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Claude Sonnet 4.6 vs MiMo-V2.5

Updated October 21, 2026. 77 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace Claude Sonnet 4.6 Replace MiMo-V2.5
Claude Sonnet 4.6Anthropic
Coding
57.8
Overall
30.1
Output $/M
$15.00
73
MiMo-V2.5Xiaomi
Coding
34.0
Overall
21.8
Output $/M
$0.238
4
vs boards won of 77 shared

Decision reading

Pick Claude Sonnet 4.6 for coding: it scores 57.8 on the Vibe Coding Index against 34.0 for MiMo-V2.5.

Pick MiMo-V2.5 when output tokens cost 63.0x less, or when a solved task costs $0.01 against $1.68.

Model AClaude Sonnet 4.6Anthropic57.8/1002 independent benchmarks$1.68 per solved taskModel BMiMo-V2.5Xiaomi34.0/1001 independent benchmark$0.01 per solved task
Shared results
77
Claude Sonnet 4.6 only
40
MiMo-V2.5 only
3
Like-for-like categories
8 of 9

Shared results can support a head-to-head reading. Results only one model has describe coverage, not superiority.

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 4.6 57.8 from 2 benchmarks, MiMo-V2.5 34.0 from 1 benchmark.
Widest category
Agentic work, 15.6 points apart on average over 6 shared benchmarks.
Widest single gap
Legal Research Bench (Vals AI): Claude Sonnet 4.6 38.5% against MiMo-V2.5 9.1%, 29.3 points apart on a 0 to 100 scale.
Output price
Claude Sonnet 4.6 $15.00 against MiMo-V2.5 $0.238 per million output tokens, 63.0x apart.
Context window
Claude Sonnet 4.6 takes 1M tokens, MiMo-V2.5 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 Sonnet 4.6BarsMiMo-V2.5Ties
Coding121
Intelligence10
Agentic work51
Reasoning90
Math30
Knowledge90
Web design80
General262
All shared boards734
CodingLike-for-likeFour of these boards feed the Vibe Coding Index121
Coding benchmarks for Claude Sonnet 4.6 and MiMo-V2.5
BenchmarkClaude Sonnet 4.6MiMo-V2.5Leader
LiveBench coding66.6%Not measuredOnly Claude Sonnet 4.6 measured
LMArena WebDev15231438Claude Sonnet 4.6
AA Coding Index63.056.8Claude Sonnet 4.6
LiveCodeBench (Vals AI)82.1%81.5%Claude Sonnet 4.6
SWE-bench Verified (Vals AI)77.4%71.0%Claude Sonnet 4.6
Vibe Code Bench (Vals AI)55.8%42.2%Claude Sonnet 4.6
Code migration (Vals AI)39.9%14.2%Claude Sonnet 4.6
ProgramBench (Vals AI)0.5%Not measuredOnly Claude Sonnet 4.6 measured
Terminal-Bench 2.1 (Vals AI)57.3%60.7%MiMo-V2.5
SkillsBench (Vals AI)49.0%Not measuredOnly Claude Sonnet 4.6 measured
SciCode50.1%43.9%Claude Sonnet 4.6
Terminal-Bench Hard (Artificial Analysis run)53.0%41.7%Claude Sonnet 4.6
Terminal-Bench53.4%Not measuredOnly Claude Sonnet 4.6 measured
FrontierCode24.3%Not measuredOnly Claude Sonnet 4.6 measured
WeirdML66.1%Not measuredOnly Claude Sonnet 4.6 measured
ALE-BenchNot measured514.0Only MiMo-V2.5 measured
LMArena Text: coding15031469Claude Sonnet 4.6
LMArena Text: software and IT14911463Claude Sonnet 4.6
LMArena WebDev: React15121425Claude Sonnet 4.6
LMArena WebDev: HTML15271429Claude Sonnet 4.6
LMArena WebDev: from an image1529Not measuredOnly Claude Sonnet 4.6 measured
Neither model has a result on the other 17 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for Claude Sonnet 4.6 and MiMo-V2.5
BenchmarkClaude Sonnet 4.6MiMo-V2.5Leader
AA Intelligence Index30.121.8Claude Sonnet 4.6
Epoch Capabilities Index152.8Not measuredOnly Claude Sonnet 4.6 measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index51
Agentic work benchmarks for Claude Sonnet 4.6 and MiMo-V2.5
BenchmarkClaude Sonnet 4.6MiMo-V2.5Leader
AA Agentic Index31.815.8Claude Sonnet 4.6
Design Arena: agents building web apps1190Not measuredOnly Claude Sonnet 4.6 measured
Design Arena: agents building full-stack apps1213Not measuredOnly Claude Sonnet 4.6 measured
Design Arena: agents building mobile apps1212Not measuredOnly Claude Sonnet 4.6 measured
Design Arena: agents building Android apps1202Not measuredOnly Claude Sonnet 4.6 measured
Design Arena: agents building Godot games1226Not measuredOnly Claude Sonnet 4.6 measured
Design Arena: agents building games1177Not measuredOnly Claude Sonnet 4.6 measured
LiveBench research63.6%Not measuredOnly Claude Sonnet 4.6 measured
LiveBench browser68.0%Not measuredOnly Claude Sonnet 4.6 measured
LiveBench long agentic23.1%Not measuredOnly Claude Sonnet 4.6 measured
Finance Agent (Vals AI)51.0%36.7%Claude Sonnet 4.6
Tax Agent Bench (Vals AI)25.8%7.8%Claude Sonnet 4.6
Legal Research Bench (Vals AI)38.5%9.1%Claude Sonnet 4.6
Excel Modeling Benchmark (Vals AI)60.2%55.1%Claude Sonnet 4.6
τ²-Bench Telecom79.5%90.6%MiMo-V2.5
APEX-Agents43.0%Not measuredOnly Claude Sonnet 4.6 measured
OSWorld 2.09.3%Not measuredOnly Claude Sonnet 4.6 measured
DeepResearch Bench54.9%Not measuredOnly Claude Sonnet 4.6 measured
OSWorld72.1%Not measuredOnly Claude Sonnet 4.6 measured
Vending-Bench 2$7,204Not measuredOnly Claude Sonnet 4.6 measured
Neither model has a result on the other 19 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index90
Reasoning benchmarks for Claude Sonnet 4.6 and MiMo-V2.5
BenchmarkClaude Sonnet 4.6MiMo-V2.5Leader
GPQA Diamond85.6%81.6%Claude Sonnet 4.6
LiveBench reasoning86.4%Not measuredOnly Claude Sonnet 4.6 measured
MMMU Pro (Vals AI)83.6%80.0%Claude Sonnet 4.6
GPQA Diamond (Artificial Analysis run)87.5%84.9%Claude Sonnet 4.6
Humanity's Last Exam (Artificial Analysis run)33.6%27.2%Claude Sonnet 4.6
GPQA Diamond (Epoch AI run)87.4%Not measuredOnly Claude Sonnet 4.6 measured
ARC-AGI86.5%Not measuredOnly Claude Sonnet 4.6 measured
ARC-AGI-260.4%Not measuredOnly Claude Sonnet 4.6 measured
Chess puzzles23.0%Not measuredOnly Claude Sonnet 4.6 measured
Mystery game puzzles16.0%Not measuredOnly Claude Sonnet 4.6 measured
LMArena Text: hard prompts14851450Claude Sonnet 4.6
LMArena Text: expert15001459Claude Sonnet 4.6
LMArena Text: hard prompts in English14931461Claude Sonnet 4.6
LMArena Vision: diagrams13061269Claude Sonnet 4.6
LMArena Vision: homework13111262Claude Sonnet 4.6
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 4.6 and MiMo-V2.5
BenchmarkClaude Sonnet 4.6MiMo-V2.5Leader
AIME92.3%Not measuredOnly Claude Sonnet 4.6 measured
OTIS Mock AIME85.8%Not measuredOnly Claude Sonnet 4.6 measured
ProofBench45.0%16.0%Claude Sonnet 4.6
LMArena Text: math14621436Claude Sonnet 4.6
LMArena Text: mathematical work14831451Claude Sonnet 4.6
Neither model has a result on the other 8 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index90
Knowledge benchmarks for Claude Sonnet 4.6 and MiMo-V2.5
BenchmarkClaude Sonnet 4.6MiMo-V2.5Leader
MMLU Pro87.3%82.9%Claude Sonnet 4.6
LegalBench (Vals AI)82.1%78.9%Claude Sonnet 4.6
CaseLaw (Vals AI)64.0%Not measuredOnly Claude Sonnet 4.6 measured
CorpFin (Vals AI)65.3%59.9%Claude Sonnet 4.6
TaxEval (Vals AI)77.1%71.8%Claude Sonnet 4.6
MortgageTax (Vals AI)67.7%59.3%Claude Sonnet 4.6
MedQA (Vals AI)92.1%Not measuredOnly Claude Sonnet 4.6 measured
MedCode (Vals AI)Not measured31.9%Only MiMo-V2.5 measured
SimpleQA Verified35.5%Not measuredOnly Claude Sonnet 4.6 measured
LMArena Text: science14741440Claude Sonnet 4.6
LMArena Text: medicine and healthcare14511432Claude Sonnet 4.6
LMArena Text: legal and government14701425Claude Sonnet 4.6
LMArena Text: business and finance14641432Claude Sonnet 4.6
Neither model has a result on the other 4 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index80
Web design benchmarks for Claude Sonnet 4.6 and MiMo-V2.5
BenchmarkClaude Sonnet 4.6MiMo-V2.5Leader
Design Arena: websites12851266Claude Sonnet 4.6
Design Arena: UI components12711257Claude Sonnet 4.6
Design Arena: game dev12591249Claude Sonnet 4.6
Design Arena: data viz12781249Claude Sonnet 4.6
Design Arena: 3D12341216Claude Sonnet 4.6
Design Arena: all code categories12761260Claude Sonnet 4.6
Design Arena: SVG11961178Claude Sonnet 4.6
Design Arena: ASCII art12351141Claude Sonnet 4.6
LiveBench design71.8%Not measuredOnly Claude Sonnet 4.6 measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index262
General benchmarks for Claude Sonnet 4.6 and MiMo-V2.5
BenchmarkClaude Sonnet 4.6MiMo-V2.5Leader
LiveBench data analysis76.1%Not measuredOnly Claude Sonnet 4.6 measured
Public Benefits Bench (Vals AI)62.5%Not measuredOnly Claude Sonnet 4.6 measured
SAGE (Vals AI)46.6%43.3%Claude Sonnet 4.6
MedScribe (Vals AI)Not measured72.2%Only MiMo-V2.5 measured
Vals Multimodal Index60.6%52.8%Claude Sonnet 4.6
IFBench56.6%67.1%MiMo-V2.5
Long context reasoning (AA-LCR)80.0%73.0%Claude Sonnet 4.6
DTBench89.9%Not measuredOnly Claude Sonnet 4.6 measured
LMCA46.5%Not measuredOnly Claude Sonnet 4.6 measured
ExploitBench23.6%Not measuredOnly Claude Sonnet 4.6 measured
LMArena Text14581428Claude Sonnet 4.6
LMArena Text: instruction following14761435Claude Sonnet 4.6
LMArena Text: creative writing14351393Claude Sonnet 4.6
LMArena Vision12831247Claude Sonnet 4.6
LMArena Text: English14721447Claude Sonnet 4.6
LMArena Text: non-English14401405Claude Sonnet 4.6
LMArena Text: Chinese14911469Claude Sonnet 4.6
LMArena Text: German14281421Claude Sonnet 4.6
LMArena Text: Japanese14201306Claude Sonnet 4.6
LMArena Text: Korean14101361Claude Sonnet 4.6
LMArena Text: French14651448Claude Sonnet 4.6
LMArena Text: Spanish14641414Claude Sonnet 4.6
LMArena Text: Russian14401396Claude Sonnet 4.6
LMArena Text: Polish14431413Claude Sonnet 4.6
LMArena Text: multi-turn14641445Claude Sonnet 4.6
LMArena Text: longer queries14791445Claude Sonnet 4.6
LMArena Text: writing and language14441409Claude Sonnet 4.6
LMArena Text: entertainment and media14311399Claude Sonnet 4.6
LMArena Vision: English12981259Claude Sonnet 4.6
LMArena Vision: Chinese13071326MiMo-V2.5
LMArena Vision: reading text12961256Claude Sonnet 4.6
LMArena Vision: humor12481226Claude Sonnet 4.6
LMArena Vision: recognizing things11951189Claude Sonnet 4.6
LMArena Vision: creative writing12721230Claude Sonnet 4.6
LMArena Document1482Not measuredOnly Claude Sonnet 4.6 measured
Neither model has a result on the other 11 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Claude Sonnet 4.6 and MiMo-V2.5
BenchmarkClaude Sonnet 4.6MiMo-V2.5Leader
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 4.6$0.011Fits in one request
MiMo-V2.5$0.0002Fits in one request

MiMo-V2.5 costs less

Repository review

50K input + 3K output tokens

Claude Sonnet 4.6$0.195Fits in one request
MiMo-V2.5$0.0067Fits in one request

MiMo-V2.5 costs less

Agent loop

200K input + 10K output tokens

Claude Sonnet 4.6$0.750Fits in one request
MiMo-V2.5$0.026Fits in one request

MiMo-V2.5 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 4.6 and MiMo-V2.5
SpecificationAnthropic Claude Sonnet 4.6Xiaomi MiMo-V2.5
MakerAnthropicXiaomi
WeightsNo public weights listedOpen weights
ReleasedFebruary 17, 2026April 22, 2026
Context window1M1.05M
Input $/Mtok$3.00$0.119
Output $/Mtok$15.00$0.238
Coding index57.834.0
Independent measurements behind it21
Cost per solved task$1.68$0.01
SourceOpenRouter listingOpenRouter listing

Questions

Is Claude Sonnet 4.6 better than MiMo-V2.5 for coding?

Pick Claude Sonnet 4.6 for coding: it scores 57.8 on the Vibe Coding Index against 34.0 for MiMo-V2.5. Pick MiMo-V2.5 when output tokens cost 63.0x less, or when a solved task costs $0.01 against $1.68.

Which is cheaper, Claude Sonnet 4.6 or MiMo-V2.5?

Claude Sonnet 4.6 costs $3.00 per million input tokens and $15.00 per million output tokens; MiMo-V2.5 costs $0.119 and $0.238. Per solved SWE-bench Verified task, Claude Sonnet 4.6 costs $1.68 and MiMo-V2.5 $0.01.

Which has the bigger context window, Claude Sonnet 4.6 or MiMo-V2.5?

MiMo-V2.5, with 1.05M tokens against 1M.

How many benchmarks is the Claude Sonnet 4.6 vs MiMo-V2.5 comparison based on?

77 benchmarks have a result for both models as of October 21, 2026. Claude Sonnet 4.6's coding index rests on 2 independent benchmarks and MiMo-V2.5's on 1. Where only one model has a result, the page says so instead of naming a winner.

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