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Claude Opus 4.5 vs MiMo-V2.5-Pro

Claude Opus 4.5 leads MiMo-V2.5-Pro on coding, 44.0 to 31.6 on the Vibe Coding Index, and MiMo-V2.5-Pro costs 27.3x less per output token ($0.9152 vs $25.00 per million). Updated October 22, 2026; 59 benchmarks have a result for both.

Replace Claude Opus 4.5 Replace MiMo-V2.5-Pro
Claude Opus 4.5Anthropic
Coding
44.0
Overall
55.7
Output $/M
$25.00
23
MiMo-V2.5-ProXiaomi
Coding
31.6
Overall
39.3
Output $/M
$0.9152
35
vs boards won of 59 shared, 1 tied

Claude Opus 4.5 or MiMo-V2.5-Pro: which to pick

Pick Claude Opus 4.5 for coding: it scores 44.0 on the Vibe Coding Index against 31.6 for MiMo-V2.5-Pro, though on 3 benchmarks against 4.

Pick MiMo-V2.5-Pro for output tokens 27.3x cheaper ($0.9152 vs $25.00 per million) and a lower cost per solved task ($0.03 against $1.37).

Model AClaude Opus 4.5Anthropic44.0/1003 independent benchmarks$1.37 per solved taskModel BMiMo-V2.5-ProXiaomi31.6/1004 independent benchmarks$0.03 per solved task
Shared results
59
Claude Opus 4.5 only
49
MiMo-V2.5-Pro only
11
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, MiMo-V2.5-Pro 31.6 from 4 benchmarks.
Widest category
Math, 6.9 points apart on average over 3 shared benchmarks.
Widest single gap
IFBench: Claude Opus 4.5 58.0% against MiMo-V2.5-Pro 79.9%, 21.9 points apart on a 0 to 100 scale.
Output price
Claude Opus 4.5 $25.00 against MiMo-V2.5-Pro $0.9152 per million output tokens, 27.3x apart.
Context window
Claude Opus 4.5 takes 200K tokens, MiMo-V2.5-Pro 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 4.5BarsMiMo-V2.5-ProTies
Coding72
Intelligence10
Agentic work01
Reasoning141 tie
Math12
Knowledge54
Web design17
General715
All shared boards23351 tie
CodingLike-for-likeSix of these boards feed the Vibe Coding Index72
Coding benchmarks for Claude Opus 4.5 and MiMo-V2.5-Pro
BenchmarkClaude Opus 4.5MiMo-V2.5-ProLeader
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
LMArena WebDev14941480Claude Opus 4.5
AA Coding IndexNot measured60.2Only MiMo-V2.5-Pro measured
LiveCodeBench (Vals AI)83.7%81.3%Claude Opus 4.5
SWE-bench Verified (Vals AI)76.4%74.0%Claude Opus 4.5
Terminal-Bench 4 (Vals AI)Not measured0.5%Only MiMo-V2.5-Pro measured
Vibe Code Bench (Vals AI)20.6%34.1%MiMo-V2.5-Pro
Code migration (Vals AI)Not measured21.6%Only MiMo-V2.5-Pro measured
Terminal-Bench 2.1 (Vals AI)Not measured57.3%Only MiMo-V2.5-Pro measured
LiveCodeBench (Artificial Analysis run)87.1%Not measuredOnly Claude Opus 4.5 measured
SciCodeNot measured50.6%Only MiMo-V2.5-Pro measured
Terminal-Bench Hard (Artificial Analysis run)47.0%43.2%Claude Opus 4.5
Terminal-Bench63.1%Not measuredOnly Claude Opus 4.5 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 measured899.8Only MiMo-V2.5-Pro measured
LMArena Text: coding15031501Claude Opus 4.5
LMArena Text: software and IT14831495MiMo-V2.5-Pro
LMArena WebDev: React14781469Claude Opus 4.5
LMArena WebDev: HTML15101473Claude Opus 4.5
Neither model has a result on the other 16 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for Claude Opus 4.5 and MiMo-V2.5-Pro
BenchmarkClaude Opus 4.5MiMo-V2.5-ProLeader
AA Intelligence Index29.126.0Claude Opus 4.5
Epoch Capabilities Index150.1Not measuredOnly Claude Opus 4.5 measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index01
Agentic work benchmarks for Claude Opus 4.5 and MiMo-V2.5-Pro
BenchmarkClaude Opus 4.5MiMo-V2.5-ProLeader
AA Agentic IndexNot measured21.3Only MiMo-V2.5-Pro measured
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 apps1189Not measuredOnly Claude Opus 4.5 measured
Design Arena: agents building Android apps1176Not measuredOnly Claude Opus 4.5 measured
Finance Agent (Vals AI)Not measured41.5%Only MiMo-V2.5-Pro measured
Tax Agent Bench (Vals AI)Not measured11.5%Only MiMo-V2.5-Pro measured
Legal Research Bench (Vals AI)Not measured15.9%Only MiMo-V2.5-Pro measured
Excel Modeling Benchmark (Vals AI)Not measured55.2%Only MiMo-V2.5-Pro measured
τ²-Bench Telecom89.5%94.2%MiMo-V2.5-Pro
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$4,967Not measuredOnly Claude Opus 4.5 measured
Berkeley Function Calling Leaderboard (BFCL)77.5%Not measuredOnly Claude Opus 4.5 measured
Neither model has a result on the other 23 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index14
Reasoning benchmarks for Claude Opus 4.5 and MiMo-V2.5-Pro
BenchmarkClaude Opus 4.5MiMo-V2.5-ProLeader
GPQA Diamond85.9%82.6%Claude Opus 4.5
MMMU Pro (Vals AI)83.0%Not measuredOnly Claude Opus 4.5 measured
GPQA Diamond (Artificial Analysis run)86.6%86.6%Tie
Humanity's Last Exam (Artificial Analysis run)30.1%35.7%MiMo-V2.5-Pro
GPQA Diamond (Epoch AI run)86.0%Not measuredOnly Claude Opus 4.5 measured
ARC-AGI80.0%Not measuredOnly Claude Opus 4.5 measured
ARC-AGI-237.6%Not measuredOnly Claude Opus 4.5 measured
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 prompts14761486MiMo-V2.5-Pro
LMArena Text: expert14871501MiMo-V2.5-Pro
LMArena Text: hard prompts in English14821494MiMo-V2.5-Pro
Kagi LLM Benchmark80.2%Not measuredOnly Claude Opus 4.5 measured
Neither model has a result on the other 6 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index12
Math benchmarks for Claude Opus 4.5 and MiMo-V2.5-Pro
BenchmarkClaude Opus 4.5MiMo-V2.5-ProLeader
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%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%22.0%Claude Opus 4.5
LMArena Text: math14631481MiMo-V2.5-Pro
LMArena Text: mathematical work14681491MiMo-V2.5-Pro
Neither model has a result on the other 3 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index54
Knowledge benchmarks for Claude Opus 4.5 and MiMo-V2.5-Pro
BenchmarkClaude Opus 4.5MiMo-V2.5-ProLeader
MMLU Pro87.3%84.6%Claude Opus 4.5
LegalBench (Vals AI)84.6%77.1%Claude Opus 4.5
CaseLaw (Vals AI)62.6%Not measuredOnly Claude Opus 4.5 measured
CorpFin (Vals AI)65.1%61.4%Claude Opus 4.5
TaxEval (Vals AI)74.9%73.8%Claude Opus 4.5
MortgageTax (Vals AI)68.7%Not measuredOnly Claude Opus 4.5 measured
MedQA (Vals AI)95.9%Not measuredOnly Claude Opus 4.5 measured
MedCode (Vals AI)49.2%32.5%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: science14541482MiMo-V2.5-Pro
LMArena Text: medicine and healthcare14441473MiMo-V2.5-Pro
LMArena Text: legal and government14591474MiMo-V2.5-Pro
LMArena Text: business and finance14481466MiMo-V2.5-Pro
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 index17
Web design benchmarks for Claude Opus 4.5 and MiMo-V2.5-Pro
BenchmarkClaude Opus 4.5MiMo-V2.5-ProLeader
Design Arena: websites12471266MiMo-V2.5-Pro
Design Arena: UI components12351246MiMo-V2.5-Pro
Design Arena: game dev12281261MiMo-V2.5-Pro
Design Arena: data viz12431257MiMo-V2.5-Pro
Design Arena: 3D12131243MiMo-V2.5-Pro
Design Arena: all code categories12421265MiMo-V2.5-Pro
Design Arena: SVG11801181MiMo-V2.5-Pro
Design Arena: ASCII art11901156Claude Opus 4.5
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index715
General benchmarks for Claude Opus 4.5 and MiMo-V2.5-Pro
BenchmarkClaude Opus 4.5MiMo-V2.5-ProLeader
SAGE (Vals AI)52.1%Not measuredOnly Claude Opus 4.5 measured
MedScribe (Vals AI)85.3%83.7%Claude Opus 4.5
IFBench58.0%79.9%MiMo-V2.5-Pro
Long context reasoning (AA-LCR)77.3%79.7%MiMo-V2.5-Pro
DTBench89.9%84.5%Claude Opus 4.5
LMCA44.5%29.5%Claude Opus 4.5
CL-bench21.1%Not measuredOnly Claude Opus 4.5 measured
Furniture assembly28.3%Not measuredOnly Claude Opus 4.5 measured
LMArena Text14511464MiMo-V2.5-Pro
LMArena Text: instruction following14781475Claude Opus 4.5
LMArena Text: creative writing14451438Claude Opus 4.5
LMArena Text: English14611477MiMo-V2.5-Pro
LMArena Text: non-English14381448MiMo-V2.5-Pro
LMArena Text: Chinese14701507MiMo-V2.5-Pro
LMArena Text: German14491459MiMo-V2.5-Pro
LMArena Text: Japanese14171410Claude Opus 4.5
LMArena Text: Korean14241435MiMo-V2.5-Pro
LMArena Text: French14711487MiMo-V2.5-Pro
LMArena Text: Spanish14571469MiMo-V2.5-Pro
LMArena Text: Russian14471449MiMo-V2.5-Pro
LMArena Text: Polish14391464MiMo-V2.5-Pro
LMArena Text: multi-turn14661476MiMo-V2.5-Pro
LMArena Text: longer queries14791481MiMo-V2.5-Pro
LMArena Text: writing and language14521451Claude Opus 4.5
LMArena Text: entertainment and media14341438MiMo-V2.5-Pro
LMArena Document1462Not 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 MiMo-V2.5-Pro
BenchmarkClaude Opus 4.5MiMo-V2.5-ProLeader
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
MiMo-V2.5-Pro$0.0009Fits in one request

MiMo-V2.5-Pro costs less

Repository review

50K input + 3K output tokens

Claude Opus 4.5$0.325Fits in one request
MiMo-V2.5-Pro$0.026Fits in one request

MiMo-V2.5-Pro costs less

Agent loop

200K input + 10K output tokens

Claude Opus 4.5$1.25Exceeds the context window
MiMo-V2.5-Pro$0.101Fits in one request

MiMo-V2.5-Pro 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 MiMo-V2.5-Pro
SpecificationAnthropic Claude Opus 4.5Xiaomi MiMo-V2.5-Pro
MakerAnthropicXiaomi
WeightsNo public weights listedOpen weights
ReleasedNovember 24, 2025April 22, 2026
Context window200K1.05M
Input $/Mtok$5.00$0.4575
Output $/Mtok$25.00$0.9152
Coding index44.031.6
Independent measurements behind it34
Cost per solved task$1.37$0.03
SourceOpenRouter listingOpenRouter listing

Questions

Is Claude Opus 4.5 better than MiMo-V2.5-Pro for coding?

Pick Claude Opus 4.5 for coding: it scores 44.0 on the Vibe Coding Index against 31.6 for MiMo-V2.5-Pro, though on 3 benchmarks against 4. Pick MiMo-V2.5-Pro for output tokens 27.3x cheaper ($0.9152 vs $25.00 per million) and a lower cost per solved task ($0.03 against $1.37).

Which is cheaper, Claude Opus 4.5 or MiMo-V2.5-Pro?

Claude Opus 4.5 costs $5.00 per million input tokens and $25.00 per million output tokens; MiMo-V2.5-Pro costs $0.4575 and $0.9152. Per solved SWE-bench Verified task, Claude Opus 4.5 costs $1.37 and MiMo-V2.5-Pro $0.03.

Which has the bigger context window, Claude Opus 4.5 or MiMo-V2.5-Pro?

MiMo-V2.5-Pro, with 1.05M tokens against 200K.

How many benchmarks is the Claude Opus 4.5 vs MiMo-V2.5-Pro comparison based on?

59 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 MiMo-V2.5-Pro's on 4. Where only one model has a result, the page says so instead of naming a winner.

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