Qwen3 Embedding 8B vs OpenAI text-embedding-3-small

Detailed comparison between Qwen3 Embedding 8B and OpenAI text-embedding-3-small. See which embedding best meets your accuracy and performance needs.

Model Comparison

Qwen3 Embedding 8B takes the lead.

Both Qwen3 Embedding 8B and OpenAI text-embedding-3-small are powerful embedding models designed to improve retrieval quality in RAG applications. However, their performance characteristics differ in important ways.

Why Qwen3 Embedding 8B:

  • Qwen3 Embedding 8B has 12 higher ELO rating
  • Qwen3 Embedding 8B delivers better accuracy (nDCG@10: 0.818 vs 0.762)
  • OpenAI text-embedding-3-small is 100800ms faster on average

Overview

Key metrics

ELO Rating

Overall ranking quality

Qwen3 Embedding 8B

1516

OpenAI text-embedding-3-small

1503

Win Rate

Head-to-head performance

Qwen3 Embedding 8B

47.9%

OpenAI text-embedding-3-small

44.6%

Accuracy (nDCG@10)

Ranking quality metric

Qwen3 Embedding 8B

0.818

OpenAI text-embedding-3-small

0.762

Average Latency

Response time

Qwen3 Embedding 8B

130758ms

OpenAI text-embedding-3-small

29958ms

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 8BOpenAI text-embedding-3-smallDescription
Overall Performance
ELO Rating
1516
1503
Overall ranking quality based on pairwise comparisons
Win Rate
47.9%
44.6%
Percentage of comparisons won against other models
Pricing & Availability
Price per 1M tokens
$0.050
$0.020
Cost per million tokens processed
Release Date
2025-06-06
2024-01-25
Model release date
Accuracy Metrics
Avg nDCG@10
0.818
0.762
Normalized discounted cumulative gain at position 10
Performance Metrics
Avg Latency
130758ms
29958ms
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 8BOpenAI text-embedding-3-smallDescription
Accuracy Metrics
Latency Metrics
Mean
151470ms
55877ms
Average response time
P50
148441ms
54759ms
50th percentile (median)
P90
174191ms
64259ms
90th percentile

business reports

MetricQwen3 Embedding 8BOpenAI text-embedding-3-smallDescription
Accuracy Metrics
Latency Metrics
Mean
93874ms
5645ms
Average response time
P50
91997ms
5532ms
50th percentile (median)
P90
107955ms
6492ms
90th percentile

DBPedia

MetricQwen3 Embedding 8BOpenAI text-embedding-3-smallDescription
Accuracy Metrics
nDCG@5
0.633
0.605
Ranking quality at top 5 results
nDCG@10
0.625
0.604
Ranking quality at top 10 results
Recall@5
0.235
0.230
% of relevant docs in top 5
Recall@10
0.381
0.365
% of relevant docs in top 10
Latency Metrics
Mean
200373ms
35365ms
Average response time
P50
196366ms
34658ms
50th percentile (median)
P90
230429ms
40670ms
90th percentile

FiQa

MetricQwen3 Embedding 8BOpenAI text-embedding-3-smallDescription
Accuracy Metrics
nDCG@5
0.760
0.635
Ranking quality at top 5 results
nDCG@10
0.781
0.647
Ranking quality at top 10 results
Recall@5
0.732
0.623
% of relevant docs in top 5
Recall@10
0.814
0.681
% of relevant docs in top 10
Latency Metrics
Mean
189471ms
41338ms
Average response time
P50
185682ms
40511ms
50th percentile (median)
P90
217892ms
47539ms
90th percentile

SciFact

MetricQwen3 Embedding 8BOpenAI text-embedding-3-smallDescription
Accuracy Metrics
nDCG@5
0.750
0.682
Ranking quality at top 5 results
nDCG@10
0.765
0.707
Ranking quality at top 10 results
Recall@5
0.843
0.778
% of relevant docs in top 5
Recall@10
0.883
0.843
% of relevant docs in top 10
Latency Metrics
Mean
200031ms
55544ms
Average response time
P50
196030ms
54433ms
50th percentile (median)
P90
230036ms
63876ms
90th percentile

MSMARCO

MetricQwen3 Embedding 8BOpenAI text-embedding-3-smallDescription
Accuracy Metrics
nDCG@5
1.000
0.997
Ranking quality at top 5 results
nDCG@10
1.000
0.990
Ranking quality at top 10 results
Recall@5
0.123
0.122
% of relevant docs in top 5
Recall@10
0.224
0.213
% of relevant docs in top 10
Latency Metrics
Mean
180144ms
35961ms
Average response time
P50
176541ms
35242ms
50th percentile (median)
P90
207166ms
41355ms
90th percentile

NorQuAD

MetricQwen3 Embedding 8BOpenAI text-embedding-3-smallDescription
Accuracy Metrics
Latency Metrics
Mean
18544ms
6467ms
Average response time
P50
18173ms
6338ms
50th percentile (median)
P90
21326ms
7437ms
90th percentile

ARCD

MetricQwen3 Embedding 8BOpenAI text-embedding-3-smallDescription
Accuracy Metrics
nDCG@5
0.913
0.855
Ranking quality at top 5 results
nDCG@10
0.919
0.862
Ranking quality at top 10 results
Recall@5
0.920
0.900
% of relevant docs in top 5
Recall@10
0.940
0.920
% of relevant docs in top 10
Latency Metrics
Mean
12156ms
3464ms
Average response time
P50
11913ms
3395ms
50th percentile (median)
P90
13979ms
3984ms
90th percentile

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