Zerank 1 vs Jina Reranker v2 Base Multilingual
Detailed comparison between Zerank 1 and Jina Reranker v2 Base Multilingual. See which reranker best meets your accuracy and performance needs.
Model Comparison
Zerank 1 takes the lead.
Both Zerank 1 and Jina Reranker v2 Base Multilingual are powerful reranking models designed to improve retrieval quality in RAG applications. However, their performance characteristics differ in important ways.
Why Zerank 1:
- Zerank 1 has 307 higher ELO rating
- Zerank 1 is 285ms faster on average
- Zerank 1 has a 25.1% higher win rate
Overview
Key metrics
ELO Rating
Overall ranking quality
Zerank 1
Jina Reranker v2 Base Multilingual
Win Rate
Head-to-head performance
Zerank 1
Jina Reranker v2 Base Multilingual
Accuracy (nDCG@10)
Ranking quality metric
Zerank 1
Jina Reranker v2 Base Multilingual
Average Latency
Response time
Zerank 1
Jina Reranker v2 Base Multilingual
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 | Zerank 1 | Jina Reranker v2 Base Multilingual | Description |
|---|---|---|---|
| Overall Performance | |||
| ELO Rating | 1642 | 1335 | Overall ranking quality based on pairwise comparisons |
| Win Rate | 62.9% | 37.8% | Percentage of comparisons won against other models |
| Pricing & Availability | |||
| Price per 1M tokens | $0.025 | $0.045 | Cost per million tokens processed |
| Release Date | 2025-07-10 | 2024-06-25 | Model release date |
| Accuracy Metrics | |||
| Avg nDCG@10 | 0.676 | 0.671 | Normalized discounted cumulative gain at position 10 |
| Performance Metrics | |||
| Avg Latency | 1126ms | 1411ms | Average response time across all datasets |
Dataset Performance
By field
Comprehensive comparison of accuracy metrics (nDCG, Recall) and latency percentiles for each benchmark dataset.
FiQa
| Metric | Zerank 1 | Jina Reranker v2 Base Multilingual | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.115 | 0.112 | Ranking quality at top 5 results |
| nDCG@10 | 0.121 | 0.121 | Ranking quality at top 10 results |
| Recall@5 | 0.105 | 0.105 | % of relevant docs in top 5 |
| Recall@10 | 0.125 | 0.130 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 995ms | 2294ms | Average response time |
| P50 | 992ms | 1949ms | 50th percentile (median) |
| P90 | 1124ms | 4906ms | 90th percentile |
SciFact
| Metric | Zerank 1 | Jina Reranker v2 Base Multilingual | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.863 | 0.830 | Ranking quality at top 5 results |
| nDCG@10 | 0.866 | 0.832 | Ranking quality at top 10 results |
| Recall@5 | 0.916 | 0.871 | % of relevant docs in top 5 |
| Recall@10 | 0.920 | 0.876 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 1358ms | 1123ms | Average response time |
| P50 | 1287ms | 1015ms | 50th percentile (median) |
| P90 | 1571ms | 1285ms | 90th percentile |
PG
| Metric | Zerank 1 | Jina Reranker v2 Base Multilingual | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| Latency Metrics | |||
| Mean | 1238ms | 994ms | Average response time |
| P50 | 1217ms | 839ms | 50th percentile (median) |
| P90 | 1316ms | 1436ms | 90th percentile |
business reports
| Metric | Zerank 1 | Jina Reranker v2 Base Multilingual | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| Latency Metrics | |||
| Mean | 1072ms | 2191ms | Average response time |
| P50 | 1070ms | 1237ms | 50th percentile (median) |
| P90 | 1273ms | 5520ms | 90th percentile |
MSMARCO
| Metric | Zerank 1 | Jina Reranker v2 Base Multilingual | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.967 | 0.985 | Ranking quality at top 5 results |
| nDCG@10 | 0.971 | 0.985 | Ranking quality at top 10 results |
| Recall@5 | 0.987 | 1.000 | % of relevant docs in top 5 |
| Recall@10 | 0.993 | 1.000 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 1005ms | 1100ms | Average response time |
| P50 | 993ms | 1023ms | 50th percentile (median) |
| P90 | 1071ms | 1642ms | 90th percentile |
DBPedia
| Metric | Zerank 1 | Jina Reranker v2 Base Multilingual | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.715 | 0.677 | Ranking quality at top 5 results |
| nDCG@10 | 0.747 | 0.744 | Ranking quality at top 10 results |
| Recall@5 | 0.064 | 0.064 | % of relevant docs in top 5 |
| Recall@10 | 0.103 | 0.106 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 1085ms | 763ms | Average response time |
| P50 | 1036ms | 796ms | 50th percentile (median) |
| P90 | 1243ms | 1021ms | 90th percentile |
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