Model comparison

Claude Opus 4.6 vs Llama 3-8B

Claude Opus 4.6 is the stronger model overall, scoring 58.2 to 25.5 on the Noometry Index.

Last verified . 23 shared benchmarks.

Claude Opus 4.6 Anthropic

58.2

Rank #20 Confirmed

Llama 3-8B Meta

25.5

Rank #344 Confirmed

Summary

  • They share 23 benchmarks with published results for both. Claude Opus 4.6 scores higher in 8 categories and Llama 3-8B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Opus 4.6 leads 63.0 to 8.8.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 94.4% for Claude Opus 4.6 and 1.9% for Llama 3-8B.
  • Llama 3-8B has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.6 and Llama 3-8B specifications
Claude Opus 4.6Llama 3-8B
ProviderAnthropicMeta
Noometry Index58.225.5
Released2026-02-042024-04-18
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$5—
Output $ / M tokens$25—
Results tracked6834

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Category by category

Coding Claude Opus 4.6 leads

Claude Opus 4.6: 57.2 (#20), Llama 3-8B: 31.0 (#289)

Coding benchmarks
BenchmarkClaude Opus 4.6Llama 3-8B
LMArena Coding15361152
SWE-bench Verified78.7%—
FrontierCode26.6%—
SWE-bench Verified (bash only)75.6%—
LMArena WebDev1547—
SWE-bench Multilingual72%—
GSO41.2%—
WeirdML78%—
BigCodeBench Instruct—31.9%
BigCodeBench Complete—36.9%
ALE-Bench996.5—
AlgoTune1.47—
HumanEval+—56.7%
MBPP+—54.8%

Agentic & Tool Use Not comparable

Claude Opus 4.6: 51.1 (#4), Llama 3-8B: —

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 4.6Llama 3-8B
Terminal-Bench79.8%—
APEX-Agents46.3%—
Remote Labor Index4.2%—
τ²-bench Banking27.3%—
Cybench93%—
DeepResearch Bench55.3%—
GBAEval44.1%—
LMArena Search1253—
METR Time Horizons78.9%—
Vending-Bench 28,018—

Reasoning Claude Opus 4.6 leads

Claude Opus 4.6: 57.8 (#23), Llama 3-8B: 14.3 (#326)

Reasoning benchmarks
BenchmarkClaude Opus 4.6Llama 3-8B
Chess Puzzles17%0%
LMArena Hard Prompts15271133
DTBench91.2%43.9%
Epoch Capabilities Index155.24116.45
ForecastBench6058.6
ARC-AGI-269.2%—
SimpleBench67.6%—
Kagi LLM Benchmark83.6%—
NYT Connections (extended)92.1%—
ARC-AGI-194%—
EnigmaEval7.6%—
Thematic Generalization80.6%—
EBR-Bench12.7%—
Mystery Game Puzzles25%—
LMCA55.8%—
Adversarial NLI—57.3%
WinoGrande—75.7%

Math Claude Opus 4.6 leads

Claude Opus 4.6: 63.0 (#31), Llama 3-8B: 8.8 (#323)

Knowledge Claude Opus 4.6 leads

Claude Opus 4.6: 61.9 (#26), Llama 3-8B: 7.8 (#308)

Knowledge benchmarks
BenchmarkClaude Opus 4.6Llama 3-8B
GPQA Diamond90.5%26.1%
LMArena Expert15461113
Humanity's Last Exam34.4%—
SimpleQA Verified47%—
Vectara Hallucination Rate12.2%—
ARC (AI2) Challenge—82.8%
MMLU—68.8%
OpenBookQA—82.6%
TriviaQA—67.7%

Multimodal Not comparable

Claude Opus 4.6: 37.3 (#74), Llama 3-8B: —

Multimodal benchmarks
BenchmarkClaude Opus 4.6Llama 3-8B
LMArena Vision1316—
Furniture Assembly28.3%—
LMArena Document1507—

Multilingual Claude Opus 4.6 leads

Claude Opus 4.6: 57.9 (#6), Llama 3-8B: 30.8 (#261)

Multilingual benchmarks
BenchmarkClaude Opus 4.6Llama 3-8B
LMArena Non-English14891098
LMArena Chinese15511076
LMArena French15131159
LMArena German15021104
LMArena Japanese1484967
LMArena Korean14641004
LMArena Russian14971109
LMArena Spanish15101173

Instruction Following Claude Opus 4.6 leads

Claude Opus 4.6: 79.5 (#4), Llama 3-8B: 58.4 (#260)

Instruction Following benchmarks
BenchmarkClaude Opus 4.6Llama 3-8B
LMArena Instruction Following15231127

Long Context Claude Opus 4.6 leads

Claude Opus 4.6: 48.1 (#13), Llama 3-8B: 34.2 (#251)

Long Context benchmarks
BenchmarkClaude Opus 4.6Llama 3-8B
LMArena Longer Query15201128
CL-bench20.7%—
CL-bench Life17%—

Writing & Preference Claude Opus 4.6 leads

Claude Opus 4.6: 73.5 (#10), Llama 3-8B: 37.5 (#256)

Writing & Preference benchmarks
BenchmarkClaude Opus 4.6Llama 3-8B
LMArena Text15031166
LMArena Creative Writing15051150
LMArena Multi-Turn15131152
EQ-Bench Creative Writing1809—
EQ-Bench 41223—

Frequently asked questions

Is Claude Opus 4.6 better than Llama 3-8B?

Claude Opus 4.6 is the stronger model overall, scoring 58.2 to 25.5 on the Noometry Index.

Is Claude Opus 4.6 or Llama 3-8B better for coding?

Claude Opus 4.6 scores higher on coding benchmarks: 57.2 versus 31.0 in the Noometry coding category.

How many benchmarks do Claude Opus 4.6 and Llama 3-8B share?

23 benchmarks have published results for both models. Claude Opus 4.6 has 68 scored results on Noometry and Llama 3-8B has 34.

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