Voyage AI Rerank 2.5 Lite vs BAAI/BGE Reranker v2 M3

Detailed comparison between Voyage AI Rerank 2.5 Lite and BAAI/BGE Reranker v2 M3. See which reranker best meets your accuracy and performance needs.

Model Comparison

Voyage AI Rerank 2.5 Lite takes the lead.

Both Voyage AI Rerank 2.5 Lite 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 Lite:

  • Voyage AI Rerank 2.5 Lite has 215 higher ELO rating
  • Voyage AI Rerank 2.5 Lite delivers better accuracy (nDCG@10: 0.226 vs 0.201)
  • Voyage AI Rerank 2.5 Lite is 1767ms faster on average
  • Voyage AI Rerank 2.5 Lite has a 24.3% higher win rate

Overview

Key metrics

ELO Rating

Overall ranking quality

Voyage AI Rerank 2.5 Lite

1528

BAAI/BGE Reranker v2 M3

1314

Win Rate

Head-to-head performance

Voyage AI Rerank 2.5 Lite

53.1%

BAAI/BGE Reranker v2 M3

28.8%

Accuracy (nDCG@10)

Ranking quality metric

Voyage AI Rerank 2.5 Lite

0.226

BAAI/BGE Reranker v2 M3

0.201

Average Latency

Response time

Voyage AI Rerank 2.5 Lite

616ms

BAAI/BGE Reranker v2 M3

2383ms

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

MetricVoyage AI Rerank 2.5 LiteBAAI/BGE Reranker v2 M3Description
Overall Performance
ELO Rating
1528
1314
Overall ranking quality based on pairwise comparisons
Win Rate
53.1%
28.8%
Percentage of comparisons won against other models
Pricing & Availability
Price per 1M tokens
$0.020
$0.020
Cost per million tokens processed
Release Date
2025-08-11
2023-09-15
Model release date
Accuracy Metrics
Avg nDCG@10
0.226
0.201
Normalized discounted cumulative gain at position 10
Performance Metrics
Avg Latency
616ms
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

MetricVoyage AI Rerank 2.5 LiteBAAI/BGE Reranker v2 M3Description
Accuracy Metrics
nDCG@5
0.577
0.592
Ranking quality at top 5 results
nDCG@10
0.585
0.605
Ranking quality at top 10 results
Recall@5
0.780
0.740
% of relevant docs in top 5
Recall@10
0.800
0.780
% of relevant docs in top 10
Latency Metrics
Mean
563ms
2207ms
Average response time
P50
610ms
825ms
50th percentile (median)
P90
619ms
1247ms
90th percentile

arguana

MetricVoyage AI Rerank 2.5 LiteBAAI/BGE Reranker v2 M3Description
Accuracy Metrics
nDCG@5
0.436
0.312
Ranking quality at top 5 results
nDCG@10
0.496
0.386
Ranking quality at top 10 results
Recall@5
0.800
0.560
% of relevant docs in top 5
Recall@10
0.980
0.780
% of relevant docs in top 10
Latency Metrics
Mean
636ms
2989ms
Average response time
P50
613ms
1658ms
50th percentile (median)
P90
819ms
2279ms
90th percentile

FiQa

MetricVoyage AI Rerank 2.5 LiteBAAI/BGE Reranker v2 M3Description
Accuracy Metrics
nDCG@5
0.111
0.112
Ranking quality at top 5 results
nDCG@10
0.122
0.120
Ranking quality at top 10 results
Recall@5
0.103
0.105
% of relevant docs in top 5
Recall@10
0.135
0.130
% of relevant docs in top 10
Latency Metrics
Mean
639ms
2529ms
Average response time
P50
613ms
1019ms
50th percentile (median)
P90
819ms
1649ms
90th percentile

business reports

MetricVoyage AI Rerank 2.5 LiteBAAI/BGE Reranker v2 M3Description
Latency Metrics
Mean
599ms
2451ms
Average response time
P50
611ms
895ms
50th percentile (median)
P90
727ms
1679ms
90th percentile

PG

MetricVoyage AI Rerank 2.5 LiteBAAI/BGE Reranker v2 M3Description
Latency Metrics
Mean
670ms
2034ms
Average response time
P50
615ms
1225ms
50th percentile (median)
P90
818ms
2091ms
90th percentile

DBPedia

MetricVoyage AI Rerank 2.5 LiteBAAI/BGE Reranker v2 M3Description
Accuracy Metrics
nDCG@5
0.146
0.096
Ranking quality at top 5 results
nDCG@10
0.156
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
587ms
2087ms
Average response time
P50
612ms
806ms
50th percentile (median)
P90
656ms
1068ms
90th percentile

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