Voyage AI Rerank 2.5 vs BAAI/BGE Reranker v2 M3
Detailed comparison between Voyage AI Rerank 2.5 and BAAI/BGE Reranker v2 M3. See which reranker best meets your accuracy and performance needs.
Model Comparison
Voyage AI Rerank 2.5 takes the lead.
Both Voyage AI Rerank 2.5 and BAAI/BGE Reranker v2 M3 are powerful reranking models designed to improve retrieval quality in RAG applications. However, their performance characteristics differ in important ways.
Why Voyage AI Rerank 2.5:
- Voyage AI Rerank 2.5 has 234 higher ELO rating
- Voyage AI Rerank 2.5 delivers better accuracy (nDCG@10: 0.235 vs 0.201)
- Voyage AI Rerank 2.5 is 1769ms faster on average
- Voyage AI Rerank 2.5 has a 29.9% higher win rate
Overview
Key metrics
ELO Rating
Overall ranking quality
Voyage AI Rerank 2.5
BAAI/BGE Reranker v2 M3
Win Rate
Head-to-head performance
Voyage AI Rerank 2.5
BAAI/BGE Reranker v2 M3
Accuracy (nDCG@10)
Ranking quality metric
Voyage AI Rerank 2.5
BAAI/BGE Reranker v2 M3
Average Latency
Response time
Voyage AI Rerank 2.5
BAAI/BGE Reranker v2 M3
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 | Voyage AI Rerank 2.5 | BAAI/BGE Reranker v2 M3 | Description |
|---|---|---|---|
| Overall Performance | |||
| ELO Rating | 1547 | 1314 | Overall ranking quality based on pairwise comparisons |
| Win Rate | 58.7% | 28.8% | Percentage of comparisons won against other models |
| Pricing & Availability | |||
| Price per 1M tokens | $0.050 | $0.020 | Cost per million tokens processed |
| Release Date | 2025-08-11 | 2023-09-15 | Model release date |
| Accuracy Metrics | |||
| Avg nDCG@10 | 0.235 | 0.201 | Normalized discounted cumulative gain at position 10 |
| Performance Metrics | |||
| Avg Latency | 613ms | 2383ms | Average response time across all datasets |
Dataset Performance
By field
Comprehensive comparison of accuracy metrics (nDCG, Recall) and latency percentiles for each benchmark dataset.
MSMARCO
| Metric | Voyage AI Rerank 2.5 | BAAI/BGE Reranker v2 M3 | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.571 | 0.592 | Ranking quality at top 5 results |
| nDCG@10 | 0.584 | 0.605 | Ranking quality at top 10 results |
| Recall@5 | 0.760 | 0.740 | % of relevant docs in top 5 |
| Recall@10 | 0.800 | 0.780 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 571ms | 2207ms | Average response time |
| P50 | 611ms | 825ms | 50th percentile (median) |
| P90 | 647ms | 1247ms | 90th percentile |
arguana
| Metric | Voyage AI Rerank 2.5 | BAAI/BGE Reranker v2 M3 | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.536 | 0.312 | Ranking quality at top 5 results |
| nDCG@10 | 0.543 | 0.386 | Ranking quality at top 10 results |
| Recall@5 | 0.960 | 0.560 | % of relevant docs in top 5 |
| Recall@10 | 0.980 | 0.780 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 675ms | 2989ms | Average response time |
| P50 | 612ms | 1658ms | 50th percentile (median) |
| P90 | 820ms | 2279ms | 90th percentile |
FiQa
| Metric | Voyage AI Rerank 2.5 | BAAI/BGE Reranker v2 M3 | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.108 | 0.112 | Ranking quality at top 5 results |
| nDCG@10 | 0.119 | 0.120 | Ranking quality at top 10 results |
| Recall@5 | 0.098 | 0.105 | % of relevant docs in top 5 |
| Recall@10 | 0.128 | 0.130 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 627ms | 2529ms | Average response time |
| P50 | 611ms | 1019ms | 50th percentile (median) |
| P90 | 814ms | 1649ms | 90th percentile |
business reports
| Metric | Voyage AI Rerank 2.5 | BAAI/BGE Reranker v2 M3 | Description |
|---|---|---|---|
| Latency Metrics | |||
| Mean | 612ms | 2451ms | Average response time |
| P50 | 521ms | 895ms | 50th percentile (median) |
| P90 | 734ms | 1679ms | 90th percentile |
PG
| Metric | Voyage AI Rerank 2.5 | BAAI/BGE Reranker v2 M3 | Description |
|---|---|---|---|
| Latency Metrics | |||
| Mean | 612ms | 2034ms | Average response time |
| P50 | 612ms | 1225ms | 50th percentile (median) |
| P90 | 791ms | 2091ms | 90th percentile |
DBPedia
| Metric | Voyage AI Rerank 2.5 | BAAI/BGE Reranker v2 M3 | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.163 | 0.096 | Ranking quality at top 5 results |
| nDCG@10 | 0.164 | 0.096 | Ranking quality at top 10 results |
| Recall@5 | 0.004 | 0.003 | % of relevant docs in top 5 |
| Recall@10 | 0.005 | 0.003 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 583ms | 2087ms | Average response time |
| P50 | 613ms | 806ms | 50th percentile (median) |
| P90 | 632ms | 1068ms | 90th percentile |
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