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Claude Fable 5 vs MiMo-V2.5

Claude Fable 5 leads MiMo-V2.5 on coding, 79.3 to 50.0 on the Vibe Coding Index, and MiMo-V2.5 costs 148.8x less per output token ($0.336 vs $50.00 per million). Updated October 22, 2026; 79 benchmarks have a result for both.

Replace Claude Fable 5 Replace MiMo-V2.5
Claude Fable 5Anthropic
Coding
79.3
Overall
79.0
Output $/M
$50.00
78
MiMo-V2.5Xiaomi
Coding
50.0
Overall
50.7
Output $/M
$0.336
1
vs boards won of 79 shared

Claude Fable 5 or MiMo-V2.5: which to pick

Pick Claude Fable 5 for coding: it scores 79.3 on the Vibe Coding Index against 50.0 for MiMo-V2.5.

Pick MiMo-V2.5 for output tokens 148.8x cheaper ($0.336 vs $50.00 per million) and a lower cost per solved task ($0.01 against $2.16).

Model AClaude Fable 5Anthropic79.3/1006 independent benchmarks$2.16 per solved taskModel BMiMo-V2.5Xiaomi50.0/1003 independent benchmarks$0.01 per solved task
Shared results
79
Claude Fable 5 only
48
MiMo-V2.5 only
1
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 Fable 5 79.3 from 6 benchmarks, MiMo-V2.5 50.0 from 3 benchmarks.
Widest category
Math, 34.4 points apart on average over 3 shared benchmarks.
Widest single gap
ProofBench: Claude Fable 5 95.0% against MiMo-V2.5 16.0%, 79.0 points apart on a 0 to 100 scale.
Output price
Claude Fable 5 $50.00 against MiMo-V2.5 $0.336 per million output tokens, 148.8x apart.
Context window
Claude Fable 5 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 Fable 5BarsMiMo-V2.5Ties
Coding140
Intelligence10
Agentic work60
Reasoning90
Math30
Knowledge100
Web design80
General271
All shared boards781
CodingLike-for-likeSix of these boards feed the Vibe Coding Index140
Coding benchmarks for Claude Fable 5 and MiMo-V2.5
BenchmarkClaude Fable 5MiMo-V2.5Leader
LiveBench coding98.3%Not measuredOnly Claude Fable 5 measured
LMArena WebDev16241438Claude Fable 5
AA Coding Index76.556.8Claude Fable 5
LiveCodeBench (Vals AI)89.8%81.5%Claude Fable 5
SWE-bench Verified (Vals AI)95.0%71.0%Claude Fable 5
Terminal-Bench 4 (Vals AI)41.4%Not measuredOnly Claude Fable 5 measured
Vibe Code Bench (Vals AI)90.3%42.2%Claude Fable 5
Code migration (Vals AI)55.1%14.2%Claude Fable 5
ProgramBench (Vals AI)2.0%Not measuredOnly Claude Fable 5 measured
Terminal-Bench 2.1 (Vals AI)80.5%60.7%Claude Fable 5
SciCode61.0%43.9%Claude Fable 5
Terminal-Bench Hard (Artificial Analysis run)62.9%41.7%Claude Fable 5
FrontierCode53.5%Not measuredOnly Claude Fable 5 measured
FrontierSWE47.0%Not measuredOnly Claude Fable 5 measured
GSO-Bench78.4%Not measuredOnly Claude Fable 5 measured
WeirdML91.9%Not measuredOnly Claude Fable 5 measured
MirrorCode63.9%Not measuredOnly Claude Fable 5 measured
ALE-Bench2041.3514.0Claude Fable 5
LMArena Text: coding15181469Claude Fable 5
LMArena Text: software and IT15131463Claude Fable 5
LMArena WebDev: React16311425Claude Fable 5
LMArena WebDev: HTML16511429Claude Fable 5
LMArena WebDev: from an image1623Not measuredOnly Claude Fable 5 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 Fable 5 and MiMo-V2.5
BenchmarkClaude Fable 5MiMo-V2.5Leader
AA Intelligence Index49.621.8Claude Fable 5
Epoch Capabilities Index163.4Not measuredOnly Claude Fable 5 measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index60
Agentic work benchmarks for Claude Fable 5 and MiMo-V2.5
BenchmarkClaude Fable 5MiMo-V2.5Leader
AA Agentic Index50.715.8Claude Fable 5
Design Arena: agents building web apps1261Not measuredOnly Claude Fable 5 measured
Design Arena: agents building full-stack apps1280Not measuredOnly Claude Fable 5 measured
Design Arena: agents building mobile apps1264Not measuredOnly Claude Fable 5 measured
Design Arena: agents building Android apps1284Not measuredOnly Claude Fable 5 measured
Design Arena: agents building Godot games1292Not measuredOnly Claude Fable 5 measured
Design Arena: agents building games1285Not measuredOnly Claude Fable 5 measured
Design Arena: HTML slides1227Not measuredOnly Claude Fable 5 measured
Design Arena: PowerPoint slides1270Not measuredOnly Claude Fable 5 measured
LiveBench research86.9%Not measuredOnly Claude Fable 5 measured
LiveBench browser92.0%Not measuredOnly Claude Fable 5 measured
LiveBench long agentic53.2%Not measuredOnly Claude Fable 5 measured
Finance Agent (Vals AI)56.3%36.7%Claude Fable 5
Tax Agent Bench (Vals AI)38.3%7.8%Claude Fable 5
Legal Research Bench (Vals AI)49.5%9.1%Claude Fable 5
Excel Modeling Benchmark (Vals AI)73.7%55.1%Claude Fable 5
Terminal-Bench-Science (Vals AI)15.7%Not measuredOnly Claude Fable 5 measured
τ²-Bench Telecom98.5%90.6%Claude Fable 5
APEX-Agents63.6%Not measuredOnly Claude Fable 5 measured
Remote Labor Index16.1%Not measuredOnly Claude Fable 5 measured
PostTrainBench41.8%Not measuredOnly Claude Fable 5 measured
Vending-Bench 2$5,680Not measuredOnly Claude Fable 5 measured
LMArena Search1229Not measuredOnly Claude Fable 5 measured
Neither model has a result on the other 18 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index90
Reasoning benchmarks for Claude Fable 5 and MiMo-V2.5
BenchmarkClaude Fable 5MiMo-V2.5Leader
GPQA Diamond93.2%81.6%Claude Fable 5
LiveBench reasoning89.7%Not measuredOnly Claude Fable 5 measured
MMMU Pro (Vals AI)89.3%80.0%Claude Fable 5
GPQA Diamond (Artificial Analysis run)92.6%84.9%Claude Fable 5
Humanity's Last Exam (Artificial Analysis run)55.5%27.2%Claude Fable 5
GPQA Diamond (Epoch AI run)85.9%Not measuredOnly Claude Fable 5 measured
ARC-AGI98.5%Not measuredOnly Claude Fable 5 measured
ARC-AGI-289.2%Not measuredOnly Claude Fable 5 measured
SimpleBench81.9%Not measuredOnly Claude Fable 5 measured
Chess puzzles47.0%Not measuredOnly Claude Fable 5 measured
Mystery game puzzles52.0%Not measuredOnly Claude Fable 5 measured
EBR-bench39.5%Not measuredOnly Claude Fable 5 measured
LMArena Text: hard prompts15071450Claude Fable 5
LMArena Text: expert15341459Claude Fable 5
LMArena Text: hard prompts in English15091461Claude Fable 5
LMArena Vision: diagrams13571269Claude Fable 5
LMArena Vision: homework13611262Claude Fable 5
Kagi LLM Benchmark91.4%Not measuredOnly Claude Fable 5 measured
Neither model has a result on the other 4 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index30
Math benchmarks for Claude Fable 5 and MiMo-V2.5
BenchmarkClaude Fable 5MiMo-V2.5Leader
OTIS Mock AIME100.0%Not measuredOnly Claude Fable 5 measured
FrontierMath, tiers 1 to 387.0%Not measuredOnly Claude Fable 5 measured
FrontierMath, tier 490.2%Not measuredOnly Claude Fable 5 measured
ProofBench95.0%16.0%Claude Fable 5
LMArena Text: math15161436Claude Fable 5
LMArena Text: mathematical work15151451Claude Fable 5
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index100
Knowledge benchmarks for Claude Fable 5 and MiMo-V2.5
BenchmarkClaude Fable 5MiMo-V2.5Leader
MMLU Pro91.5%82.9%Claude Fable 5
LegalBench (Vals AI)88.6%78.9%Claude Fable 5
CorpFin (Vals AI)71.8%59.9%Claude Fable 5
TaxEval (Vals AI)76.9%71.8%Claude Fable 5
MortgageTax (Vals AI)68.9%59.3%Claude Fable 5
MedCode (Vals AI)56.1%31.9%Claude Fable 5
SimpleQA Verified70.7%Not measuredOnly Claude Fable 5 measured
LMArena Text: science15061440Claude Fable 5
LMArena Text: medicine and healthcare14801432Claude Fable 5
LMArena Text: legal and government14981425Claude Fable 5
LMArena Text: business and finance14801432Claude Fable 5
Neither model has a result on the other 7 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index80
Web design benchmarks for Claude Fable 5 and MiMo-V2.5
BenchmarkClaude Fable 5MiMo-V2.5Leader
Design Arena: websites12951265Claude Fable 5
Design Arena: UI components13161255Claude Fable 5
Design Arena: game dev13351249Claude Fable 5
Design Arena: data viz13041250Claude Fable 5
Design Arena: 3D13181215Claude Fable 5
Design Arena: all code categories13101260Claude Fable 5
Design Arena: SVG13021179Claude Fable 5
Design Arena: ASCII art13291140Claude Fable 5
LiveBench design84.7%Not measuredOnly Claude Fable 5 measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index271
General benchmarks for Claude Fable 5 and MiMo-V2.5
BenchmarkClaude Fable 5MiMo-V2.5Leader
LiveBench data analysis80.5%Not measuredOnly Claude Fable 5 measured
Public Benefits Bench (Vals AI)70.4%Not measuredOnly Claude Fable 5 measured
SAGE (Vals AI)51.9%43.3%Claude Fable 5
MedScribe (Vals AI)88.5%72.2%Claude Fable 5
Vals Multimodal Index74.2%52.8%Claude Fable 5
IFBench63.5%67.1%MiMo-V2.5
Long context reasoning (AA-LCR)82.3%73.0%Claude Fable 5
DTBench98.4%Not measuredOnly Claude Fable 5 measured
LMCA61.2%Not measuredOnly Claude Fable 5 measured
Surface Evolver Bench95.0%Not measuredOnly Claude Fable 5 measured
Furniture assembly35.8%Not measuredOnly Claude Fable 5 measured
LMArena Text14911428Claude Fable 5
LMArena Text: instruction following15021435Claude Fable 5
LMArena Text: creative writing14941393Claude Fable 5
LMArena Vision13251247Claude Fable 5
LMArena Text: English14981447Claude Fable 5
LMArena Text: non-English14821405Claude Fable 5
LMArena Text: Chinese15431469Claude Fable 5
LMArena Text: German14861421Claude Fable 5
LMArena Text: Japanese15041306Claude Fable 5
LMArena Text: Korean14871361Claude Fable 5
LMArena Text: French15051448Claude Fable 5
LMArena Text: Spanish14981414Claude Fable 5
LMArena Text: Russian15031396Claude Fable 5
LMArena Text: Polish14941413Claude Fable 5
LMArena Text: multi-turn15041445Claude Fable 5
LMArena Text: longer queries15101445Claude Fable 5
LMArena Text: writing and language15011409Claude Fable 5
LMArena Text: entertainment and media14821399Claude Fable 5
LMArena Vision: English13231259Claude Fable 5
LMArena Vision: Chinese13731326Claude Fable 5
LMArena Vision: reading text13371256Claude Fable 5
LMArena Vision: humor13411226Claude Fable 5
LMArena Vision: recognizing thingsNot measured1189Only MiMo-V2.5 measured
LMArena Vision: creative writing13381230Claude Fable 5
LMArena Document1496Not measuredOnly Claude Fable 5 measured
Neither model has a result on the other 10 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Claude Fable 5 and MiMo-V2.5
BenchmarkClaude Fable 5MiMo-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 Fable 5$0.035Fits in one request
MiMo-V2.5$0.0003Fits in one request

MiMo-V2.5 costs less

Repository review

50K input + 3K output tokens

Claude Fable 5$0.650Fits in one request
MiMo-V2.5$0.0094Fits in one request

MiMo-V2.5 costs less

Agent loop

200K input + 10K output tokens

Claude Fable 5$2.50Fits in one request
MiMo-V2.5$0.037Fits 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 Fable 5 and MiMo-V2.5
SpecificationAnthropic Claude Fable 5Xiaomi MiMo-V2.5
MakerAnthropicXiaomi
WeightsNo public weights listedOpen weights
ReleasedJune 9, 2026April 22, 2026
Context window1M1.05M
Input $/Mtok$10.00$0.168
Output $/Mtok$50.00$0.336
Coding index79.350.0
Independent measurements behind it63
Cost per solved task$2.16$0.01
SourceOpenRouter listingOpenRouter listing

Questions

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

Pick Claude Fable 5 for coding: it scores 79.3 on the Vibe Coding Index against 50.0 for MiMo-V2.5. Pick MiMo-V2.5 for output tokens 148.8x cheaper ($0.336 vs $50.00 per million) and a lower cost per solved task ($0.01 against $2.16).

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

Claude Fable 5 costs $10.00 per million input tokens and $50.00 per million output tokens; MiMo-V2.5 costs $0.168 and $0.336. Per solved SWE-bench Verified task, Claude Fable 5 costs $2.16 and MiMo-V2.5 $0.01.

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

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

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

79 benchmarks have a result for both models as of October 22, 2026. Claude Fable 5's coding index rests on 6 independent benchmarks and MiMo-V2.5's on 3. Where only one model has a result, the page says so instead of naming a winner.

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<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Source: <a href="https://llmbenchmark.ai/compare/claude-fable-5-vs-xiaomi-mimo-v2-5">LLMBenchmark.ai, Claude Fable 5 vs MiMo-V2.5</a></p>