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Claude Opus 4.6 vs MiMo-V2.5

Updated October 21, 2026. 69 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace Claude Opus 4.6 Replace MiMo-V2.5
Claude Opus 4.6Anthropic
Coding
66.9
Overall
31.9
Output $/M
$25.00
68
MiMo-V2.5Xiaomi
Coding
34.0
Overall
21.8
Output $/M
$0.238
1
vs boards won of 69 shared

Decision reading

Pick Claude Opus 4.6 for coding: it scores 66.9 on the Vibe Coding Index against 34.0 for MiMo-V2.5.

Pick MiMo-V2.5 when output tokens cost 105.0x less, or when a solved task costs $0.01 against $1.56.

Model AClaude Opus 4.6Anthropic66.9/1002 independent benchmarks$1.56 per solved taskModel BMiMo-V2.5Xiaomi34.0/1001 independent benchmark$0.01 per solved task
Shared results
69
Claude Opus 4.6 only
39
MiMo-V2.5 only
11
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 Opus 4.6 66.9 from 2 benchmarks, MiMo-V2.5 34.0 from 1 benchmark.
Widest category
Math, 20.0 points apart on average over 3 shared benchmarks.
Widest single gap
ProofBench: Claude Opus 4.6 50.0% against MiMo-V2.5 16.0%, 34.0 points apart on a 0 to 100 scale.
Output price
Claude Opus 4.6 $25.00 against MiMo-V2.5 $0.238 per million output tokens, 105.0x apart.
Context window
Claude Opus 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 Opus 4.6BarsMiMo-V2.5Ties
Coding90
Intelligence10
Agentic work10
Reasoning90
Math30
Knowledge100
Web design80
General271
All shared boards681
CodingLike-for-likeFour of these boards feed the Vibe Coding Index90
Coding benchmarks for Claude Opus 4.6 and MiMo-V2.5
BenchmarkClaude Opus 4.6MiMo-V2.5Leader
SWE-bench Verified75.6%Not measuredOnly Claude Opus 4.6 measured
SWE-bench Multilingual72.0%Not measuredOnly Claude Opus 4.6 measured
LMArena WebDev15471438Claude Opus 4.6
AA Coding IndexNot measured56.8Only MiMo-V2.5 measured
LiveCodeBench (Vals AI)84.7%81.5%Claude Opus 4.6
SWE-bench Verified (Vals AI)78.2%71.0%Claude Opus 4.6
Vibe Code Bench (Vals AI)57.6%42.2%Claude Opus 4.6
Code migration (Vals AI)Not measured14.2%Only MiMo-V2.5 measured
Terminal-Bench 2.1 (Vals AI)Not measured60.7%Only MiMo-V2.5 measured
SciCodeNot measured43.9%Only MiMo-V2.5 measured
Terminal-Bench Hard (Artificial Analysis run)48.5%41.7%Claude Opus 4.6
Terminal-Bench79.8%Not measuredOnly Claude Opus 4.6 measured
FrontierCode26.6%Not measuredOnly Claude Opus 4.6 measured
GSO-Bench41.2%Not measuredOnly Claude Opus 4.6 measured
WeirdML78.0%Not measuredOnly Claude Opus 4.6 measured
Cybench93.0%Not measuredOnly Claude Opus 4.6 measured
ALE-BenchNot measured514.0Only MiMo-V2.5 measured
LMArena Text: coding15341469Claude Opus 4.6
LMArena Text: software and IT15271463Claude Opus 4.6
LMArena WebDev: React15391425Claude Opus 4.6
LMArena WebDev: HTML15591429Claude Opus 4.6
LMArena WebDev: from an image1543Not measuredOnly Claude Opus 4.6 measured
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 4.6 and MiMo-V2.5
BenchmarkClaude Opus 4.6MiMo-V2.5Leader
AA Intelligence Index31.921.8Claude Opus 4.6
Epoch Capabilities Index155.7Not measuredOnly Claude Opus 4.6 measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
Agentic work benchmarks for Claude Opus 4.6 and MiMo-V2.5
BenchmarkClaude Opus 4.6MiMo-V2.5Leader
AA Agentic IndexNot measured15.8Only MiMo-V2.5 measured
Design Arena: agents building web apps1206Not measuredOnly Claude Opus 4.6 measured
Design Arena: agents building full-stack apps1220Not measuredOnly Claude Opus 4.6 measured
Design Arena: agents building mobile apps1207Not measuredOnly Claude Opus 4.6 measured
Design Arena: agents building Android apps1204Not measuredOnly Claude Opus 4.6 measured
Design Arena: agents building games1214Not measuredOnly Claude Opus 4.6 measured
Finance Agent (Vals AI)Not measured36.7%Only MiMo-V2.5 measured
Tax Agent Bench (Vals AI)Not measured7.8%Only MiMo-V2.5 measured
Legal Research Bench (Vals AI)Not measured9.1%Only MiMo-V2.5 measured
Excel Modeling Benchmark (Vals AI)Not measured55.1%Only MiMo-V2.5 measured
τ²-Bench Telecom92.1%90.6%Claude Opus 4.6
APEX-Agents46.3%Not measuredOnly Claude Opus 4.6 measured
METR time horizons78.9%Not measuredOnly Claude Opus 4.6 measured
Remote Labor Index4.2%Not measuredOnly Claude Opus 4.6 measured
DeepResearch Bench55.3%Not measuredOnly Claude Opus 4.6 measured
Vending-Bench 2$8,018Not measuredOnly Claude Opus 4.6 measured
Neither model has a result on the other 23 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index90
Reasoning benchmarks for Claude Opus 4.6 and MiMo-V2.5
BenchmarkClaude Opus 4.6MiMo-V2.5Leader
GPQA Diamond89.7%81.6%Claude Opus 4.6
MMMU Pro (Vals AI)83.9%80.0%Claude Opus 4.6
GPQA Diamond (Artificial Analysis run)89.6%84.9%Claude Opus 4.6
Humanity's Last Exam (Artificial Analysis run)39.9%27.2%Claude Opus 4.6
GPQA Diamond (Epoch AI run)90.5%Not measuredOnly Claude Opus 4.6 measured
ARC-AGI94.0%Not measuredOnly Claude Opus 4.6 measured
ARC-AGI-269.2%Not measuredOnly Claude Opus 4.6 measured
SimpleBench67.6%Not measuredOnly Claude Opus 4.6 measured
Chess puzzles21.0%Not measuredOnly Claude Opus 4.6 measured
Mystery game puzzles25.0%Not measuredOnly Claude Opus 4.6 measured
EBR-bench12.7%Not measuredOnly Claude Opus 4.6 measured
LMArena Text: hard prompts15251450Claude Opus 4.6
LMArena Text: expert15441459Claude Opus 4.6
LMArena Text: hard prompts in English15301461Claude Opus 4.6
LMArena Vision: diagrams13401269Claude Opus 4.6
LMArena Vision: homework13371262Claude Opus 4.6
Neither model has a result on the other 5 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index30
Math benchmarks for Claude Opus 4.6 and MiMo-V2.5
BenchmarkClaude Opus 4.6MiMo-V2.5Leader
AIME95.6%Not measuredOnly Claude Opus 4.6 measured
OTIS Mock AIME94.4%Not measuredOnly Claude Opus 4.6 measured
FrontierMath, tiers 1 to 366.0%Not measuredOnly Claude Opus 4.6 measured
FrontierMath, tier 426.8%Not measuredOnly Claude Opus 4.6 measured
ProofBench50.0%16.0%Claude Opus 4.6
LMArena Text: math15181436Claude Opus 4.6
LMArena Text: mathematical work15251451Claude Opus 4.6
Neither model has a result on the other 6 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index100
Knowledge benchmarks for Claude Opus 4.6 and MiMo-V2.5
BenchmarkClaude Opus 4.6MiMo-V2.5Leader
MMLU Pro89.1%82.9%Claude Opus 4.6
LegalBench (Vals AI)85.3%78.9%Claude Opus 4.6
CaseLaw (Vals AI)62.1%Not measuredOnly Claude Opus 4.6 measured
CorpFin (Vals AI)67.0%59.9%Claude Opus 4.6
TaxEval (Vals AI)76.0%71.8%Claude Opus 4.6
MortgageTax (Vals AI)68.5%59.3%Claude Opus 4.6
MedQA (Vals AI)95.4%Not measuredOnly Claude Opus 4.6 measured
MedCode (Vals AI)49.1%31.9%Claude Opus 4.6
SimpleQA Verified47.0%Not measuredOnly Claude Opus 4.6 measured
LMArena Text: science15191440Claude Opus 4.6
LMArena Text: medicine and healthcare15041432Claude Opus 4.6
LMArena Text: legal and government15121425Claude Opus 4.6
LMArena Text: business and finance14971432Claude Opus 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 Opus 4.6 and MiMo-V2.5
BenchmarkClaude Opus 4.6MiMo-V2.5Leader
Design Arena: websites12911266Claude Opus 4.6
Design Arena: UI components12841257Claude Opus 4.6
Design Arena: game dev12781249Claude Opus 4.6
Design Arena: data viz12791249Claude Opus 4.6
Design Arena: 3D12741216Claude Opus 4.6
Design Arena: all code categories12891260Claude Opus 4.6
Design Arena: SVG12271178Claude Opus 4.6
Design Arena: ASCII art12541141Claude Opus 4.6
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index271
General benchmarks for Claude Opus 4.6 and MiMo-V2.5
BenchmarkClaude Opus 4.6MiMo-V2.5Leader
SAGE (Vals AI)51.6%43.3%Claude Opus 4.6
MedScribe (Vals AI)86.7%72.2%Claude Opus 4.6
Vals Multimodal IndexNot measured52.8%Only MiMo-V2.5 measured
IFBench53.1%67.1%MiMo-V2.5
Long context reasoning (AA-LCR)78.0%73.0%Claude Opus 4.6
DTBench91.2%Not measuredOnly Claude Opus 4.6 measured
LMCA55.8%Not measuredOnly Claude Opus 4.6 measured
CL-bench20.7%Not measuredOnly Claude Opus 4.6 measured
Furniture assembly28.3%Not measuredOnly Claude Opus 4.6 measured
CL-bench Life17.0%Not measuredOnly Claude Opus 4.6 measured
LMArena Text15011428Claude Opus 4.6
LMArena Text: instruction following15211435Claude Opus 4.6
LMArena Text: creative writing15051393Claude Opus 4.6
LMArena Vision13161247Claude Opus 4.6
LMArena Text: English15111447Claude Opus 4.6
LMArena Text: non-English14881405Claude Opus 4.6
LMArena Text: Chinese15511469Claude Opus 4.6
LMArena Text: German15001421Claude Opus 4.6
LMArena Text: Japanese14881306Claude Opus 4.6
LMArena Text: Korean14641361Claude Opus 4.6
LMArena Text: French15121448Claude Opus 4.6
LMArena Text: Spanish15101414Claude Opus 4.6
LMArena Text: Russian14971396Claude Opus 4.6
LMArena Text: Polish14991413Claude Opus 4.6
LMArena Text: multi-turn15111445Claude Opus 4.6
LMArena Text: longer queries15181445Claude Opus 4.6
LMArena Text: writing and language15021409Claude Opus 4.6
LMArena Text: entertainment and media14921399Claude Opus 4.6
LMArena Vision: English13241259Claude Opus 4.6
LMArena Vision: Chinese13701326Claude Opus 4.6
LMArena Vision: reading text13261256Claude Opus 4.6
LMArena Vision: humor13141226Claude Opus 4.6
LMArena Vision: recognizing things12741189Claude Opus 4.6
LMArena Vision: creative writing13311230Claude Opus 4.6
LMArena Document1507Not measuredOnly Claude Opus 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 Opus 4.6 and MiMo-V2.5
BenchmarkClaude Opus 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 Opus 4.6$0.018Fits in one request
MiMo-V2.5$0.0002Fits in one request

MiMo-V2.5 costs less

Repository review

50K input + 3K output tokens

Claude Opus 4.6$0.325Fits in one request
MiMo-V2.5$0.0067Fits in one request

MiMo-V2.5 costs less

Agent loop

200K input + 10K output tokens

Claude Opus 4.6$1.25Fits 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 Opus 4.6 and MiMo-V2.5
SpecificationAnthropic Claude Opus 4.6Xiaomi MiMo-V2.5
MakerAnthropicXiaomi
WeightsNo public weights listedOpen weights
ReleasedFebruary 4, 2026April 22, 2026
Context window1M1.05M
Input $/Mtok$5.00$0.119
Output $/Mtok$25.00$0.238
Coding index66.934.0
Independent measurements behind it21
Cost per solved task$1.56$0.01
SourceOpenRouter listingOpenRouter listing

Questions

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

Pick Claude Opus 4.6 for coding: it scores 66.9 on the Vibe Coding Index against 34.0 for MiMo-V2.5. Pick MiMo-V2.5 when output tokens cost 105.0x less, or when a solved task costs $0.01 against $1.56.

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

Claude Opus 4.6 costs $5.00 per million input tokens and $25.00 per million output tokens; MiMo-V2.5 costs $0.119 and $0.238. Per solved SWE-bench Verified task, Claude Opus 4.6 costs $1.56 and MiMo-V2.5 $0.01.

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

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

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

69 benchmarks have a result for both models as of October 21, 2026. Claude Opus 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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