Claude Opus 4.5 vs Qwen3 30B A3B Thinking

Detailed comparison between Claude Opus 4.5 and Qwen3 30B A3B Thinking for RAG applications. See which LLM best meets your accuracy, performance, and cost needs. If you want to compare these models on your data, try Agentset.

Model Comparison

Claude Opus 4.5 takes the lead.

Both Claude Opus 4.5 and Qwen3 30B A3B Thinking are powerful language models designed for RAG applications. However, their performance characteristics differ in important ways.

Why Claude Opus 4.5:

  • Claude Opus 4.5 has 227 higher ELO rating
  • Claude Opus 4.5 is 4.1s faster on average
  • Claude Opus 4.5 has a 20.9% higher win rate

Overview

Key metrics

ELO Rating

Overall ranking quality

Claude Opus 4.5

1549

Qwen3 30B A3B Thinking

1322

Win Rate

Head-to-head performance

Claude Opus 4.5

48.5%

Qwen3 30B A3B Thinking

27.6%

Quality Score

Overall quality metric

Claude Opus 4.5

4.88

Qwen3 30B A3B Thinking

4.89

Average Latency

Response time

Claude Opus 4.5

8252ms

Qwen3 30B A3B Thinking

12312ms

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Visual Performance Analysis

Performance

ELO Rating Comparison

Win/Loss/Tie Breakdown

Quality Across Datasets (Overall Score)

Latency Distribution (ms)

Breakdown

How the models stack up

MetricClaude Opus 4.5Qwen3 30B A3B ThinkingDescription
Overall Performance
ELO Rating
1549
1322
Overall ranking quality based on pairwise comparisons
Win Rate
48.5%
27.6%
Percentage of comparisons won against other models
Quality Score
4.88
4.89
Average quality across all RAG metrics
Pricing & Context
Input Price per 1M
$5.00
$0.05
Cost per million input tokens
Output Price per 1M
$25.00
$0.34
Cost per million output tokens
Context Window
200K
33K
Maximum context window size
Release Date
2025-11-24
2025-08-28
Model release date
Performance Metrics
Avg Latency
8.3s
12.3s
Average response time across all datasets

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}

Dataset Performance

By benchmark

Comprehensive comparison of RAG quality metrics (correctness, faithfulness, grounding, relevance, completeness) and latency for each benchmark dataset.

MSMARCO

MetricClaude Opus 4.5Qwen3 30B A3B ThinkingDescription
Quality Metrics
Correctness
5.00
5.00
Factual accuracy of responses
Faithfulness
5.00
5.00
Adherence to source material
Grounding
5.00
5.00
Citations and context usage
Relevance
5.00
5.00
Query alignment and focus
Completeness
5.00
5.00
Coverage of all aspects
Overall
5.00
5.00
Average across all metrics
Latency Metrics
Mean
5992ms
12522ms
Average response time
Min2590ms1541msFastest response time
Max8072ms49799msSlowest response time

PG

MetricClaude Opus 4.5Qwen3 30B A3B ThinkingDescription
Quality Metrics
Correctness
5.00
4.78
Factual accuracy of responses
Faithfulness
5.00
4.78
Adherence to source material
Grounding
5.00
4.78
Citations and context usage
Relevance
5.00
4.89
Query alignment and focus
Completeness
4.89
4.61
Coverage of all aspects
Overall
4.98
4.77
Average across all metrics
Latency Metrics
Mean
11489ms
16030ms
Average response time
Min7945ms3483msFastest response time
Max15934ms44237msSlowest response time

SciFact

MetricClaude Opus 4.5Qwen3 30B A3B ThinkingDescription
Quality Metrics
Correctness
4.55
4.91
Factual accuracy of responses
Faithfulness
4.64
4.91
Adherence to source material
Grounding
4.64
4.91
Citations and context usage
Relevance
5.00
5.00
Query alignment and focus
Completeness
4.55
4.82
Coverage of all aspects
Overall
4.67
4.91
Average across all metrics
Latency Metrics
Mean
7276ms
8384ms
Average response time
Min4210ms2185msFastest response time
Max10496ms19414msSlowest response time

Explore More

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