Enter opens the highlighted result. Esc closes.

Claude Opus 4.5 vs MiniMax M3

Claude Opus 4.5 leads MiniMax M3 on coding, 44.0 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; 74 benchmarks have a result for both.

Replace Claude Opus 4.5 Replace MiniMax M3
Claude Opus 4.5Anthropic
Coding
44.0
Overall
55.7
Output $/M
$25.00
58
MiniMax M3MiniMax
Coding
39.2
Overall
51.7
Output $/M
$1.20
16
vs boards won of 74 shared

Claude Opus 4.5 or MiniMax M3: which to pick

Pick Claude Opus 4.5 for coding: it scores 44.0 on the Vibe Coding Index against 39.2 for MiniMax M3, though on 3 benchmarks against 6.

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 $1.37).

Model AClaude Opus 4.5Anthropic44.0/1003 independent benchmarks$1.37 per solved taskModel BMiniMax M3MiniMax39.2/1006 independent benchmarks$0.56 per solved task
Shared results
74
Claude Opus 4.5 only
34
MiniMax M3 only
42
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 M3 39.2 from 6 benchmarks.
Widest category
Math, 10.5 points apart on average over 4 shared benchmarks.
Widest single gap
Vibe Code Bench (Vals AI): Claude Opus 4.5 20.6% against MiniMax M3 47.6%, 26.9 points apart on a 0 to 100 scale.
Output price
Claude Opus 4.5 $25.00 against MiniMax M3 $1.20 per million output tokens, 20.8x apart.
Context window
Claude Opus 4.5 takes 200K 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 4.5BarsMiniMax M3Ties
Coding81
Intelligence11
Agentic work42
Reasoning74
Math40
Knowledge82
Web design53
General213
All shared boards5816
CodingLike-for-likeSix of these boards feed the Vibe Coding Index81
Coding benchmarks for Claude Opus 4.5 and MiniMax M3
BenchmarkClaude Opus 4.5MiniMax M3Leader
SWE-bench Verified79.2%Not measuredOnly Claude Opus 4.5 measured
SWE-bench (full test set)52.6%Not measuredOnly Claude Opus 4.5 measured
SWE-bench Multilingual70.7%Not measuredOnly Claude Opus 4.5 measured
LiveBench codingNot measured70.9%Only MiniMax M3 measured
LMArena WebDev14941482Claude Opus 4.5
AA Coding IndexNot measured58.6Only MiniMax M3 measured
LiveCodeBench (Vals AI)83.7%82.2%Claude Opus 4.5
SWE-bench Verified (Vals AI)76.4%75.0%Claude Opus 4.5
Terminal-Bench 4 (Vals AI)Not measured1.0%Only MiniMax M3 measured
Vibe Code Bench (Vals AI)20.6%47.6%MiniMax M3
Code migration (Vals AI)Not measured19.9%Only MiniMax M3 measured
Terminal-Bench 2.1 (Vals AI)Not measured53.6%Only MiniMax M3 measured
SWE-bench Multimodal (Vals AI)Not measured33.3%Only MiniMax M3 measured
Vibe Code Bench 1-100 (Vals AI)Not measured9.2%Only MiniMax M3 measured
SkillsBench (Vals AI)Not measured51.5%Only MiniMax M3 measured
CyberBench (Vals AI)Not measured65.0%Only MiniMax M3 measured
LiveCodeBench (Artificial Analysis run)87.1%Not measuredOnly Claude Opus 4.5 measured
SciCodeNot measured47.1%Only MiniMax M3 measured
Terminal-Bench Hard (Artificial Analysis run)47.0%42.4%Claude Opus 4.5
Terminal-Bench63.1%Not measuredOnly Claude Opus 4.5 measured
FrontierCodeNot measured14.7%Only MiniMax M3 measured
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 measured640.0Only MiniMax M3 measured
LMArena Text: coding15031470Claude Opus 4.5
LMArena Text: software and IT14831466Claude Opus 4.5
LMArena WebDev: React14781478Claude Opus 4.5
LMArena WebDev: HTML15101455Claude Opus 4.5
LMArena WebDev: from an imageNot measured1470Only MiniMax M3 measured
Neither model has a result on the other 9 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index11
Intelligence benchmarks for Claude Opus 4.5 and MiniMax M3
BenchmarkClaude Opus 4.5MiniMax M3Leader
AA Intelligence Index29.129.2MiniMax M3
Epoch Capabilities Index150.1146.9Claude Opus 4.5
Agentic workLike-for-likePublic boards, shown as published, kept out of the index42
Agentic work benchmarks for Claude Opus 4.5 and MiniMax M3
BenchmarkClaude Opus 4.5MiniMax M3Leader
AA Agentic IndexNot measured29.5Only MiniMax M3 measured
Design Arena: agents building web apps11591200MiniMax M3
Design Arena: agents building full-stack apps11561197MiniMax M3
Design Arena: agents building mobile apps11891169Claude Opus 4.5
Design Arena: agents building Android apps11761159Claude Opus 4.5
Design Arena: agents building gamesNot measured1158Only MiniMax M3 measured
Design Arena: HTML slidesNot measured1130Only MiniMax M3 measured
Design Arena: PowerPoint slidesNot measured1181Only MiniMax M3 measured
Design Arena: spreadsheetsNot measured1028Only MiniMax M3 measured
LiveBench researchNot measured68.0%Only MiniMax M3 measured
LiveBench browserNot measured8.0%Only MiniMax M3 measured
LiveBench long agenticNot measured12.4%Only MiniMax M3 measured
Finance Agent (Vals AI)Not measured48.3%Only MiniMax M3 measured
Tax Agent Bench (Vals AI)Not measured20.6%Only MiniMax M3 measured
Legal Research Bench (Vals AI)Not measured29.8%Only MiniMax M3 measured
Excel Modeling Benchmark (Vals AI)Not measured47.8%Only MiniMax M3 measured
τ²-Bench Telecom89.5%88.9%Claude Opus 4.5
APEX-AgentsNot measured37.7%Only MiniMax M3 measured
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
OSWorld 2.0Not measured4.6%Only MiniMax M3 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$2,158Claude Opus 4.5
Berkeley Function Calling Leaderboard (BFCL)77.5%Not measuredOnly Claude Opus 4.5 measured
Neither model has a result on the other 14 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index74
Reasoning benchmarks for Claude Opus 4.5 and MiniMax M3
BenchmarkClaude Opus 4.5MiniMax M3Leader
GPQA Diamond85.9%92.7%MiniMax M3
LiveBench reasoningNot measured74.5%Only MiniMax M3 measured
MMMU Pro (Vals AI)83.0%81.2%Claude Opus 4.5
GPQA Diamond (Artificial Analysis run)86.6%92.9%MiniMax M3
Humanity's Last Exam (Artificial Analysis run)30.1%39.0%MiniMax M3
GPQA Diamond (Epoch AI run)86.0%90.9%MiniMax M3
ARC-AGI80.0%Not measuredOnly Claude Opus 4.5 measured
ARC-AGI-237.6%Not measuredOnly Claude Opus 4.5 measured
SimpleBench62.0%45.8%Claude Opus 4.5
Chess puzzles14.0%13.0%Claude Opus 4.5
Mystery game puzzles22.0%8.0%Claude Opus 4.5
EBR-bench14.3%Not measuredOnly Claude Opus 4.5 measured
VPCT40.0%Not measuredOnly Claude Opus 4.5 measured
LMArena Text: hard prompts14761447Claude Opus 4.5
LMArena Text: expert14871461Claude Opus 4.5
LMArena Text: hard prompts in English14821455Claude Opus 4.5
LMArena Vision: diagramsNot measured1266Only MiniMax M3 measured
LMArena Vision: homeworkNot measured1268Only MiniMax M3 measured
Kagi LLM Benchmark80.2%Not measuredOnly Claude Opus 4.5 measured
Neither model has a result on the other 3 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index40
Math benchmarks for Claude Opus 4.5 and MiniMax M3
BenchmarkClaude Opus 4.5MiniMax M3Leader
AIME95.4%Not measuredOnly Claude Opus 4.5 measured
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%71.1%Claude Opus 4.5
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%18.0%Claude Opus 4.5
LMArena Text: math14631429Claude Opus 4.5
LMArena Text: mathematical work14681448Claude Opus 4.5
Neither model has a result on the other 3 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index82
Knowledge benchmarks for Claude Opus 4.5 and MiniMax M3
BenchmarkClaude Opus 4.5MiniMax M3Leader
MMLU Pro87.3%84.2%Claude Opus 4.5
LegalBench (Vals AI)84.6%85.4%MiniMax M3
CaseLaw (Vals AI)62.6%Not measuredOnly Claude Opus 4.5 measured
CorpFin (Vals AI)65.1%68.1%MiniMax M3
TaxEval (Vals AI)74.9%72.7%Claude Opus 4.5
MortgageTax (Vals AI)68.7%68.4%Claude Opus 4.5
MedQA (Vals AI)95.9%Not measuredOnly Claude Opus 4.5 measured
MedCode (Vals AI)49.2%46.3%Claude Opus 4.5
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: science14541452Claude Opus 4.5
LMArena Text: medicine and healthcare14441441Claude Opus 4.5
LMArena Text: legal and government14591437Claude Opus 4.5
LMArena Text: business and finance14481434Claude Opus 4.5
FACTS Benchmark Suite43.9%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 index53
Web design benchmarks for Claude Opus 4.5 and MiniMax M3
BenchmarkClaude Opus 4.5MiniMax M3Leader
Design Arena: websites12471257MiniMax M3
Design Arena: UI components12351242MiniMax M3
Design Arena: game dev12281210Claude Opus 4.5
Design Arena: data viz12431236Claude Opus 4.5
Design Arena: 3D12131208Claude Opus 4.5
Design Arena: all code categories12421247MiniMax M3
Design Arena: SVG11801161Claude Opus 4.5
Design Arena: ASCII art11901161Claude Opus 4.5
LiveBench designNot measured66.2%Only MiniMax M3 measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index213
General benchmarks for Claude Opus 4.5 and MiniMax M3
BenchmarkClaude Opus 4.5MiniMax M3Leader
LiveBench data analysisNot measured76.2%Only MiniMax M3 measured
Public Benefits Bench (Vals AI)Not measured64.1%Only MiniMax M3 measured
SAGE (Vals AI)52.1%50.6%Claude Opus 4.5
MedScribe (Vals AI)85.3%87.3%MiniMax M3
Vals Multimodal IndexNot measured60.0%Only MiniMax M3 measured
IFBench58.0%82.9%MiniMax M3
Long context reasoning (AA-LCR)77.3%83.0%MiniMax M3
DTBench89.9%78.9%Claude Opus 4.5
LMCA44.5%33.7%Claude Opus 4.5
CL-bench21.1%Not measuredOnly Claude Opus 4.5 measured
Surface Evolver BenchNot measured55.0%Only MiniMax M3 measured
Furniture assembly28.3%Not measuredOnly Claude Opus 4.5 measured
LMArena Text14511433Claude Opus 4.5
LMArena Text: instruction following14781433Claude Opus 4.5
LMArena Text: creative writing14451404Claude Opus 4.5
LMArena VisionNot measured1251Only MiniMax M3 measured
LMArena Text: English14611443Claude Opus 4.5
LMArena Text: non-English14381420Claude Opus 4.5
LMArena Text: Chinese14701466Claude Opus 4.5
LMArena Text: German14491428Claude Opus 4.5
LMArena Text: Japanese14171380Claude Opus 4.5
LMArena Text: Korean14241373Claude Opus 4.5
LMArena Text: French14711444Claude Opus 4.5
LMArena Text: Spanish14571433Claude Opus 4.5
LMArena Text: Russian14471426Claude Opus 4.5
LMArena Text: Polish14391423Claude Opus 4.5
LMArena Text: multi-turn14661443Claude Opus 4.5
LMArena Text: longer queries14791446Claude Opus 4.5
LMArena Text: writing and language14521419Claude Opus 4.5
LMArena Text: entertainment and media14341403Claude Opus 4.5
LMArena Vision: EnglishNot measured1263Only MiniMax M3 measured
LMArena Vision: ChineseNot measured1311Only MiniMax M3 measured
LMArena Vision: reading textNot measured1259Only MiniMax M3 measured
LMArena Vision: humorNot measured1235Only MiniMax M3 measured
LMArena Vision: recognizing thingsNot measured1197Only MiniMax M3 measured
LMArena Vision: creative writingNot measured1234Only MiniMax M3 measured
LMArena Document14621435Claude Opus 4.5
Neither model has a result on the other 9 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 M3
BenchmarkClaude Opus 4.5MiniMax 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 4.5$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 4.5$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 4.5$1.25Exceeds the context window
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 4.5 and MiniMax M3
SpecificationAnthropic Claude Opus 4.5MiniMax M3
MakerAnthropicMiniMax
WeightsNo public weights listedOpen weights
ReleasedNovember 24, 2025May 31, 2026
Context window200K1.05M
Input $/Mtok$5.00$0.30
Output $/Mtok$25.00$1.20
Coding index44.039.2
Independent measurements behind it36
Cost per solved task$1.37$0.56
SourceOpenRouter listingOpenRouter listing

Questions

Is Claude Opus 4.5 better than MiniMax M3 for coding?

Pick Claude Opus 4.5 for coding: it scores 44.0 on the Vibe Coding Index against 39.2 for MiniMax M3, though on 3 benchmarks against 6. 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 $1.37).

Which is cheaper, Claude Opus 4.5 or MiniMax M3?

Claude Opus 4.5 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 4.5 costs $1.37 and MiniMax M3 $0.56.

Which has the bigger context window, Claude Opus 4.5 or MiniMax M3?

MiniMax M3, with 1.05M tokens against 200K.

How many benchmarks is the Claude Opus 4.5 vs MiniMax M3 comparison based on?

74 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 M3's on 6. Where only one model has a result, the page says so instead of naming a winner.

Compare next

Embed this comparison on your site

Free under CC BY 4.0, while the source link stays visible. Preview the frame · Terms and other embeds

<iframe src="https://llmbenchmark.ai/embed/compare/claude-opus-4-5-vs-minimax-minimax-m3" title="Claude Opus 4.5 vs MiniMax M3, LLMBenchmark.ai" width="100%" height="360" style="border:0;max-width:100%" loading="lazy"></iframe>
<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Source: <a href="https://llmbenchmark.ai/compare/claude-opus-4-5-vs-minimax-minimax-m3">LLMBenchmark.ai, Claude Opus 4.5 vs MiniMax M3</a></p>