OpenAI text-embedding-3-small vs Qwen3 Embedding 8B
Detailed comparison between OpenAI text-embedding-3-small and Qwen3 Embedding 8B. See which embedding best meets your accuracy and performance needs.
Model Comparison
Qwen3 Embedding 8B takes the lead.
Both OpenAI text-embedding-3-small and Qwen3 Embedding 8B 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)
Overview
Key metrics
ELO Rating
Overall ranking quality
OpenAI text-embedding-3-small
Qwen3 Embedding 8B
Win Rate
Head-to-head performance
OpenAI text-embedding-3-small
Qwen3 Embedding 8B
Accuracy (nDCG@10)
Ranking quality metric
OpenAI text-embedding-3-small
Qwen3 Embedding 8B
Average Latency
Response time
OpenAI text-embedding-3-small
Qwen3 Embedding 8B
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
| Metric | OpenAI text-embedding-3-small | Qwen3 Embedding 8B | Description |
|---|---|---|---|
| Overall Performance | |||
| ELO Rating | 1503 | 1516 | Overall ranking quality based on pairwise comparisons |
| Win Rate | 44.6% | 47.9% | Percentage of comparisons won against other models |
| Pricing & Availability | |||
| Price per 1M tokens | $0.020 | $0.050 | Cost per million tokens processed |
| Dimensions | 1536 | 4096 | Vector embedding dimensions (lower is more efficient) |
| Release Date | 2024-01-25 | 2025-06-06 | Model release date |
| Accuracy Metrics | |||
| Avg nDCG@10 | 0.762 | 0.818 | Normalized discounted cumulative gain at position 10 |
| Performance Metrics | |||
| Avg Latency | 10ms | 50ms | 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
| Metric | OpenAI text-embedding-3-small | Qwen3 Embedding 8B | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| Latency Metrics | |||
| Mean | 9ms | 26ms | Average response time |
| P50 | 9ms | 25ms | 50th percentile (median) |
| P90 | 11ms | 30ms | 90th percentile |
business reports
| Metric | OpenAI text-embedding-3-small | Qwen3 Embedding 8B | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| Latency Metrics | |||
| Mean | 7ms | 136ms | Average response time |
| P50 | 7ms | 134ms | 50th percentile (median) |
| P90 | 8ms | 157ms | 90th percentile |
DBPedia
| Metric | OpenAI text-embedding-3-small | Qwen3 Embedding 8B | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.605 | 0.633 | Ranking quality at top 5 results |
| nDCG@10 | 0.604 | 0.625 | Ranking quality at top 10 results |
| Recall@5 | 0.230 | 0.235 | % of relevant docs in top 5 |
| Recall@10 | 0.365 | 0.381 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 7ms | 40ms | Average response time |
| P50 | 7ms | 39ms | 50th percentile (median) |
| P90 | 8ms | 46ms | 90th percentile |
FiQa
| Metric | OpenAI text-embedding-3-small | Qwen3 Embedding 8B | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.635 | 0.760 | Ranking quality at top 5 results |
| nDCG@10 | 0.647 | 0.781 | Ranking quality at top 10 results |
| Recall@5 | 0.623 | 0.732 | % of relevant docs in top 5 |
| Recall@10 | 0.681 | 0.814 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 8ms | 38ms | Average response time |
| P50 | 8ms | 37ms | 50th percentile (median) |
| P90 | 9ms | 43ms | 90th percentile |
SciFact
| Metric | OpenAI text-embedding-3-small | Qwen3 Embedding 8B | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.682 | 0.750 | Ranking quality at top 5 results |
| nDCG@10 | 0.707 | 0.765 | Ranking quality at top 10 results |
| Recall@5 | 0.778 | 0.843 | % of relevant docs in top 5 |
| Recall@10 | 0.843 | 0.883 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 11ms | 40ms | Average response time |
| P50 | 11ms | 39ms | 50th percentile (median) |
| P90 | 13ms | 46ms | 90th percentile |
MSMARCO
| Metric | OpenAI text-embedding-3-small | Qwen3 Embedding 8B | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.997 | 1.000 | Ranking quality at top 5 results |
| nDCG@10 | 0.990 | 1.000 | Ranking quality at top 10 results |
| Recall@5 | 0.122 | 0.123 | % of relevant docs in top 5 |
| Recall@10 | 0.213 | 0.224 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 7ms | 36ms | Average response time |
| P50 | 7ms | 35ms | 50th percentile (median) |
| P90 | 8ms | 41ms | 90th percentile |
NorQuAD
| Metric | OpenAI text-embedding-3-small | Qwen3 Embedding 8B | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| Latency Metrics | |||
| Mean | 16ms | 46ms | Average response time |
| P50 | 15ms | 45ms | 50th percentile (median) |
| P90 | 18ms | 53ms | 90th percentile |
ARCD
| Metric | OpenAI text-embedding-3-small | Qwen3 Embedding 8B | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.855 | 0.913 | Ranking quality at top 5 results |
| nDCG@10 | 0.862 | 0.919 | Ranking quality at top 10 results |
| Recall@5 | 0.900 | 0.920 | % of relevant docs in top 5 |
| Recall@10 | 0.920 | 0.940 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 11ms | 41ms | Average response time |
| P50 | 10ms | 40ms | 50th percentile (median) |
| P90 | 12ms | 47ms | 90th percentile |
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