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Claude Sonnet 5.5 vs MiniMax M2.5

Claude Sonnet 5.5 leads MiniMax M2.5 on coding, 87.3 to 37.2 on the Vibe Coding Index, and MiniMax M2.5 costs 8.3x less per output token ($1.20 vs $10.00 per million). Updated October 22, 2026; 41 benchmarks have a result for both.

Replace Claude Sonnet 5.5 Replace MiniMax M2.5
Claude Sonnet 5.5Anthropic
Coding
87.3
Overall
82.8
Output $/M
$10.00
41
MiniMax M2.5MiniMax
Coding
37.2
Overall
37.3
Output $/M
$1.20
0
vs boards won of 41 shared

Claude Sonnet 5.5 or MiniMax M2.5: which to pick

Pick Claude Sonnet 5.5 for coding: it scores 87.3 on the Vibe Coding Index against 37.2 for MiniMax M2.5.

Pick MiniMax M2.5 for output tokens 8.3x cheaper ($1.20 vs $10.00 per million).

Model AClaude Sonnet 5.5Anthropic87.3/1005 independent benchmarksNo cost per solved taskModel BMiniMax M2.5MiniMax37.2/1003 independent benchmarks$0.62 per solved task
Shared results
41
Claude Sonnet 5.5 only
57
MiniMax M2.5 only
30
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 Sonnet 5.5 87.3 from 5 benchmarks, MiniMax M2.5 37.2 from 3 benchmarks.
Widest category
Agentic work, 69.8 points apart on average over 1 shared benchmark.
Widest single gap
ProofBench: Claude Sonnet 5.5 100.0% against MiniMax M2.5 4.0%, 96.0 points apart on a 0 to 100 scale.
Output price
Claude Sonnet 5.5 $10.00 against MiniMax M2.5 $1.20 per million output tokens, 8.3x apart.
Context window
Claude Sonnet 5.5 takes 1M 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 Sonnet 5.5BarsMiniMax M2.5Ties
Coding70
Intelligence20
Agentic work10
Reasoning40
Math30
Knowledge40
Web design60
General140
All shared boards410
CodingLike-for-likeSix of these boards feed the Vibe Coding Index70
Coding benchmarks for Claude Sonnet 5.5 and MiniMax M2.5
BenchmarkClaude Sonnet 5.5MiniMax M2.5Leader
SWE-bench VerifiedNot measured75.8%Only MiniMax M2.5 measured
SWE-bench MultilingualNot measured68.3%Only MiniMax M2.5 measured
LiveBench coding94.7%Not measuredOnly Claude Sonnet 5.5 measured
LMArena WebDev17681386Claude Sonnet 5.5
LiveCodeBench (Vals AI)Not measured79.2%Only MiniMax M2.5 measured
SWE-bench Verified (Vals AI)Not measured74.2%Only MiniMax M2.5 measured
Terminal-Bench 4 (Vals AI)64.1%Not measuredOnly Claude Sonnet 5.5 measured
Vibe Code Bench (Vals AI)92.4%14.8%Claude Sonnet 5.5
Code migration (Vals AI)69.8%Not measuredOnly Claude Sonnet 5.5 measured
ProgramBench (Vals AI)6.5%Not measuredOnly Claude Sonnet 5.5 measured
IOI (Vals AI)83.1%Not measuredOnly Claude Sonnet 5.5 measured
Terminal-Bench 2.1 (Vals AI)83.2%Not measuredOnly Claude Sonnet 5.5 measured
SWE-bench Multimodal (Vals AI)58.3%Not measuredOnly Claude Sonnet 5.5 measured
CyberBench (Vals AI)59.6%Not measuredOnly Claude Sonnet 5.5 measured
SciCode61.0%Not measuredOnly Claude Sonnet 5.5 measured
Terminal-Bench Hard (Artificial Analysis run)Not measured34.8%Only MiniMax M2.5 measured
Terminal-BenchNot measured42.7%Only MiniMax M2.5 measured
FrontierCode52.1%Not measuredOnly Claude Sonnet 5.5 measured
FrontierSWE61.9%Not measuredOnly Claude Sonnet 5.5 measured
ALE-Bench1819.1618.2Claude Sonnet 5.5
LMArena Text: coding15131380Claude Sonnet 5.5
LMArena Text: software and IT15041383Claude Sonnet 5.5
LMArena WebDev: React18171374Claude Sonnet 5.5
LMArena WebDev: HTML17411414Claude Sonnet 5.5
LMArena WebDev: from an image1737Not measuredOnly Claude Sonnet 5.5 measured
SciCode13.8%Not measuredOnly Claude Sonnet 5.5 measured
SWE-Bench Pro V295.8%Not measuredOnly Claude Sonnet 5.5 measured
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 13 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
Intelligence benchmarks for Claude Sonnet 5.5 and MiniMax M2.5
BenchmarkClaude Sonnet 5.5MiniMax M2.5Leader
AA Intelligence Index56.022.8Claude Sonnet 5.5
Epoch Capabilities Index166.2146.6Claude Sonnet 5.5
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
Agentic work benchmarks for Claude Sonnet 5.5 and MiniMax M2.5
BenchmarkClaude Sonnet 5.5MiniMax M2.5Leader
Design Arena: agents building web apps1305Not measuredOnly Claude Sonnet 5.5 measured
Design Arena: agents building mobile apps1260Not measuredOnly Claude Sonnet 5.5 measured
Design Arena: spreadsheets1271Not measuredOnly Claude Sonnet 5.5 measured
LiveBench research83.6%Not measuredOnly Claude Sonnet 5.5 measured
LiveBench browser84.0%Not measuredOnly Claude Sonnet 5.5 measured
LiveBench long agentic78.8%Not measuredOnly Claude Sonnet 5.5 measured
SREBench (Vals AI)30.1%Not measuredOnly Claude Sonnet 5.5 measured
Finance Agent (Vals AI)58.1%Not measuredOnly Claude Sonnet 5.5 measured
Tax Agent Bench (Vals AI)42.0%Not measuredOnly Claude Sonnet 5.5 measured
Legal Research Bench (Vals AI)48.1%Not measuredOnly Claude Sonnet 5.5 measured
Harvey's Legal Agent Benchmark (Vals AI)10.4%Not measuredOnly Claude Sonnet 5.5 measured
Excel Modeling Benchmark (Vals AI)75.7%Not measuredOnly Claude Sonnet 5.5 measured
BioMysteryBench (Vals AI)81.1%Not measuredOnly Claude Sonnet 5.5 measured
Terminal-Bench-Science (Vals AI)47.1%Not measuredOnly Claude Sonnet 5.5 measured
Vals Science Index59.1%Not measuredOnly Claude Sonnet 5.5 measured
τ²-Bench TelecomNot measured95.3%Only MiniMax M2.5 measured
APEX-Agents75.5%Not measuredOnly Claude Sonnet 5.5 measured
SpireClimb1.3%Not measuredOnly Claude Sonnet 5.5 measured
Vending-Bench 2$11,165-$23Claude Sonnet 5.5
Neither model has a result on the other 23 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index40
Reasoning benchmarks for Claude Sonnet 5.5 and MiniMax M2.5
BenchmarkClaude Sonnet 5.5MiniMax M2.5Leader
GPQA DiamondNot measured82.1%Only MiniMax M2.5 measured
LiveBench reasoning91.6%Not measuredOnly Claude Sonnet 5.5 measured
MysteryMechanism (Vals AI)49.1%Not measuredOnly Claude Sonnet 5.5 measured
GPQA Diamond (Artificial Analysis run)Not measured84.8%Only MiniMax M2.5 measured
Humanity's Last Exam (Artificial Analysis run)55.0%20.5%Claude Sonnet 5.5
GPQA Diamond (Epoch AI run)95.6%Not measuredOnly Claude Sonnet 5.5 measured
ARC-AGINot measured63.7%Only MiniMax M2.5 measured
ARC-AGI-2Not measured4.9%Only MiniMax M2.5 measured
Chess puzzles59.0%Not measuredOnly Claude Sonnet 5.5 measured
Mystery game puzzles65.0%Not measuredOnly Claude Sonnet 5.5 measured
LMArena Text: hard prompts14941372Claude Sonnet 5.5
LMArena Text: expert15311378Claude Sonnet 5.5
LMArena Text: hard prompts in English15021384Claude Sonnet 5.5
LMArena Vision: diagrams1329Not measuredOnly Claude Sonnet 5.5 measured
LMArena Vision: homework1331Not measuredOnly Claude Sonnet 5.5 measured
Kagi LLM BenchmarkNot measured55.2%Only MiniMax M2.5 measured
Humanity's Last Exam (Scale run)37.5%Not measuredOnly Claude Sonnet 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 Sonnet 5.5 and MiniMax M2.5
BenchmarkClaude Sonnet 5.5MiniMax M2.5Leader
AIMENot measured88.8%Only MiniMax M2.5 measured
OTIS Mock AIME100.0%Not measuredOnly Claude Sonnet 5.5 measured
FrontierMath, tiers 1 to 388.8%Not measuredOnly Claude Sonnet 5.5 measured
FrontierMath, tier 480.5%Not measuredOnly Claude Sonnet 5.5 measured
ProofBench100.0%4.0%Claude Sonnet 5.5
LMArena Text: math14971378Claude Sonnet 5.5
LMArena Text: mathematical work15101378Claude Sonnet 5.5
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index40
Knowledge benchmarks for Claude Sonnet 5.5 and MiniMax M2.5
BenchmarkClaude Sonnet 5.5MiniMax M2.5Leader
MMLU ProNot measured80.1%Only MiniMax M2.5 measured
LegalBench (Vals AI)Not measured80.0%Only MiniMax M2.5 measured
CaseLaw (Vals AI)Not measured53.5%Only MiniMax M2.5 measured
CorpFin (Vals AI)Not measured59.6%Only MiniMax M2.5 measured
TaxEval (Vals AI)Not measured68.2%Only MiniMax M2.5 measured
MedQA (Vals AI)Not measured92.5%Only MiniMax M2.5 measured
MedCode (Vals AI)52.9%Not measuredOnly Claude Sonnet 5.5 measured
SimpleQA Verified46.5%Not measuredOnly Claude Sonnet 5.5 measured
LMArena Text: science14831369Claude Sonnet 5.5
LMArena Text: medicine and healthcare14641357Claude Sonnet 5.5
LMArena Text: legal and government14831366Claude Sonnet 5.5
LMArena Text: business and finance14681356Claude Sonnet 5.5
Neither model has a result on the other 8 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index60
Web design benchmarks for Claude Sonnet 5.5 and MiniMax M2.5
BenchmarkClaude Sonnet 5.5MiniMax M2.5Leader
Design Arena: websites13271222Claude Sonnet 5.5
Design Arena: UI components13691170Claude Sonnet 5.5
Design Arena: game dev14721176Claude Sonnet 5.5
Design Arena: data viz13821172Claude Sonnet 5.5
Design Arena: 3D14421170Claude Sonnet 5.5
Design Arena: all code categories13651207Claude Sonnet 5.5
Design Arena: SVGNot measured1150Only MiniMax M2.5 measured
LiveBench design85.0%Not measuredOnly Claude Sonnet 5.5 measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index140
General benchmarks for Claude Sonnet 5.5 and MiniMax M2.5
BenchmarkClaude Sonnet 5.5MiniMax M2.5Leader
Vals Index70.8%Not measuredOnly Claude Sonnet 5.5 measured
LiveBench data analysis59.5%Not measuredOnly Claude Sonnet 5.5 measured
Public Benefits Bench (Vals AI)67.2%Not measuredOnly Claude Sonnet 5.5 measured
SAGE (Vals AI)51.8%Not measuredOnly Claude Sonnet 5.5 measured
MedScribe (Vals AI)91.1%Not measuredOnly Claude Sonnet 5.5 measured
IFBenchNot measured71.6%Only MiniMax M2.5 measured
Long context reasoning (AA-LCR)82.7%73.3%Claude Sonnet 5.5
DTBench97.3%Not measuredOnly Claude Sonnet 5.5 measured
LMCA68.3%Not measuredOnly Claude Sonnet 5.5 measured
CL-benchNot measured11.4%Only MiniMax M2.5 measured
Furniture assembly75.0%Not measuredOnly Claude Sonnet 5.5 measured
CL-bench LifeNot measured6.3%Only MiniMax M2.5 measured
LMArena Text14731359Claude Sonnet 5.5
LMArena Text: instruction following14921353Claude Sonnet 5.5
LMArena Text: creative writing14671331Claude Sonnet 5.5
LMArena Vision1287Not measuredOnly Claude Sonnet 5.5 measured
LMArena Text: English14841380Claude Sonnet 5.5
LMArena Text: non-English14561338Claude Sonnet 5.5
LMArena Text: Chinese15351393Claude Sonnet 5.5
LMArena Text: GermanNot measured1361Only MiniMax M2.5 measured
LMArena Text: JapaneseNot measured1171Only MiniMax M2.5 measured
LMArena Text: KoreanNot measured1233Only MiniMax M2.5 measured
LMArena Text: French14991363Claude Sonnet 5.5
LMArena Text: Spanish14511353Claude Sonnet 5.5
LMArena Text: Russian14541359Claude Sonnet 5.5
LMArena Text: PolishNot measured1334Only MiniMax M2.5 measured
LMArena Text: multi-turn14651364Claude Sonnet 5.5
LMArena Text: longer queries14951366Claude Sonnet 5.5
LMArena Text: writing and language14741345Claude Sonnet 5.5
LMArena Text: entertainment and media14611329Claude Sonnet 5.5
LMArena Vision: English1289Not measuredOnly Claude Sonnet 5.5 measured
LMArena Vision: reading text1297Not measuredOnly Claude Sonnet 5.5 measured
LMArena Vision: creative writing1242Not measuredOnly Claude Sonnet 5.5 measured
Neither model has a result on the other 15 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Claude Sonnet 5.5 and MiniMax M2.5
BenchmarkClaude Sonnet 5.5MiniMax 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 Sonnet 5.5$0.0070Fits in one request
MiniMax M2.5$0.0009Fits in one request

MiniMax M2.5 costs less

Repository review

50K input + 3K output tokens

Claude Sonnet 5.5$0.130Fits in one request
MiniMax M2.5$0.019Fits in one request

MiniMax M2.5 costs less

Agent loop

200K input + 10K output tokens

Claude Sonnet 5.5$0.500Fits in one request
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 Sonnet 5.5 and MiniMax M2.5
SpecificationAnthropic Claude Sonnet 5.5MiniMax M2.5
MakerAnthropicMiniMax
WeightsNo public weights listedOpen weights
ReleasedSeptember 28, 2026February 12, 2026
Context window1M205K
Input $/Mtok$2.00$0.30
Output $/Mtok$10.00$1.20
Coding index87.337.2
Independent measurements behind it53
Cost per solved taskNot computable$0.62
SourceOpenRouter listingOpenRouter listing

Questions

Is Claude Sonnet 5.5 better than MiniMax M2.5 for coding?

Pick Claude Sonnet 5.5 for coding: it scores 87.3 on the Vibe Coding Index against 37.2 for MiniMax M2.5. Pick MiniMax M2.5 for output tokens 8.3x cheaper ($1.20 vs $10.00 per million).

Which is cheaper, Claude Sonnet 5.5 or MiniMax M2.5?

Claude Sonnet 5.5 costs $2.00 per million input tokens and $10.00 per million output tokens; MiniMax M2.5 costs $0.30 and $1.20. Cost per solved task is known for MiniMax M2.5 only.

Which has the bigger context window, Claude Sonnet 5.5 or MiniMax M2.5?

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

How many benchmarks is the Claude Sonnet 5.5 vs MiniMax M2.5 comparison based on?

41 benchmarks have a result for both models as of October 22, 2026. Claude Sonnet 5.5's coding index rests on 5 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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