Qwen3 Embedding 8B vs Qwen3 Embedding 0.6B
Detailed comparison between Qwen3 Embedding 8B and Qwen3 Embedding 0.6B. See which embedding best meets your accuracy and performance needs.
Model Comparison
Qwen3 Embedding 8B takes the lead.
Both Qwen3 Embedding 8B 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 8B:
- Qwen3 Embedding 8B has 37 higher ELO rating
- Qwen3 Embedding 8B delivers better accuracy (nDCG@10: 0.818 vs 0.751)
- Qwen3 Embedding 8B has a 10.7% higher win rate
Overview
Key metrics
ELO Rating
Overall ranking quality
Qwen3 Embedding 8B
Qwen3 Embedding 0.6B
Win Rate
Head-to-head performance
Qwen3 Embedding 8B
Qwen3 Embedding 0.6B
Accuracy (nDCG@10)
Ranking quality metric
Qwen3 Embedding 8B
Qwen3 Embedding 0.6B
Average Latency
Response time
Qwen3 Embedding 8B
Qwen3 Embedding 0.6B
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 | Qwen3 Embedding 8B | Qwen3 Embedding 0.6B | Description |
|---|---|---|---|
| Overall Performance | |||
| ELO Rating | 1516 | 1478 | Overall ranking quality based on pairwise comparisons |
| Win Rate | 47.9% | 37.3% | Percentage of comparisons won against other models |
| Pricing & Availability | |||
| Price per 1M tokens | $0.050 | $0.010 | Cost per million tokens processed |
| Dimensions | 4096 | 1024 | Vector embedding dimensions (lower is more efficient) |
| Release Date | 2025-06-06 | 2025-06-06 | Model release date |
| Accuracy Metrics | |||
| Avg nDCG@10 | 0.818 | 0.751 | Normalized discounted cumulative gain at position 10 |
| Performance Metrics | |||
| Avg Latency | 50ms | 22ms | 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 | Qwen3 Embedding 8B | Qwen3 Embedding 0.6B | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| Latency Metrics | |||
| Mean | 26ms | 13ms | Average response time |
| P50 | 25ms | 13ms | 50th percentile (median) |
| P90 | 30ms | 15ms | 90th percentile |
business reports
| Metric | Qwen3 Embedding 8B | Qwen3 Embedding 0.6B | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| Latency Metrics | |||
| Mean | 136ms | 22ms | Average response time |
| P50 | 134ms | 21ms | 50th percentile (median) |
| P90 | 157ms | 25ms | 90th percentile |
DBPedia
| Metric | Qwen3 Embedding 8B | Qwen3 Embedding 0.6B | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.633 | 0.549 | Ranking quality at top 5 results |
| nDCG@10 | 0.625 | 0.556 | Ranking quality at top 10 results |
| Recall@5 | 0.235 | 0.216 | % of relevant docs in top 5 |
| Recall@10 | 0.381 | 0.350 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 40ms | 13ms | Average response time |
| P50 | 39ms | 13ms | 50th percentile (median) |
| P90 | 46ms | 15ms | 90th percentile |
FiQa
| Metric | Qwen3 Embedding 8B | Qwen3 Embedding 0.6B | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.760 | 0.620 | Ranking quality at top 5 results |
| nDCG@10 | 0.781 | 0.647 | Ranking quality at top 10 results |
| Recall@5 | 0.732 | 0.590 | % of relevant docs in top 5 |
| Recall@10 | 0.814 | 0.680 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 38ms | 42ms | Average response time |
| P50 | 37ms | 41ms | 50th percentile (median) |
| P90 | 43ms | 49ms | 90th percentile |
SciFact
| Metric | Qwen3 Embedding 8B | Qwen3 Embedding 0.6B | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.750 | 0.666 | Ranking quality at top 5 results |
| nDCG@10 | 0.765 | 0.686 | Ranking quality at top 10 results |
| Recall@5 | 0.843 | 0.723 | % of relevant docs in top 5 |
| Recall@10 | 0.883 | 0.783 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 40ms | 20ms | Average response time |
| P50 | 39ms | 19ms | 50th percentile (median) |
| P90 | 46ms | 23ms | 90th percentile |
MSMARCO
| Metric | Qwen3 Embedding 8B | Qwen3 Embedding 0.6B | Description |
|---|---|---|---|
| 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 | 36ms | 13ms | Average response time |
| P50 | 35ms | 13ms | 50th percentile (median) |
| P90 | 41ms | 15ms | 90th percentile |
NorQuAD
| Metric | Qwen3 Embedding 8B | Qwen3 Embedding 0.6B | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| Latency Metrics | |||
| Mean | 46ms | 32ms | Average response time |
| P50 | 45ms | 31ms | 50th percentile (median) |
| P90 | 53ms | 36ms | 90th percentile |
ARCD
| Metric | Qwen3 Embedding 8B | Qwen3 Embedding 0.6B | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.913 | 0.865 | Ranking quality at top 5 results |
| nDCG@10 | 0.919 | 0.872 | Ranking quality at top 10 results |
| Recall@5 | 0.920 | 0.880 | % of relevant docs in top 5 |
| Recall@10 | 0.940 | 0.900 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 41ms | 23ms | Average response time |
| P50 | 40ms | 23ms | 50th percentile (median) |
| P90 | 47ms | 27ms | 90th percentile |
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