Noometry

Model comparison

Claude Opus 4.1 vs Llama 13b

Claude Opus 4.1 is the stronger model overall, scoring 41.0 to 24.4 on the Noometry Index.

Last verified . 9 shared benchmarks.

Claude Opus 4.1 Anthropic

41.0

Rank #142 Confirmed

Llama 13b Meta

24.4

Rank #348 Confirmed

Summary

  • They share 9 benchmarks with published results for both. Claude Opus 4.1 scores higher in 5 categories and Llama 13b in 1 category; 6 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Claude Opus 4.1 leads 62.4 to 13.8.
  • Llama 13b has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.1Llama 13b
ProviderAnthropicMeta
Noometry Index41.024.4
Released2025-08-052023-02-24
WeightsProprietaryOpen
Context window200K—
Max output32K—
Input $ / M tokens$15—
Output $ / M tokens$75—
Results tracked4821

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Claude Opus 4.1 leads

Claude Opus 4.1: 44.4 (#73), Llama 13b: 21.4 (#337)

BenchmarkClaude Opus 4.1Llama 13b
LMArena Coding1479683
SWE-bench Verified73.3%—
LMArena WebDev1390—
WeirdML45.9%—
ALE-Bench674.77—
AlgoTune1.34—

Agentic & Tool Use Not comparable

Claude Opus 4.1: 35.0 (#41), Llama 13b: —

BenchmarkClaude Opus 4.1Llama 13b
Terminal-Bench38%—
GDPval43.6%—
Cybench42%—
DeepResearch Bench48.3%—
LMArena Search1148—
METR Time Horizons66.8%—

Reasoning Claude Opus 4.1 leads

Claude Opus 4.1: 32.2 (#76), Llama 13b: 14.0 (#329)

BenchmarkClaude Opus 4.1Llama 13b
LMArena Hard Prompts1443728
Epoch Capabilities Index144.12100.58
SimpleBench60%—
Chess Puzzles7%—
EnigmaEval7.2%—
EBR-Bench7.9%—
Mystery Game Puzzles21%—
DTBench80%—
LMCA37.1%—
BIG-Bench Hard—37.9%
ForecastBench62—
HellaSwag—79.2%
LAMBADA—75.2%
PIQA—80.1%
WinoGrande—73%

Math Llama 13b leads

Claude Opus 4.1: 22.3 (#277), Llama 13b: 26.7 (#256)

BenchmarkClaude Opus 4.1Llama 13b
LMArena Math1431838
FrontierMath (Tiers 1-3)12.6%—
FrontierMath Tier 42.4%—
OTIS Mock AIME 2024-202568.9%—
FrontierMath (Feb 2025 set)7.2%—
FrontierMath Tier 4 (v1)4.2%—
GSM8K—20.6%

Knowledge Not comparable

Claude Opus 4.1: 42.0 (#101), Llama 13b: —

BenchmarkClaude Opus 4.1Llama 13b
GPQA Diamond77.3%—
Humanity's Last Exam11.5%—
Confabulations17.1%—
Vectara Hallucination Rate11.8%—
LMArena Expert1439—
ARC (AI2) Challenge—52.7%
BoolQ—78.7%
MMLU—47.7%
OpenBookQA—56.4%
TriviaQA—77.9%

Multimodal Not comparable

Claude Opus 4.1: 26.8 (#119), Llama 13b: —

BenchmarkClaude Opus 4.1Llama 13b
VPCT35%—
ScienceQA—43.3%

Multilingual Claude Opus 4.1 leads

Claude Opus 4.1: 52.0 (#95), Llama 13b: 16.6 (#297)

BenchmarkClaude Opus 4.1Llama 13b
LMArena Non-English1405819
LMArena Chinese1427—
LMArena French1431—
LMArena German1413—
LMArena Japanese1378—
LMArena Korean1380—
LMArena Russian1422—
LMArena Spanish1448—

Instruction Following Claude Opus 4.1 leads

Claude Opus 4.1: 75.6 (#58), Llama 13b: 36.7 (#305)

BenchmarkClaude Opus 4.1Llama 13b
LMArena Instruction Following1435781

Long Context Not comparable

Claude Opus 4.1: 44.5 (#63), Llama 13b: —

BenchmarkClaude Opus 4.1Llama 13b
LMArena Longer Query1455—

Writing & Preference Claude Opus 4.1 leads

Claude Opus 4.1: 62.4 (#74), Llama 13b: 13.8 (#312)

BenchmarkClaude Opus 4.1Llama 13b
LMArena Text1419834
LMArena Creative Writing1412794
LMArena Multi-Turn1444753
Short-Story Creative Writing84.7%—

Frequently asked questions

Is Claude Opus 4.1 better than Llama 13b?

Claude Opus 4.1 is the stronger model overall, scoring 41.0 to 24.4 on the Noometry Index.

Is Claude Opus 4.1 or Llama 13b better for coding?

Claude Opus 4.1 scores higher on coding benchmarks: 44.4 versus 21.4 in the Noometry coding category.

How many benchmarks do Claude Opus 4.1 and Llama 13b share?

9 benchmarks have published results for both models. Claude Opus 4.1 has 48 scored results on Noometry and Llama 13b has 21.

Related comparisons

Go deeper