Model comparison

Claude Fable 5 vs MiMo-V2.6-Flash

Claude Fable 5 is the stronger model overall, scoring 66.8 to 48.5 on the Noometry Index. MiMo-V2.6-Flash costs 114× less per token, which makes it the better buy when Claude Fable 5's lead doesn't matter for your workload.

Last verified . 19 shared benchmarks.

Claude Fable 5 Anthropic

66.8

Rank #5 Confirmed

MiMo-V2.6-Flash Xiaomi

48.5

Rank #55 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Claude Fable 5 scores higher in 9 categories and MiMo-V2.6-Flash in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Fable 5 leads 76.8 to 36.5.
  • The biggest single-benchmark swing is ProofBench: 95% for Claude Fable 5 and 63% for MiMo-V2.6-Flash.
  • MiMo-V2.6-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $10 / $50 for Claude Fable 5.
  • MiMo-V2.6-Flash accepts more context: 1.05M tokens versus 1M.
  • MiMo-V2.6-Flash has downloadable open weights; the other is API-only.

Side by side

Claude Fable 5 and MiMo-V2.6-Flash specifications
Claude Fable 5MiMo-V2.6-Flash
ProviderAnthropicXiaomi
Noometry Index66.848.5
Released2026-06-072026-09-21
WeightsProprietaryOpen
Context window1M1.05M
Max output128K131K
Input $ / M tokens$10$0.14
Output $ / M tokens$50$0.28
Results tracked6219

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Category by category

Coding Claude Fable 5 leads

Claude Fable 5: 70.6 (#4), MiMo-V2.6-Flash: 53.4 (#30)

Coding benchmarks
BenchmarkClaude Fable 5MiMo-V2.6-Flash
LMArena WebDev16251637
SciCode61%51.3%
LMArena Coding15191504
DeepSWE69.9%—
FrontierCode53.5%—
FrontierSWE47%—
GSO78.4%—
WeirdML91.9%—
MirrorCode63.9%—
ALE-Bench2,041—

Agentic & Tool Use Not comparable

Claude Fable 5: 54.0 (#2), MiMo-V2.6-Flash: —

Agentic & Tool Use benchmarks
BenchmarkClaude Fable 5MiMo-V2.6-Flash
APEX-Agents63.6%—
Remote Labor Index16.1%—
τ²-bench Banking39.7%—
PostTrainBench41.8%—
GBAEval74.5%—
GDP.pdf30%—
LMArena Search1230—
Vending-Bench 25,680—

Reasoning Claude Fable 5 leads

Claude Fable 5: 76.8 (#6), MiMo-V2.6-Flash: 36.5 (#66)

Reasoning benchmarks
BenchmarkClaude Fable 5MiMo-V2.6-Flash
CritPt28.6%12%
LMArena Hard Prompts15081482
ARC-AGI-289.2%—
SimpleBench81.9%—
Kagi LLM Benchmark91.4%—
NYT Connections (extended)92.7%—
ARC-AGI-198.5%—
Chess Puzzles41%—
EnigmaEval39.3%—
EBR-Bench39.5%—
Mystery Game Puzzles52%—
DTBench98.4%—
LMCA61.1%—
Surface Evolver Bench95%—
Bench to the Future 30.13—
Epoch Capabilities Index162.06—

Math Claude Fable 5 leads

Claude Fable 5: 88.5 (#5), MiMo-V2.6-Flash: 51.9 (#52)

Math benchmarks
BenchmarkClaude Fable 5MiMo-V2.6-Flash
ProofBench95%63%
LMArena Math15191468
FrontierMath (Tiers 1-3)87%—
FrontierMath Tier 490.2%—
OTIS Mock AIME 2024-2025100%—
FrontierMath Erdős0%—

Knowledge Claude Fable 5 leads

Claude Fable 5: 62.2 (#25), MiMo-V2.6-Flash: 42.2 (#99)

Knowledge benchmarks
BenchmarkClaude Fable 5MiMo-V2.6-Flash
LMArena Expert15341501
GPQA Diamond85.9%—
SimpleQA Verified70.7%—

Multimodal Claude Fable 5 leads

Claude Fable 5: 45.3 (#17), MiMo-V2.6-Flash: 40.5 (#47)

Multimodal benchmarks
BenchmarkClaude Fable 5MiMo-V2.6-Flash
LMArena Vision13241259
Blueprint-Bench 238.6%—
Furniture Assembly35.8%—
LMArena Document1496—

Multilingual Claude Fable 5 leads

Claude Fable 5: 57.3 (#9), MiMo-V2.6-Flash: 54.0 (#51)

Multilingual benchmarks
BenchmarkClaude Fable 5MiMo-V2.6-Flash
LMArena Non-English14811434
LMArena Chinese15431511
LMArena French15051475
LMArena Russian15041409
LMArena Spanish14981456
LMArena German1486—
LMArena Japanese1506—
LMArena Korean1488—

Instruction Following Claude Fable 5 leads

Claude Fable 5: 78.6 (#8), MiMo-V2.6-Flash: 76.8 (#35)

Instruction Following benchmarks
BenchmarkClaude Fable 5MiMo-V2.6-Flash
LMArena Instruction Following15021463

Long Context Claude Fable 5 leads

Claude Fable 5: 46.3 (#23), MiMo-V2.6-Flash: 44.8 (#57)

Long Context benchmarks
BenchmarkClaude Fable 5MiMo-V2.6-Flash
LMArena Longer Query15091463

Writing & Preference Claude Fable 5 leads

Claude Fable 5: 75.9 (#5), MiMo-V2.6-Flash: 63.1 (#67)

Writing & Preference benchmarks
BenchmarkClaude Fable 5MiMo-V2.6-Flash
LMArena Text14911455
LMArena Creative Writing14941400
LMArena Multi-Turn15041451
EQ-Bench Creative Writing1943—
EQ-Bench 41340—

Frequently asked questions

Is Claude Fable 5 better than MiMo-V2.6-Flash?

Claude Fable 5 is the stronger model overall, scoring 66.8 to 48.5 on the Noometry Index. MiMo-V2.6-Flash costs 114× less per token, which makes it the better buy when Claude Fable 5's lead doesn't matter for your workload.

Which is cheaper, Claude Fable 5 or MiMo-V2.6-Flash?

MiMo-V2.6-Flash is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Claude Fable 5 lists at $10 and $50.

Is Claude Fable 5 or MiMo-V2.6-Flash better for coding?

Claude Fable 5 scores higher on coding benchmarks: 70.6 versus 53.4 in the Noometry coding category.

Which has the bigger context window?

MiMo-V2.6-Flash does, with 1.05M tokens against 1M.

How many benchmarks do Claude Fable 5 and MiMo-V2.6-Flash share?

19 benchmarks have published results for both models. Claude Fable 5 has 62 scored results on Noometry and MiMo-V2.6-Flash has 19.

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