Noometry

Model comparison

Claude Fable 5.1 vs Wizardlm 13b

Claude Fable 5.1 is the stronger model overall, scoring 69.0 to 31.4 on the Noometry Index.

Last verified . 10 shared benchmarks.

Claude Fable 5.1 Anthropic

69.0

Rank #2 Confirmed

Wizardlm 13b Microsoft

31.4

Rank #274 Confirmed

Summary

  • They share 10 benchmarks with published results for both. Claude Fable 5.1 scores higher in 7 categories and Wizardlm 13b in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Fable 5.1 leads 89.6 to 30.2.
  • Wizardlm 13b has downloadable open weights; the other is API-only.

Side by side

Claude Fable 5.1Wizardlm 13b
ProviderAnthropicMicrosoft
Noometry Index69.031.4
Released2026-09-01—
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$10—
Output $ / M tokens$50—
Results tracked5210

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Category by category

Coding Claude Fable 5.1 leads

Claude Fable 5.1: 74.7 (#1), Wizardlm 13b: 30.1 (#298)

BenchmarkClaude Fable 5.1Wizardlm 13b
LMArena Coding15281035
FrontierCode50.9%—
CursorBench51.8%—
LMArena WebDev1744—
FrontierSWE56.3%—
SciCode63.1%—
GSO88.2%—
WeirdML92.9%—
MirrorCode73.3%—
ALE-Bench2,143—

Agentic & Tool Use Not comparable

Claude Fable 5.1: 50.7 (#5), Wizardlm 13b: —

BenchmarkClaude Fable 5.1Wizardlm 13b
APEX-Agents68.6%—
Remote Labor Index17.9%—
GDP.pdf29.6%—
Vending-Bench 25,422—

Reasoning Claude Fable 5.1 leads

Claude Fable 5.1: 76.7 (#7), Wizardlm 13b: 19.4 (#259)

BenchmarkClaude Fable 5.1Wizardlm 13b
LMArena Hard Prompts15261018
ARC-AGI-290%—
NYT Connections (extended)90%—
ARC-AGI-197.5%—
CritPt31.1%—
Chess Puzzles47%—
EBR-Bench57.1%—
Mystery Game Puzzles58%—
DTBench97.6%—
LMCA65.5%—
Epoch Capabilities Index164.7—

Math Claude Fable 5.1 leads

Claude Fable 5.1: 89.6 (#4), Wizardlm 13b: 30.2 (#238)

BenchmarkClaude Fable 5.1Wizardlm 13b
LMArena Math15251017
FrontierMath (Tiers 1-3)90.2%—
FrontierMath Tier 487.8%—
OTIS Mock AIME 2024-2025100%—
ProofBench100%—
FrontierMath Erdős0%—

Knowledge Not comparable

Claude Fable 5.1: 69.6 (#6), Wizardlm 13b: —

BenchmarkClaude Fable 5.1Wizardlm 13b
Humanity's Last Exam46.5%—
SimpleQA Verified70.8%—
LMArena Expert1535—

Multimodal Not comparable

Claude Fable 5.1: 53.9 (#4), Wizardlm 13b: —

BenchmarkClaude Fable 5.1Wizardlm 13b
LMArena Vision1318—
Blueprint-Bench 241.9%—
Furniture Assembly70%—
LMArena Document1513—

Multilingual Claude Fable 5.1 leads

Claude Fable 5.1: 59.1 (#3), Wizardlm 13b: 27.1 (#277)

BenchmarkClaude Fable 5.1Wizardlm 13b
LMArena Non-English15071034
LMArena Chinese15861023
LMArena French1525—
LMArena German1500—
LMArena Japanese1543—
LMArena Korean1534—
LMArena Russian1521—
LMArena Spanish1516—

Instruction Following Claude Fable 5.1 leads

Claude Fable 5.1: 79.2 (#6), Wizardlm 13b: 53.5 (#285)

BenchmarkClaude Fable 5.1Wizardlm 13b
LMArena Instruction Following15171048

Long Context Claude Fable 5.1 leads

Claude Fable 5.1: 46.7 (#20), Wizardlm 13b: 32.0 (#273)

BenchmarkClaude Fable 5.1Wizardlm 13b
LMArena Longer Query15221054

Writing & Preference Claude Fable 5.1 leads

Claude Fable 5.1: 79.2 (#2), Wizardlm 13b: 30.5 (#287)

BenchmarkClaude Fable 5.1Wizardlm 13b
LMArena Text15101077
LMArena Creative Writing15071091
LMArena Multi-Turn14921047
EQ-Bench Creative Writing2162—

Frequently asked questions

Is Claude Fable 5.1 better than Wizardlm 13b?

Claude Fable 5.1 is the stronger model overall, scoring 69.0 to 31.4 on the Noometry Index.

Is Claude Fable 5.1 or Wizardlm 13b better for coding?

Claude Fable 5.1 scores higher on coding benchmarks: 74.7 versus 30.1 in the Noometry coding category.

How many benchmarks do Claude Fable 5.1 and Wizardlm 13b share?

10 benchmarks have published results for both models. Claude Fable 5.1 has 52 scored results on Noometry and Wizardlm 13b has 10.

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