index44.037.2
Independent measurements behind it33
Cost per solved task$1.37$0.62
SourceOpenRouter listingOpenRouter listing

Questions

Is Claude Opus 4.5 better than MiniMax M2.5 for coding?

Pick Claude Opus 4.5 for coding: it scores 44.0 on the Vibe Coding Index against 37.2 for MiniMax M2.5. Pick MiniMax M2.5 for output tokens 20.8x cheaper ($1.20 vs $25.00 per million) and a lower cost per solved task ($0.62 against $1.37).

Which is cheaper, Claude Opus 4.5 or MiniMax M2.5?

Claude Opus 4.5 costs $5.00 per million input tokens and $25.00 per million output tokens; MiniMax M2.5 costs $0.30 and $1.20. Per solved SWE-bench Verified task, Claude Opus 4.5 costs $1.37 and MiniMax M2.5 $0.62.

Which has the bigger context window, Claude Opus 4.5 or MiniMax M2.5?

MiniMax M2.5, with 205K tokens against 200K.

How many benchmarks is the Claude Opus 4.5 vs MiniMax M2.5 comparison based on?

66 benchmarks have a result for both models as of October 22, 2026. Claude Opus 4.5's coding index rests on 3 independent benchmarks and MiniMax M2.5's on 3. Where only one model has a result, the page says so instead of naming a winner.

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