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Claude Opus 5 vs MiniMax M3

Claude Opus 5 leads MiniMax M3 on coding, 83.0 to 39.2 on the Vibe Coding Index, and MiniMax M3 costs 20.8x less per output token ($1.20 vs $25.00 per million). Updated October 22, 2026; 108 benchmarks have a result for both.

Replace Claude Opus 5 Replace MiniMax M3
Claude Opus 5Anthropic
Coding
83.0
Overall
81.6
Output $/M
$25.00
105
MiniMax M3MiniMax
Coding
39.2
Overall
51.7
Output $/M
$1.20
3
vs boards won of 108 shared

Claude Opus 5 or MiniMax M3: which to pick

Pick Claude Opus 5 for coding: it scores 83.0 on the Vibe Coding Index against 39.2 for MiniMax M3.

Pick MiniMax M3 for output tokens 20.8x cheaper ($1.20 vs $25.00 per million) and a lower cost per solved task ($0.56 against $1.33).

Model AClaude Opus 5Anthropic83.0/1006 independent benchmarks$1.33 per solved taskModel BMiniMax M3MiniMax39.2/1006 independent benchmarks$0.56 per solved task
Shared results
108
Claude Opus 5 only
23
MiniMax M3 only
8
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 5 83.0 from 6 benchmarks, MiniMax M3 39.2 from 6 benchmarks.
Widest category
Math, 35.5 points apart on average over 4 shared benchmarks.
Widest single gap
ProofBench: Claude Opus 5 99.0% against MiniMax M3 18.0%, 81.0 points apart on a 0 to 100 scale.
Output price
Claude Opus 5 $25.00 against MiniMax M3 $1.20 per million output tokens, 20.8x apart.
Context window
Claude Opus 5 takes 1M tokens, MiniMax M3 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
CategoryClaude Opus 5BarsMiniMax M3Ties
Coding200
Intelligence20
Agentic work170
Reasoning140
Math40
Knowledge100
Web design90
General293
All shared boards1053
CodingLike-for-likeSix of these boards feed the Vibe Coding Index200
Coding benchmarks for Claude Opus 5 and MiniMax M3
BenchmarkClaude Opus 5MiniMax M3Leader
LiveBench coding90.8%70.9%Claude Opus 5
LMArena WebDev16891482Claude Opus 5
AA Coding Index78.058.6Claude Opus 5
LiveCodeBench (Vals AI)89.0%82.2%Claude Opus 5
SWE-bench Verified (Vals AI)97.0%75.0%Claude Opus 5
Terminal-Bench 4 (Vals AI)53.5%1.0%Claude Opus 5
Vibe Code Bench (Vals AI)88.4%47.6%Claude Opus 5
Code migration (Vals AI)57.5%19.9%Claude Opus 5
ProgramBench (Vals AI)3.0%Not measuredOnly Claude Opus 5 measured
IOI (Vals AI)84.3%Not measuredOnly Claude Opus 5 measured
Terminal-Bench 2.1 (Vals AI)84.6%53.6%Claude Opus 5
SWE-bench Multimodal (Vals AI)Not measured33.3%Only MiniMax M3 measured
Vibe Code Bench 1-100 (Vals AI)28.5%9.2%Claude Opus 5
SkillsBench (Vals AI)60.4%51.5%Claude Opus 5
CyberBench (Vals AI)65.4%65.0%Claude Opus 5
SciCode56.4%47.1%Claude Opus 5
Terminal-Bench Hard (Artificial Analysis run)Not measured42.4%Only MiniMax M3 measured
FrontierCode53.4%14.7%Claude Opus 5
FrontierSWE52.0%Not measuredOnly Claude Opus 5 measured
WeirdML91.8%Not measuredOnly Claude Opus 5 measured
ALE-Bench2164.6640.0Claude Opus 5
LMArena Text: coding15331470Claude Opus 5
LMArena Text: software and IT15271466Claude Opus 5
LMArena WebDev: React17111478Claude Opus 5
LMArena WebDev: HTML16801455Claude Opus 5
LMArena WebDev: from an image16621470Claude Opus 5
SciCode13.8%Not measuredOnly Claude Opus 5 measured
Neither model has a result on the other 12 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
Intelligence benchmarks for Claude Opus 5 and MiniMax M3
BenchmarkClaude Opus 5MiniMax M3Leader
AA Intelligence Index50.829.2Claude Opus 5
Epoch Capabilities Index163.9146.9Claude Opus 5
Agentic workLike-for-likePublic boards, shown as published, kept out of the index170
Agentic work benchmarks for Claude Opus 5 and MiniMax M3
BenchmarkClaude Opus 5MiniMax M3Leader
AA Agentic Index56.529.5Claude Opus 5
Design Arena: agents building web apps12661200Claude Opus 5
Design Arena: agents building full-stack apps13061197Claude Opus 5
Design Arena: agents building mobile apps13481169Claude Opus 5
Design Arena: agents building Android apps12571159Claude Opus 5
Design Arena: agents building Godot games1279Not measuredOnly Claude Opus 5 measured
Design Arena: agents building games12611158Claude Opus 5
Design Arena: HTML slidesNot measured1130Only MiniMax M3 measured
Design Arena: PowerPoint slides12401181Claude Opus 5
Design Arena: spreadsheetsNot measured1028Only MiniMax M3 measured
LiveBench research88.9%68.0%Claude Opus 5
LiveBench browser84.0%8.0%Claude Opus 5
LiveBench long agentic62.1%12.4%Claude Opus 5
SREBench (Vals AI)12.2%Not measuredOnly Claude Opus 5 measured
Finance Agent (Vals AI)58.6%48.3%Claude Opus 5
Tax Agent Bench (Vals AI)45.5%20.6%Claude Opus 5
Legal Research Bench (Vals AI)55.3%29.8%Claude Opus 5
Excel Modeling Benchmark (Vals AI)73.6%47.8%Claude Opus 5
BioMysteryBench (Vals AI)79.3%Not measuredOnly Claude Opus 5 measured
Terminal-Bench-Science (Vals AI)27.1%Not measuredOnly Claude Opus 5 measured
Vals Science Index47.9%Not measuredOnly Claude Opus 5 measured
Time Horizon Index (Vals AI)18.8%Not measuredOnly Claude Opus 5 measured
CUA-bench (Vals AI)9.0%Not measuredOnly Claude Opus 5 measured
τ²-Bench TelecomNot measured88.9%Only MiniMax M3 measured
APEX-Agents65.8%37.7%Claude Opus 5
OSWorld 2.031.4%4.6%Claude Opus 5
BALROG63.4%Not measuredOnly Claude Opus 5 measured
PostTrainBench35.0%Not measuredOnly Claude Opus 5 measured
Vending-Bench 2$11,182$2,158Claude Opus 5
LMArena Search1242Not measuredOnly Claude Opus 5 measured
Neither model has a result on the other 11 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index140
Reasoning benchmarks for Claude Opus 5 and MiniMax M3
BenchmarkClaude Opus 5MiniMax M3Leader
GPQA Diamond93.4%92.7%Claude Opus 5
LiveBench reasoning91.2%74.5%Claude Opus 5
MysteryMechanism (Vals AI)37.4%Not measuredOnly Claude Opus 5 measured
MMMU Pro (Vals AI)89.9%81.2%Claude Opus 5
GPQA Diamond (Artificial Analysis run)93.7%92.9%Claude Opus 5
Humanity's Last Exam (Artificial Analysis run)54.9%39.0%Claude Opus 5
GPQA Diamond (Epoch AI run)93.9%90.9%Claude Opus 5
ARC-AGI97.5%Not measuredOnly Claude Opus 5 measured
ARC-AGI-290.4%Not measuredOnly Claude Opus 5 measured
SimpleBench80.6%45.8%Claude Opus 5
Chess puzzles43.0%13.0%Claude Opus 5
Mystery game puzzles59.0%8.0%Claude Opus 5
EBR-bench45.7%Not measuredOnly Claude Opus 5 measured
LMArena Text: hard prompts15271447Claude Opus 5
LMArena Text: expert15541461Claude Opus 5
LMArena Text: hard prompts in English15231455Claude Opus 5
LMArena Vision: diagrams13481266Claude Opus 5
LMArena Vision: homework13381268Claude Opus 5
Neither model has a result on the other 4 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index40
Math benchmarks for Claude Opus 5 and MiniMax M3
BenchmarkClaude Opus 5MiniMax M3Leader
OTIS Mock AIME98.9%71.1%Claude Opus 5
FrontierMath, tiers 1 to 385.6%Not measuredOnly Claude Opus 5 measured
FrontierMath, tier 473.2%Not measuredOnly Claude Opus 5 measured
ProofBench99.0%18.0%Claude Opus 5
LMArena Text: math15331429Claude Opus 5
LMArena Text: mathematical work15441448Claude Opus 5
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index100
Knowledge benchmarks for Claude Opus 5 and MiniMax M3
BenchmarkClaude Opus 5MiniMax M3Leader
MMLU Pro91.6%84.2%Claude Opus 5
LegalBench (Vals AI)87.0%85.4%Claude Opus 5
CorpFin (Vals AI)73.2%68.1%Claude Opus 5
TaxEval (Vals AI)75.1%72.7%Claude Opus 5
MortgageTax (Vals AI)72.1%68.4%Claude Opus 5
MedCode (Vals AI)63.6%46.3%Claude Opus 5
SimpleQA Verified59.9%Not measuredOnly Claude Opus 5 measured
LMArena Text: science15311452Claude Opus 5
LMArena Text: medicine and healthcare15251441Claude Opus 5
LMArena Text: legal and government15301437Claude Opus 5
LMArena Text: business and finance15011434Claude Opus 5
Neither model has a result on the other 7 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index90
Web design benchmarks for Claude Opus 5 and MiniMax M3
BenchmarkClaude Opus 5MiniMax M3Leader
Design Arena: websites13091257Claude Opus 5
Design Arena: UI components13461242Claude Opus 5
Design Arena: game dev13371210Claude Opus 5
Design Arena: data viz13291236Claude Opus 5
Design Arena: 3D13341208Claude Opus 5
Design Arena: all code categories13231247Claude Opus 5
Design Arena: SVG13111161Claude Opus 5
Design Arena: ASCII art13521161Claude Opus 5
LiveBench design83.0%66.2%Claude Opus 5
GeneralLike-for-likePublic boards, shown as published, kept out of the index293
General benchmarks for Claude Opus 5 and MiniMax M3
BenchmarkClaude Opus 5MiniMax M3Leader
LiveBench data analysis74.6%76.2%MiniMax M3
Public Benefits Bench (Vals AI)76.9%64.1%Claude Opus 5
SAGE (Vals AI)49.4%50.6%MiniMax M3
MedScribe (Vals AI)91.0%87.3%Claude Opus 5
Vals Multimodal Index73.9%60.0%Claude Opus 5
IFBenchNot measured82.9%Only MiniMax M3 measured
Long context reasoning (AA-LCR)82.0%83.0%MiniMax M3
DTBench97.9%78.9%Claude Opus 5
LMCA64.5%33.7%Claude Opus 5
Surface Evolver BenchNot measured55.0%Only MiniMax M3 measured
Furniture assembly60.8%Not measuredOnly Claude Opus 5 measured
LMArena Text15091433Claude Opus 5
LMArena Text: instruction following15181433Claude Opus 5
LMArena Text: creative writing14931404Claude Opus 5
LMArena Vision13201251Claude Opus 5
LMArena Text: English15081443Claude Opus 5
LMArena Text: non-English15021420Claude Opus 5
LMArena Text: Chinese15731466Claude Opus 5
LMArena Text: German15271428Claude Opus 5
LMArena Text: Japanese15201380Claude Opus 5
LMArena Text: Korean15171373Claude Opus 5
LMArena Text: French15191444Claude Opus 5
LMArena Text: Spanish15231433Claude Opus 5
LMArena Text: Russian15071426Claude Opus 5
LMArena Text: Polish15221423Claude Opus 5
LMArena Text: multi-turn15001443Claude Opus 5
LMArena Text: longer queries15171446Claude Opus 5
LMArena Text: writing and language14991419Claude Opus 5
LMArena Text: entertainment and media14811403Claude Opus 5
LMArena Vision: English13151263Claude Opus 5
LMArena Vision: Chinese14001311Claude Opus 5
LMArena Vision: reading text13291259Claude Opus 5
LMArena Vision: humor12931235Claude Opus 5
LMArena Vision: recognizing thingsNot measured1197Only MiniMax M3 measured
LMArena Vision: creative writing13131234Claude Opus 5
LMArena Document15161435Claude Opus 5
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 Claude Opus 5 and MiniMax M3
BenchmarkClaude Opus 5MiniMax M3Leader
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 5$0.018Fits in one request
MiniMax M3$0.0009Fits in one request

MiniMax M3 costs less

Repository review

50K input + 3K output tokens

Claude Opus 5$0.325Fits in one request
MiniMax M3$0.019Fits in one request

MiniMax M3 costs less

Agent loop

200K input + 10K output tokens

Claude Opus 5$1.25Fits in one request
MiniMax M3$0.072Fits in one request

MiniMax M3 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 5 and MiniMax M3
SpecificationAnthropic Claude Opus 5MiniMax M3
MakerAnthropicMiniMax
WeightsNo public weights listedOpen weights
ReleasedJuly 24, 2026May 31, 2026
Context window1M1.05M
Input $/Mtok$5.00$0.30
Output $/Mtok$25.00$1.20
Coding index83.039.2
Independent measurements behind it66
Cost per solved task$1.33$0.56
SourceOpenRouter listingOpenRouter listing

Questions

Is Claude Opus 5 better than MiniMax M3 for coding?

Pick Claude Opus 5 for coding: it scores 83.0 on the Vibe Coding Index against 39.2 for MiniMax M3. Pick MiniMax M3 for output tokens 20.8x cheaper ($1.20 vs $25.00 per million) and a lower cost per solved task ($0.56 against $1.33).

Which is cheaper, Claude Opus 5 or MiniMax M3?

Claude Opus 5 costs $5.00 per million input tokens and $25.00 per million output tokens; MiniMax M3 costs $0.30 and $1.20. Per solved SWE-bench Verified task, Claude Opus 5 costs $1.33 and MiniMax M3 $0.56.

Which has the bigger context window, Claude Opus 5 or MiniMax M3?

MiniMax M3, with 1.05M tokens against 1M.

How many benchmarks is the Claude Opus 5 vs MiniMax M3 comparison based on?

108 benchmarks have a result for both models as of October 22, 2026. Claude Opus 5's coding index rests on 6 independent benchmarks and MiniMax M3's on 6. Where only one model has a result, the page says so instead of naming a winner.

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