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Claude Opus 5.5 vs MiniMax M2.7

Claude Opus 5.5 leads MiniMax M2.7 on coding, 88.8 to 36.2 on the Vibe Coding Index, and MiniMax M2.7 costs 16.7x less per output token ($1.20 vs $20.00 per million). Updated October 22, 2026; 52 benchmarks have a result for both.

Replace Claude Opus 5.5 Replace MiniMax M2.7
Claude Opus 5.5Anthropic
Coding
88.8
Overall
87.1
Output $/M
$20.00
52
MiniMax M2.7MiniMax
Coding
36.2
Overall
44.5
Output $/M
$1.20
0
vs boards won of 52 shared

Claude Opus 5.5 or MiniMax M2.7: which to pick

Pick Claude Opus 5.5 for coding: it scores 88.8 on the Vibe Coding Index against 36.2 for MiniMax M2.7.

Pick MiniMax M2.7 for output tokens 16.7x cheaper ($1.20 vs $20.00 per million).

Model AClaude Opus 5.5Anthropic88.8/1005 independent benchmarksNo cost per solved taskModel BMiniMax M2.7MiniMax36.2/1003 independent benchmarks$0.64 per solved task
Shared results
52
Claude Opus 5.5 only
60
MiniMax M2.7 only
22
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 5.5 88.8 from 5 benchmarks, MiniMax M2.7 36.2 from 3 benchmarks.
Widest category
Math, 42.1 points apart on average over 3 shared benchmarks.
Widest single gap
ProofBench: Claude Opus 5.5 100.0% against MiniMax M2.7 3.0%, 97.0 points apart on a 0 to 100 scale.
Output price
Claude Opus 5.5 $20.00 against MiniMax M2.7 $1.20 per million output tokens, 16.7x apart.
Context window
Claude Opus 5.5 takes 1M tokens, MiniMax M2.7 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 5.5BarsMiniMax M2.7Ties
Coding110
Intelligence20
Agentic work40
Reasoning40
Math30
Knowledge50
Web design70
General160
All shared boards520
CodingLike-for-likeSix of these boards feed the Vibe Coding Index110
Coding benchmarks for Claude Opus 5.5 and MiniMax M2.7
BenchmarkClaude Opus 5.5MiniMax M2.7Leader
LiveBench coding96.3%Not measuredOnly Claude Opus 5.5 measured
LMArena WebDev18071399Claude Opus 5.5
AA Coding IndexNot measured52.6Only MiniMax M2.7 measured
LiveCodeBench (Vals AI)Not measured79.9%Only MiniMax M2.7 measured
SWE-bench Verified (Vals AI)Not measured73.8%Only MiniMax M2.7 measured
Terminal-Bench 4 (Vals AI)65.2%Not measuredOnly Claude Opus 5.5 measured
Vibe Code Bench (Vals AI)90.3%11.9%Claude Opus 5.5
Code migration (Vals AI)66.7%8.7%Claude Opus 5.5
ProgramBench (Vals AI)18.5%0.0%Claude Opus 5.5
IOI (Vals AI)95.1%Not measuredOnly Claude Opus 5.5 measured
Terminal-Bench 2.1 (Vals AI)87.6%48.7%Claude Opus 5.5
SWE-bench Multimodal (Vals AI)70.2%Not measuredOnly Claude Opus 5.5 measured
Vibe Code Bench 1-100 (Vals AI)30.4%Not measuredOnly Claude Opus 5.5 measured
CyberBench (Vals AI)74.6%Not measuredOnly Claude Opus 5.5 measured
SciCode66.9%50.1%Claude Opus 5.5
Terminal-Bench Hard (Artificial Analysis run)Not measured39.4%Only MiniMax M2.7 measured
Terminal-BenchNot measured45.1%Only MiniMax M2.7 measured
FrontierCode54.6%Not measuredOnly Claude Opus 5.5 measured
FrontierSWE62.3%Not measuredOnly Claude Opus 5.5 measured
WeirdMLNot measured37.0%Only MiniMax M2.7 measured
MirrorCode77.4%Not measuredOnly Claude Opus 5.5 measured
ALE-Bench2147.4599.3Claude Opus 5.5
LMArena Text: coding15451454Claude Opus 5.5
LMArena Text: software and IT15381446Claude Opus 5.5
LMArena WebDev: React18551388Claude Opus 5.5
LMArena WebDev: HTML17531401Claude Opus 5.5
LMArena WebDev: from an image1753Not measuredOnly Claude Opus 5.5 measured
SciCode18.5%Not measuredOnly Claude Opus 5.5 measured
Neither model has a result on the other 15 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
Intelligence benchmarks for Claude Opus 5.5 and MiniMax M2.7
BenchmarkClaude Opus 5.5MiniMax M2.7Leader
AA Intelligence Index57.622.8Claude Opus 5.5
Epoch Capabilities Index168.8145.8Claude Opus 5.5
Agentic workLike-for-likePublic boards, shown as published, kept out of the index40
Agentic work benchmarks for Claude Opus 5.5 and MiniMax M2.7
BenchmarkClaude Opus 5.5MiniMax M2.7Leader
AA Agentic IndexNot measured15.3Only MiniMax M2.7 measured
Design Arena: agents building web apps1316Not measuredOnly Claude Opus 5.5 measured
Design Arena: agents building mobile apps1310Not measuredOnly Claude Opus 5.5 measured
Design Arena: spreadsheets1385Not measuredOnly Claude Opus 5.5 measured
LiveBench research85.0%Not measuredOnly Claude Opus 5.5 measured
LiveBench browser80.0%Not measuredOnly Claude Opus 5.5 measured
LiveBench long agentic85.0%Not measuredOnly Claude Opus 5.5 measured
SREBench (Vals AI)33.6%Not measuredOnly Claude Opus 5.5 measured
Finance Agent (Vals AI)58.6%27.9%Claude Opus 5.5
Tax Agent Bench (Vals AI)45.6%6.9%Claude Opus 5.5
Legal Research Bench (Vals AI)50.5%10.6%Claude Opus 5.5
Harvey's Legal Agent Benchmark (Vals AI)9.2%Not measuredOnly Claude Opus 5.5 measured
Excel Modeling Benchmark (Vals AI)75.9%28.4%Claude Opus 5.5
BioMysteryBench (Vals AI)79.3%Not measuredOnly Claude Opus 5.5 measured
Terminal-Bench-Science (Vals AI)47.1%Not measuredOnly Claude Opus 5.5 measured
Vals Science Index58.7%Not measuredOnly Claude Opus 5.5 measured
Time Horizon Index (Vals AI)91.3%Not measuredOnly Claude Opus 5.5 measured
CUA-bench (Vals AI)14.0%Not measuredOnly Claude Opus 5.5 measured
Robo-bench (Vals AI)14.6%Not measuredOnly Claude Opus 5.5 measured
τ²-Bench TelecomNot measured84.8%Only MiniMax M2.7 measured
APEX-Agents73.5%Not measuredOnly Claude Opus 5.5 measured
Remote Labor Index21.3%Not measuredOnly Claude Opus 5.5 measured
SpireClimb3.3%Not measuredOnly Claude Opus 5.5 measured
Vending-Bench 2$9,235Not measuredOnly Claude Opus 5.5 measured
LMArena Search1213Not measuredOnly Claude Opus 5.5 measured
Neither model has a result on the other 17 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index40
Reasoning benchmarks for Claude Opus 5.5 and MiniMax M2.7
BenchmarkClaude Opus 5.5MiniMax M2.7Leader
GPQA DiamondNot measured86.6%Only MiniMax M2.7 measured
LiveBench reasoning92.2%Not measuredOnly Claude Opus 5.5 measured
MysteryMechanism (Vals AI)49.5%Not measuredOnly Claude Opus 5.5 measured
GPQA Diamond (Artificial Analysis run)Not measured87.4%Only MiniMax M2.7 measured
Humanity's Last Exam (Artificial Analysis run)61.4%29.6%Claude Opus 5.5
GPQA Diamond (Epoch AI run)90.6%Not measuredOnly Claude Opus 5.5 measured
ARC-AGI98.5%Not measuredOnly Claude Opus 5.5 measured
ARC-AGI-293.3%Not measuredOnly Claude Opus 5.5 measured
Chess puzzles67.0%Not measuredOnly Claude Opus 5.5 measured
Mystery game puzzles71.0%Not measuredOnly Claude Opus 5.5 measured
EBR-bench71.4%Not measuredOnly Claude Opus 5.5 measured
LMArena Text: hard prompts15361422Claude Opus 5.5
LMArena Text: expert15491443Claude Opus 5.5
LMArena Text: hard prompts in English15351441Claude Opus 5.5
LMArena Vision: diagrams1345Not measuredOnly Claude Opus 5.5 measured
LMArena Vision: homework1362Not measuredOnly Claude Opus 5.5 measured
Humanity's Last Exam (Scale run)55.0%Not measuredOnly Claude Opus 5.5 measured
Neither model has a result on the other 6 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index30
Math benchmarks for Claude Opus 5.5 and MiniMax M2.7
BenchmarkClaude Opus 5.5MiniMax M2.7Leader
AIMENot measured91.0%Only MiniMax M2.7 measured
OTIS Mock AIME100.0%Not measuredOnly Claude Opus 5.5 measured
FrontierMath, tiers 1 to 391.2%Not measuredOnly Claude Opus 5.5 measured
FrontierMath, tier 495.0%Not measuredOnly Claude Opus 5.5 measured
ProofBench100.0%3.0%Claude Opus 5.5
LMArena Text: math15181421Claude Opus 5.5
LMArena Text: mathematical work15161437Claude Opus 5.5
MathArena79.0%Not measuredOnly Claude Opus 5.5 measured
Neither model has a result on the other 6 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index50
Knowledge benchmarks for Claude Opus 5.5 and MiniMax M2.7
BenchmarkClaude Opus 5.5MiniMax M2.7Leader
MMLU ProNot measured80.4%Only MiniMax M2.7 measured
LegalBench (Vals AI)Not measured84.0%Only MiniMax M2.7 measured
CaseLaw (Vals AI)Not measured60.9%Only MiniMax M2.7 measured
CorpFin (Vals AI)Not measured61.2%Only MiniMax M2.7 measured
TaxEval (Vals AI)Not measured66.6%Only MiniMax M2.7 measured
MedCode (Vals AI)49.8%34.4%Claude Opus 5.5
SimpleQA Verified72.2%Not measuredOnly Claude Opus 5.5 measured
LMArena Text: science15241416Claude Opus 5.5
LMArena Text: medicine and healthcare15091409Claude Opus 5.5
LMArena Text: legal and government15181403Claude Opus 5.5
LMArena Text: business and finance14941407Claude Opus 5.5
FACTS Benchmark Suite65.3%Not measuredOnly Claude Opus 5.5 measured
PRBench Legal47.6%Not measuredOnly Claude Opus 5.5 measured
Neither model has a result on the other 7 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index70
Web design benchmarks for Claude Opus 5.5 and MiniMax M2.7
BenchmarkClaude Opus 5.5MiniMax M2.7Leader
Design Arena: websites13351242Claude Opus 5.5
Design Arena: UI components13821207Claude Opus 5.5
Design Arena: game dev14551209Claude Opus 5.5
Design Arena: data viz13981233Claude Opus 5.5
Design Arena: 3D14761194Claude Opus 5.5
Design Arena: all code categories13881233Claude Opus 5.5
Design Arena: SVG13281137Claude Opus 5.5
Design Arena: ASCII artNot measured1136Only MiniMax M2.7 measured
LiveBench design86.9%Not measuredOnly Claude Opus 5.5 measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index160
General benchmarks for Claude Opus 5.5 and MiniMax M2.7
BenchmarkClaude Opus 5.5MiniMax M2.7Leader
Vals Index70.2%Not measuredOnly Claude Opus 5.5 measured
LiveBench data analysis80.3%Not measuredOnly Claude Opus 5.5 measured
Public Benefits Bench (Vals AI)70.6%Not measuredOnly Claude Opus 5.5 measured
SAGE (Vals AI)45.8%Not measuredOnly Claude Opus 5.5 measured
MedScribe (Vals AI)91.4%79.9%Claude Opus 5.5
IFBenchNot measured75.7%Only MiniMax M2.7 measured
Long context reasoning (AA-LCR)84.7%78.3%Claude Opus 5.5
DTBench98.9%Not measuredOnly Claude Opus 5.5 measured
LMCA68.2%Not measuredOnly Claude Opus 5.5 measured
Furniture assembly83.3%Not measuredOnly Claude Opus 5.5 measured
ExploitBenchNot measured13.3%Only MiniMax M2.7 measured
LMArena Text15161405Claude Opus 5.5
LMArena Text: instruction following15371405Claude Opus 5.5
LMArena Text: creative writing15351354Claude Opus 5.5
LMArena Vision1321Not measuredOnly Claude Opus 5.5 measured
LMArena Text: English15191426Claude Opus 5.5
LMArena Text: non-English15071382Claude Opus 5.5
LMArena Text: Chinese15821442Claude Opus 5.5
LMArena Text: GermanNot measured1398Only MiniMax M2.7 measured
LMArena Text: Japanese15341260Claude Opus 5.5
LMArena Text: KoreanNot measured1314Only MiniMax M2.7 measured
LMArena Text: French14931424Claude Opus 5.5
LMArena Text: Spanish15081402Claude Opus 5.5
LMArena Text: Russian15171383Claude Opus 5.5
LMArena Text: PolishNot measured1387Only MiniMax M2.7 measured
LMArena Text: multi-turn15011412Claude Opus 5.5
LMArena Text: longer queries15321418Claude Opus 5.5
LMArena Text: writing and language15321376Claude Opus 5.5
LMArena Text: entertainment and media15151360Claude Opus 5.5
LMArena Vision: English1317Not measuredOnly Claude Opus 5.5 measured
LMArena Vision: reading text1326Not measuredOnly Claude Opus 5.5 measured
LMArena Vision: creative writing1320Not measuredOnly Claude Opus 5.5 measured
Neither model has a result on the other 16 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Claude Opus 5.5 and MiniMax M2.7
BenchmarkClaude Opus 5.5MiniMax M2.7Leader
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 5.5$0.014Fits in one request
MiniMax M2.7$0.0009Fits in one request

MiniMax M2.7 costs less

Repository review

50K input + 3K output tokens

Claude Opus 5.5$0.260Fits in one request
MiniMax M2.7$0.019Fits in one request

MiniMax M2.7 costs less

Agent loop

200K input + 10K output tokens

Claude Opus 5.5$1.00Fits in one request
MiniMax M2.7$0.072Exceeds the context window

MiniMax M2.7 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 5.5 and MiniMax M2.7
SpecificationAnthropic Claude Opus 5.5MiniMax M2.7
MakerAnthropicMiniMax
WeightsNo public weights listedOpen weights
ReleasedSeptember 22, 2026March 18, 2026
Context window1M205K
Input $/Mtok$4.00$0.30
Output $/Mtok$20.00$1.20
Coding index88.836.2
Independent measurements behind it53
Cost per solved taskNot computable$0.64
SourceOpenRouter listingOpenRouter listing

Questions

Is Claude Opus 5.5 better than MiniMax M2.7 for coding?

Pick Claude Opus 5.5 for coding: it scores 88.8 on the Vibe Coding Index against 36.2 for MiniMax M2.7. Pick MiniMax M2.7 for output tokens 16.7x cheaper ($1.20 vs $20.00 per million).

Which is cheaper, Claude Opus 5.5 or MiniMax M2.7?

Claude Opus 5.5 costs $4.00 per million input tokens and $20.00 per million output tokens; MiniMax M2.7 costs $0.30 and $1.20. Cost per solved task is known for MiniMax M2.7 only.

Which has the bigger context window, Claude Opus 5.5 or MiniMax M2.7?

Claude Opus 5.5, with 1M tokens against 205K.

How many benchmarks is the Claude Opus 5.5 vs MiniMax M2.7 comparison based on?

52 benchmarks have a result for both models as of October 22, 2026. Claude Opus 5.5's coding index rests on 5 independent benchmarks and MiniMax M2.7's on 3. Where only one model has a result, the page says so instead of naming a winner.

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