Qwen3 Embedding 4B vs Qwen3 Embedding 0.6B

Detailed comparison between Qwen3 Embedding 4B and Qwen3 Embedding 0.6B. See which embedding best meets your accuracy and performance needs.

Model Comparison

Qwen3 Embedding 4B takes the lead.

Both Qwen3 Embedding 4B and Qwen3 Embedding 0.6B are powerful embedding models designed to improve retrieval quality in RAG applications. However, their performance characteristics differ in important ways.

Why Qwen3 Embedding 4B:

  • Qwen3 Embedding 4B has 17 higher ELO rating
  • Qwen3 Embedding 4B delivers better accuracy (nDCG@10: 0.802 vs 0.751)
  • Qwen3 Embedding 0.6B is 9959ms faster on average

Overview

Key metrics

ELO Rating

Overall ranking quality

Qwen3 Embedding 4B

1496

Qwen3 Embedding 0.6B

1478

Win Rate

Head-to-head performance

Qwen3 Embedding 4B

41.1%

Qwen3 Embedding 0.6B

37.3%

Accuracy (nDCG@10)

Ranking quality metric

Qwen3 Embedding 4B

0.802

Qwen3 Embedding 0.6B

0.751

Average Latency

Response time

Qwen3 Embedding 4B

80021ms

Qwen3 Embedding 0.6B

70062ms

Visual Performance Analysis

Performance

ELO Rating Comparison

Win/Loss/Tie Breakdown

Accuracy Across Datasets (nDCG@10)

Latency Distribution (ms)

Breakdown

How the models stack up

MetricQwen3 Embedding 4BQwen3 Embedding 0.6BDescription
Overall Performance
ELO Rating
1496
1478
Overall ranking quality based on pairwise comparisons
Win Rate
41.1%
37.3%
Percentage of comparisons won against other models
Pricing & Availability
Price per 1M tokens
$0.020
$0.010
Cost per million tokens processed
Release Date
2025-06-06
2025-06-06
Model release date
Accuracy Metrics
Avg nDCG@10
0.802
0.751
Normalized discounted cumulative gain at position 10
Performance Metrics
Avg Latency
80021ms
70062ms
Average response time across all datasets

Dataset Performance

By field

Comprehensive comparison of accuracy metrics (nDCG, Recall) and latency percentiles for each benchmark dataset.

PG

MetricQwen3 Embedding 4BQwen3 Embedding 0.6BDescription
Accuracy Metrics
Latency Metrics
Mean
107349ms
77697ms
Average response time
P50
105202ms
76143ms
50th percentile (median)
P90
123451ms
89352ms
90th percentile

business reports

MetricQwen3 Embedding 4BQwen3 Embedding 0.6BDescription
Accuracy Metrics
Latency Metrics
Mean
26100ms
15599ms
Average response time
P50
25578ms
15287ms
50th percentile (median)
P90
30015ms
17939ms
90th percentile

DBPedia

MetricQwen3 Embedding 4BQwen3 Embedding 0.6BDescription
Accuracy Metrics
nDCG@5
0.603
0.549
Ranking quality at top 5 results
nDCG@10
0.595
0.556
Ranking quality at top 10 results
Recall@5
0.234
0.216
% of relevant docs in top 5
Recall@10
0.375
0.350
% of relevant docs in top 10
Latency Metrics
Mean
106747ms
67654ms
Average response time
P50
104612ms
66301ms
50th percentile (median)
P90
122759ms
77802ms
90th percentile

FiQa

MetricQwen3 Embedding 4BQwen3 Embedding 0.6BDescription
Accuracy Metrics
nDCG@5
0.724
0.620
Ranking quality at top 5 results
nDCG@10
0.759
0.647
Ranking quality at top 10 results
Recall@5
0.715
0.590
% of relevant docs in top 5
Recall@10
0.835
0.680
% of relevant docs in top 10
Latency Metrics
Mean
120137ms
212205ms
Average response time
P50
117734ms
207961ms
50th percentile (median)
P90
138158ms
244036ms
90th percentile

SciFact

MetricQwen3 Embedding 4BQwen3 Embedding 0.6BDescription
Accuracy Metrics
nDCG@5
0.695
0.666
Ranking quality at top 5 results
nDCG@10
0.733
0.686
Ranking quality at top 10 results
Recall@5
0.787
0.723
% of relevant docs in top 5
Recall@10
0.893
0.783
% of relevant docs in top 10
Latency Metrics
Mean
143712ms
102019ms
Average response time
P50
140838ms
99979ms
50th percentile (median)
P90
165269ms
117322ms
90th percentile

MSMARCO

MetricQwen3 Embedding 4BQwen3 Embedding 0.6BDescription
Accuracy Metrics
nDCG@5
1.000
0.997
Ranking quality at top 5 results
nDCG@10
1.000
0.992
Ranking quality at top 10 results
Recall@5
0.123
0.122
% of relevant docs in top 5
Recall@10
0.224
0.215
% of relevant docs in top 10
Latency Metrics
Mean
112945ms
65717ms
Average response time
P50
110686ms
64403ms
50th percentile (median)
P90
129887ms
75575ms
90th percentile

NorQuAD

MetricQwen3 Embedding 4BQwen3 Embedding 0.6BDescription
Accuracy Metrics
Latency Metrics
Mean
13597ms
12763ms
Average response time
P50
13325ms
12508ms
50th percentile (median)
P90
15637ms
14677ms
90th percentile

ARCD

MetricQwen3 Embedding 4BQwen3 Embedding 0.6BDescription
Accuracy Metrics
nDCG@5
0.915
0.865
Ranking quality at top 5 results
nDCG@10
0.922
0.872
Ranking quality at top 10 results
Recall@5
0.940
0.880
% of relevant docs in top 5
Recall@10
0.960
0.900
% of relevant docs in top 10
Latency Metrics
Mean
9581ms
6841ms
Average response time
P50
9389ms
6704ms
50th percentile (median)
P90
11018ms
7867ms
90th percentile

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