Model comparison

Claude Opus 4.8 vs Wizardlm 13b

Claude Opus 4.8 is the stronger model overall, scoring 60.7 to 31.4 on the Noometry Index.

Last verified . 10 shared benchmarks.

Claude Opus 4.8 Anthropic

60.7

Rank #13 Confirmed

Wizardlm 13b Microsoft

31.4

Rank #274 Confirmed

Summary

  • They share 10 benchmarks with published results for both. Claude Opus 4.8 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 Opus 4.8 leads 78.4 to 30.2.
  • Wizardlm 13b has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.8 and Wizardlm 13b specifications
Claude Opus 4.8Wizardlm 13b
ProviderAnthropicMicrosoft
Noometry Index60.731.4
Released2026-05-28—
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$5—
Output $ / M tokens$25—
Results tracked6510

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Category by category

Coding Claude Opus 4.8 leads

Claude Opus 4.8: 59.9 (#12), Wizardlm 13b: 30.1 (#298)

Coding benchmarks
BenchmarkClaude Opus 4.8Wizardlm 13b
LMArena Coding14901035
DeepSWE59%—
FrontierCode46.5%—
LMArena WebDev1556—
SciCode53.5%—
GSO47.1%—
WeirdML82.9%—
ALE-Bench1,564—

Agentic & Tool Use Not comparable

Claude Opus 4.8: 47.6 (#11), Wizardlm 13b: —

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 4.8Wizardlm 13b
APEX-Agents48.9%—
OSWorld 2.020.6%—
Remote Labor Index8.3%—
τ²-bench Banking39.7%—
DeepResearch Bench50.2%—
PostTrainBench33.8%—
GBAEval70.9%—
GDP.pdf24%—
LMArena Search1204—
Vending-Bench 25,787—

Reasoning Claude Opus 4.8 leads

Claude Opus 4.8: 64.7 (#16), Wizardlm 13b: 19.4 (#259)

Reasoning benchmarks
BenchmarkClaude Opus 4.8Wizardlm 13b
LMArena Hard Prompts14821018
ARC-AGI-272.1%—
SimpleBench64.8%—
Kagi LLM Benchmark88.8%—
NYT Connections (extended)91.1%—
ARC-AGI-192.5%—
CritPt20.9%—
Chess Puzzles34%—
EnigmaEval23.5%—
EBR-Bench28.6%—
Mystery Game Puzzles36%—
DTBench94.9%—
LMCA57.5%—
Surface Evolver Bench87.5%—
Bench to the Future 30.14—
Epoch Capabilities Index158.21—
ForecastBench59.9—

Math Claude Opus 4.8 leads

Claude Opus 4.8: 78.4 (#13), Wizardlm 13b: 30.2 (#238)

Knowledge Not comparable

Claude Opus 4.8: 61.3 (#29), Wizardlm 13b: —

Knowledge benchmarks
BenchmarkClaude Opus 4.8Wizardlm 13b
GPQA Diamond91%—
SimpleQA Verified53%—
LMArena Expert1502—

Multimodal Not comparable

Claude Opus 4.8: 42.9 (#26), Wizardlm 13b: —

Multimodal benchmarks
BenchmarkClaude Opus 4.8Wizardlm 13b
LMArena Vision1294—
Blueprint-Bench 214.5%—
Furniture Assembly42.5%—
LMArena Document1475—

Multilingual Claude Opus 4.8 leads

Claude Opus 4.8: 55.2 (#33), Wizardlm 13b: 27.1 (#277)

Multilingual benchmarks
BenchmarkClaude Opus 4.8Wizardlm 13b
LMArena Non-English14501034
LMArena Chinese15071023
LMArena French1481—
LMArena German1472—
LMArena Japanese1440—
LMArena Korean1432—
LMArena Russian1474—
LMArena Spanish1466—

Instruction Following Claude Opus 4.8 leads

Claude Opus 4.8: 77.4 (#24), Wizardlm 13b: 53.5 (#285)

Instruction Following benchmarks
BenchmarkClaude Opus 4.8Wizardlm 13b
LMArena Instruction Following14761048

Long Context Claude Opus 4.8 leads

Claude Opus 4.8: 45.4 (#35), Wizardlm 13b: 32.0 (#273)

Long Context benchmarks
BenchmarkClaude Opus 4.8Wizardlm 13b
LMArena Longer Query14831054

Writing & Preference Claude Opus 4.8 leads

Claude Opus 4.8: 72.0 (#16), Wizardlm 13b: 30.5 (#287)

Writing & Preference benchmarks
BenchmarkClaude Opus 4.8Wizardlm 13b
LMArena Text14611077
LMArena Creative Writing14541091
LMArena Multi-Turn14761047
EQ-Bench Creative Writing1840—
EQ-Bench 41281—

Frequently asked questions

Is Claude Opus 4.8 better than Wizardlm 13b?

Claude Opus 4.8 is the stronger model overall, scoring 60.7 to 31.4 on the Noometry Index.

Is Claude Opus 4.8 or Wizardlm 13b better for coding?

Claude Opus 4.8 scores higher on coding benchmarks: 59.9 versus 30.1 in the Noometry coding category.

How many benchmarks do Claude Opus 4.8 and Wizardlm 13b share?

10 benchmarks have published results for both models. Claude Opus 4.8 has 65 scored results on Noometry and Wizardlm 13b has 10.

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