Noometry

Model comparison

Claude 3 Opus vs Qwen3 8B

Qwen3 8B is the stronger model overall, scoring 33.7 to 29.5 on the Noometry Index.

Last verified . 6 shared benchmarks.

Claude 3 Opus Anthropic

29.5

Rank #310 Confirmed

Qwen3 8B Alibaba (Qwen)

33.7

Rank #238 Confirmed

Summary

  • They share 6 benchmarks with published results for both. Claude 3 Opus scores higher in 1 category and Qwen3 8B in 5 categories; 5 gaps are clear of the uncertainty.
  • The widest gap is in math, where Qwen3 8B leads 34.9 to 14.8.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.7% for Claude 3 Opus and 56.1% for Qwen3 8B.
  • Qwen3 8B has downloadable open weights; the other is API-only.

Side by side

Claude 3 OpusQwen3 8B
ProviderAnthropicAlibaba (Qwen)
Noometry Index29.533.7
Released2024-02-292025-04
WeightsProprietaryOpen
Context window—131K
Max output—8K
Input $ / M tokens—$0.18
Output $ / M tokens—$0.70
Results tracked4611

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Category by category

Coding Qwen3 8B leads

Claude 3 Opus: 32.9 (#267), Qwen3 8B: 34.0 (#248)

BenchmarkClaude 3 OpusQwen3 8B
SciCode—22.6%
WeirdML19.2%—
BigCodeBench Instruct45.5%—
LiveBench Coding38.6%—
LMArena Coding1264—
BigCodeBench Complete57.4%—
HumanEval+77.4%—
MBPP+73.3%—

Agentic & Tool Use Qwen3 8B leads

Claude 3 Opus: 24.6 (#116), Qwen3 8B: 30.2 (#78)

BenchmarkClaude 3 OpusQwen3 8B
Berkeley Function Calling Leaderboard—42.6%
Cybench10%—
METR Time Horizons29.5%—

Reasoning Qwen3 8B leads

Claude 3 Opus: 14.6 (#324), Qwen3 8B: 16.6 (#303)

BenchmarkClaude 3 OpusQwen3 8B
Chess Puzzles5%5%
DTBench61.6%59.7%
LMCA17%8.8%
Epoch Capabilities Index126.91136.17
SimpleBench23.5%—
CritPt—0%
EnigmaEval0.8%—
LiveBench Reasoning40.6%—
LMArena Hard Prompts1245—
LiveBench Data Analysis57.9%—
ForecastBench58.4—
LiveBench49.2%—
WinoGrande88.5%—

Math Qwen3 8B leads

Claude 3 Opus: 14.8 (#299), Qwen3 8B: 34.9 (#191)

BenchmarkClaude 3 OpusQwen3 8B
OTIS Mock AIME 2024-20254.7%56.1%
LiveBench Math43.6%—
LMArena Math1273—
MATH Level 537.5%—

Knowledge Qwen3 8B leads

Claude 3 Opus: 24.5 (#267), Qwen3 8B: 36.1 (#173)

BenchmarkClaude 3 OpusQwen3 8B
GPQA Diamond47.2%56.8%
SimpleQA Verified12.6%—
Confabulations22.7%—
Vectara Hallucination Rate—4.8%
LMArena Expert1223—
MMLU84.6%—

Multimodal Not comparable

Claude 3 Opus: 27.1 (#116), Qwen3 8B: —

BenchmarkClaude 3 OpusQwen3 8B
LMArena Vision1023—

Multilingual Not comparable

Claude 3 Opus: 41.4 (#207), Qwen3 8B: —

BenchmarkClaude 3 OpusQwen3 8B
LMArena Non-English1258—
LMArena Chinese1248—
LMArena French1275—
LMArena German1258—
LMArena Japanese1204—
LMArena Korean1187—
LMArena Russian1280—
LMArena Spanish1246—

Instruction Following Not comparable

Claude 3 Opus: 64.1 (#228), Qwen3 8B: —

BenchmarkClaude 3 OpusQwen3 8B
LiveBench Instruction Following63.9%—
LMArena Instruction Following1248—

Long Context Too close to call

Claude 3 Opus: 38.2 (#202), Qwen3 8B: 37.9 (#210)

BenchmarkClaude 3 OpusQwen3 8B
Fiction.LiveBench—62.1%
LMArena Longer Query1259—

Writing & Preference Not comparable

Claude 3 Opus: 47.2 (#213), Qwen3 8B: —

BenchmarkClaude 3 OpusQwen3 8B
LMArena Text1262—
LMArena Creative Writing1235—
LMArena Multi-Turn1275—
LiveBench Language50.4%—

Frequently asked questions

Is Claude 3 Opus better than Qwen3 8B?

Qwen3 8B is the stronger model overall, scoring 33.7 to 29.5 on the Noometry Index.

Is Claude 3 Opus or Qwen3 8B better for coding?

Qwen3 8B scores higher on coding benchmarks: 34.0 versus 32.9 in the Noometry coding category.

How many benchmarks do Claude 3 Opus and Qwen3 8B share?

6 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Qwen3 8B has 11.

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