Noometry

Model comparison

Claude Fable 5.1 vs WizardLM-2 8x22B

Claude Fable 5.1 has enough public results to be ranked (#2); WizardLM-2 8x22B does not yet, so treat this comparison as directional.

Last verified . 0 shared benchmarks.

Claude Fable 5.1 Anthropic

69.0

Rank #2 Confirmed

WizardLM-2 8x22B Microsoft

31.4

Unranked Sparse

Summary

  • The widest gap is in math, where Claude Fable 5.1 leads 89.6 to 28.9.
  • WizardLM-2 8x22B is cheaper at $0.62 / $0.62 per million input/output tokens, against $10 / $50 for Claude Fable 5.1.
  • Claude Fable 5.1 accepts more context: 1M tokens versus 66K.
  • WizardLM-2 8x22B has downloadable open weights; the other is API-only.

Side by side

Claude Fable 5.1WizardLM-2 8x22B
ProviderAnthropicMicrosoft
Noometry Index69.031.4
Released2026-09-012024-04-15
WeightsProprietaryOpen
Context window1M66K
Max output128K8K
Input $ / M tokens$10$0.62
Output $ / M tokens$50$0.62
Results tracked522

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Category by category

Coding Not comparable

Claude Fable 5.1: 74.7 (#1), WizardLM-2 8x22B: —

BenchmarkClaude Fable 5.1WizardLM-2 8x22B
FrontierCode50.9%—
CursorBench51.8%—
LMArena WebDev1744—
FrontierSWE56.3%—
SciCode63.1%—
GSO88.2%—
WeirdML92.9%—
LMArena Coding1528—
MirrorCode73.3%—
ALE-Bench2,143—

Agentic & Tool Use Not comparable

Claude Fable 5.1: 50.7 (#5), WizardLM-2 8x22B: —

BenchmarkClaude Fable 5.1WizardLM-2 8x22B
APEX-Agents68.6%—
Remote Labor Index17.9%—
GDP.pdf29.6%—
Vending-Bench 25,422—

Reasoning Not comparable

Claude Fable 5.1: 76.7 (#7), WizardLM-2 8x22B: —

BenchmarkClaude Fable 5.1WizardLM-2 8x22B
ARC-AGI-290%—
NYT Connections (extended)90%—
ARC-AGI-197.5%—
CritPt31.1%—
Chess Puzzles47%—
EBR-Bench57.1%—
LMArena Hard Prompts1526—
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-2 8x22B: 28.9

BenchmarkClaude Fable 5.1WizardLM-2 8x22B
FrontierMath (Tiers 1-3)90.2%—
FrontierMath Tier 487.8%—
OTIS Mock AIME 2024-2025100%—
ProofBench100%—
LMArena Math1525—
MATH Level 5—25.7%
FrontierMath Erdős0%—

Knowledge Claude Fable 5.1 leads

Claude Fable 5.1: 69.6 (#6), WizardLM-2 8x22B: 23.3

BenchmarkClaude Fable 5.1WizardLM-2 8x22B
GPQA Diamond—43.4%
Humanity's Last Exam46.5%—
SimpleQA Verified70.8%—
LMArena Expert1535—

Multimodal Not comparable

Claude Fable 5.1: 53.9 (#4), WizardLM-2 8x22B: —

BenchmarkClaude Fable 5.1WizardLM-2 8x22B
LMArena Vision1318—
Blueprint-Bench 241.9%—
Furniture Assembly70%—
LMArena Document1513—

Multilingual Not comparable

Claude Fable 5.1: 59.1 (#3), WizardLM-2 8x22B: —

BenchmarkClaude Fable 5.1WizardLM-2 8x22B
LMArena Non-English1507—
LMArena Chinese1586—
LMArena French1525—
LMArena German1500—
LMArena Japanese1543—
LMArena Korean1534—
LMArena Russian1521—
LMArena Spanish1516—

Instruction Following Not comparable

Claude Fable 5.1: 79.2 (#6), WizardLM-2 8x22B: —

BenchmarkClaude Fable 5.1WizardLM-2 8x22B
LMArena Instruction Following1517—

Long Context Not comparable

Claude Fable 5.1: 46.7 (#20), WizardLM-2 8x22B: —

BenchmarkClaude Fable 5.1WizardLM-2 8x22B
LMArena Longer Query1522—

Writing & Preference Not comparable

Claude Fable 5.1: 79.2 (#2), WizardLM-2 8x22B: —

BenchmarkClaude Fable 5.1WizardLM-2 8x22B
LMArena Text1510—
LMArena Creative Writing1507—
EQ-Bench Creative Writing2162—
LMArena Multi-Turn1492—

Frequently asked questions

Is Claude Fable 5.1 better than WizardLM-2 8x22B?

Claude Fable 5.1 has enough public results to be ranked (#2); WizardLM-2 8x22B does not yet, so treat this comparison as directional.

Which is cheaper, Claude Fable 5.1 or WizardLM-2 8x22B?

WizardLM-2 8x22B is cheaper. It lists at $0.62 per million input tokens and $0.62 per million output tokens; Claude Fable 5.1 lists at $10 and $50.

Which has the bigger context window?

Claude Fable 5.1 does, with 1M tokens against 66K.

How many benchmarks do Claude Fable 5.1 and WizardLM-2 8x22B share?

0 benchmarks have published results for both models. Claude Fable 5.1 has 52 scored results on Noometry and WizardLM-2 8x22B has 2.

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