Noometry

Model comparison

Claude Fable 5 vs Yi-34B

Claude Fable 5 is the stronger model overall, scoring 66.8 to 27.8 on the Noometry Index.

Last verified . 19 shared benchmarks.

Claude Fable 5 Anthropic

66.8

Rank #5 Confirmed

Yi-34B 01.AI

27.8

Rank #329 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Claude Fable 5 scores higher in 8 categories and Yi-34B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Fable 5 leads 88.5 to 21.6.
  • The biggest single-benchmark swing is GPQA Diamond: 85.9% for Claude Fable 5 and 14.7% for Yi-34B.
  • Yi-34B has downloadable open weights; the other is API-only.

Side by side

Claude Fable 5Yi-34B
ProviderAnthropic01.AI
Noometry Index66.827.8
Released2026-06-072023-11-02
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$10—
Output $ / M tokens$50—
Results tracked6223

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Category by category

Coding Claude Fable 5 leads

Claude Fable 5: 70.6 (#4), Yi-34B: 32.3 (#274)

BenchmarkClaude Fable 5Yi-34B
LMArena Coding15191112
DeepSWE69.9%—
FrontierCode53.5%—
LMArena WebDev1625—
FrontierSWE47%—
SciCode61%—
GSO78.4%—
WeirdML91.9%—
MirrorCode63.9%—
ALE-Bench2,041—

Agentic & Tool Use Not comparable

Claude Fable 5: 54.0 (#2), Yi-34B: —

BenchmarkClaude Fable 5Yi-34B
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), Yi-34B: 21.2 (#226)

BenchmarkClaude Fable 5Yi-34B
LMArena Hard Prompts15081104
Epoch Capabilities Index162.06117.39
ARC-AGI-289.2%—
SimpleBench81.9%—
Kagi LLM Benchmark91.4%—
NYT Connections (extended)92.7%—
ARC-AGI-198.5%—
CritPt28.6%—
Chess Puzzles41%—
EnigmaEval39.3%—
EBR-Bench39.5%—
Mystery Game Puzzles52%—
DTBench98.4%—
LMCA61.1%—
Surface Evolver Bench95%—
Bench to the Future 30.13—
BIG-Bench Hard—71.7%

Math Claude Fable 5 leads

Claude Fable 5: 88.5 (#5), Yi-34B: 21.6 (#282)

BenchmarkClaude Fable 5Yi-34B
LMArena Math15191114
FrontierMath (Tiers 1-3)87%—
FrontierMath Tier 490.2%—
OTIS Mock AIME 2024-2025100%—
ProofBench95%—
MATH Level 5—5.1%
FrontierMath Erdős0%—
GSM8K—76%

Knowledge Claude Fable 5 leads

Claude Fable 5: 62.2 (#25), Yi-34B: 7.5 (#309)

BenchmarkClaude Fable 5Yi-34B
GPQA Diamond85.9%14.7%
LMArena Expert15341061
SimpleQA Verified70.7%—
MMLU—76.3%

Multimodal Not comparable

Claude Fable 5: 45.3 (#17), Yi-34B: —

BenchmarkClaude Fable 5Yi-34B
LMArena Vision1324—
Blueprint-Bench 238.6%—
Furniture Assembly35.8%—
LMArena Document1496—

Multilingual Claude Fable 5 leads

Claude Fable 5: 57.3 (#9), Yi-34B: 29.7 (#264)

BenchmarkClaude Fable 5Yi-34B
LMArena Non-English14811079
LMArena Chinese15431176
LMArena French15051081
LMArena German14861042
LMArena Japanese1506993
LMArena Korean1488959
LMArena Russian15041050
LMArena Spanish14981070

Instruction Following Claude Fable 5 leads

Claude Fable 5: 78.6 (#8), Yi-34B: 56.2 (#274)

BenchmarkClaude Fable 5Yi-34B
LMArena Instruction Following15021091

Long Context Claude Fable 5 leads

Claude Fable 5: 46.3 (#23), Yi-34B: 33.2 (#264)

BenchmarkClaude Fable 5Yi-34B
LMArena Longer Query15091094

Writing & Preference Claude Fable 5 leads

Claude Fable 5: 75.9 (#5), Yi-34B: 34.1 (#273)

BenchmarkClaude Fable 5Yi-34B
LMArena Text14911129
LMArena Creative Writing14941108
LMArena Multi-Turn15041113
EQ-Bench Creative Writing1943—
EQ-Bench 41340—

Frequently asked questions

Is Claude Fable 5 better than Yi-34B?

Claude Fable 5 is the stronger model overall, scoring 66.8 to 27.8 on the Noometry Index.

Is Claude Fable 5 or Yi-34B better for coding?

Claude Fable 5 scores higher on coding benchmarks: 70.6 versus 32.3 in the Noometry coding category.

How many benchmarks do Claude Fable 5 and Yi-34B share?

19 benchmarks have published results for both models. Claude Fable 5 has 62 scored results on Noometry and Yi-34B has 23.

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