Noometry

Model comparison

Claude Opus 5.5 vs WizardLM-2 8x22B

Claude Opus 5.5 has enough public results to be ranked (#3); WizardLM-2 8x22B does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

Claude Opus 5.5 Anthropic

68.5

Rank #3 Confirmed

WizardLM-2 8x22B Microsoft

30.7

Unranked Sparse

Summary

  • They share 1 benchmark with published results for both. Claude Opus 5.5 scores higher in 2 categories and WizardLM-2 8x22B in 0 categories; 2 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Opus 5.5 leads 92.4 to 26.8.
  • The biggest single-benchmark swing is GPQA Diamond: 90.6% for Claude Opus 5.5 and 43.4% for WizardLM-2 8x22B.
  • WizardLM-2 8x22B is cheaper at $0.62 / $0.62 per million input/output tokens, against $4 / $20 for Claude Opus 5.5.
  • Claude Opus 5.5 accepts more context: 1M tokens versus 66K.
  • WizardLM-2 8x22B has downloadable open weights; the other is API-only.

Side by side

Claude Opus 5.5WizardLM-2 8x22B
ProviderAnthropicMicrosoft
Noometry Index68.530.7
Released2026-09-222024-04-15
WeightsProprietaryOpen
Context window1M66K
Max output128K8K
Input $ / M tokens$4$0.62
Output $ / M tokens$20$0.62
Results tracked352

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Category by category

Coding Not comparable

Claude Opus 5.5: 71.4 (#1), WizardLM-2 8x22B: —

BenchmarkClaude Opus 5.5WizardLM-2 8x22B
FrontierCode54.4%—
CursorBench57.8%—
LMArena WebDev1820—
FrontierSWE62.3%—
SciCode66.9%—
LMArena Coding1545—
MirrorCode77.4%—

Agentic & Tool Use Not comparable

Claude Opus 5.5: 45.3 (#13), WizardLM-2 8x22B: —

BenchmarkClaude Opus 5.5WizardLM-2 8x22B
APEX-Agents73.5%—
GDP.pdf30.6%—

Reasoning Not comparable

Claude Opus 5.5: 79.5 (#2), WizardLM-2 8x22B: —

BenchmarkClaude Opus 5.5WizardLM-2 8x22B
ARC-AGI-292.5%—
NYT Connections (extended)88.5%—
ARC-AGI-197.5%—
CritPt31.7%—
EBR-Bench71.4%—
LMArena Hard Prompts1545—
Mystery Game Puzzles71%—
DTBench98.9%—
LMCA68.2%—

Math Claude Opus 5.5 leads

Claude Opus 5.5: 92.4 (#2), WizardLM-2 8x22B: 26.8

BenchmarkClaude Opus 5.5WizardLM-2 8x22B
FrontierMath (Tiers 1-3)91.2%—
FrontierMath Tier 495%—
OTIS Mock AIME 2024-2025100%—
ProofBench100%—
MATH Level 5—25.7%

Knowledge Claude Opus 5.5 leads

Claude Opus 5.5: 66.6 (#9), WizardLM-2 8x22B: 23.3

BenchmarkClaude Opus 5.5WizardLM-2 8x22B
GPQA Diamond90.6%43.4%
SimpleQA Verified72.2%—
LMArena Expert1564—

Multimodal Not comparable

Claude Opus 5.5: 56.5 (#2), WizardLM-2 8x22B: —

BenchmarkClaude Opus 5.5WizardLM-2 8x22B
Furniture Assembly83.3%—

Multilingual Not comparable

Claude Opus 5.5: 59.8 (#1), WizardLM-2 8x22B: —

BenchmarkClaude Opus 5.5WizardLM-2 8x22B
LMArena Non-English1513—
LMArena Chinese1572—
LMArena Russian1532—

Instruction Following Not comparable

Claude Opus 5.5: 80.1 (#2), WizardLM-2 8x22B: —

BenchmarkClaude Opus 5.5WizardLM-2 8x22B
LMArena Instruction Following1535—

Long Context Not comparable

Claude Opus 5.5: 47.3 (#18), WizardLM-2 8x22B: —

BenchmarkClaude Opus 5.5WizardLM-2 8x22B
LMArena Longer Query1540—

Writing & Preference Not comparable

Claude Opus 5.5: 78.7 (#3), WizardLM-2 8x22B: —

BenchmarkClaude Opus 5.5WizardLM-2 8x22B
LMArena Text1518—
LMArena Creative Writing1538—
EQ-Bench Creative Writing2050—
LMArena Multi-Turn1520—

Frequently asked questions

Is Claude Opus 5.5 better than WizardLM-2 8x22B?

Claude Opus 5.5 has enough public results to be ranked (#3); WizardLM-2 8x22B does not yet, so treat this comparison as directional.

Which is cheaper, Claude Opus 5.5 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 Opus 5.5 lists at $4 and $20.

Which has the bigger context window?

Claude Opus 5.5 does, with 1M tokens against 66K.

How many benchmarks do Claude Opus 5.5 and WizardLM-2 8x22B share?

1 benchmark has published results for both models. Claude Opus 5.5 has 35 scored results on Noometry and WizardLM-2 8x22B has 2.

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