Contextual AI Rerank v2 Instruct
Available in 1B, 2B, and 6B parameter sizes with unique recency-awareness capabilities for time-sensitive ranking. Only reranker family capable of ranking recent information higher with ~35% performance improvement on recency tasks.
Model Information
- Provider
- Contextual AI
- License
- cc-by-nc-4.0
- Price per 1M tokens
- $0.050
- Release Date
- 2025-09-12
- Model Name
- ctxl-rerank-v2-instruct-multilingual
- Total Evaluations
- 3300
Performance Record
Wins1397 (42.3%)
Losses1807 (54.8%)
Ties96 (2.9%)
Wins
Losses
Ties
Performance Overview
ELO ratings by dataset
Contextual AI Rerank v2 Instruct's ELO performance varies across different benchmark datasets, showing its strengths in specific domains.
Contextual AI Rerank v2 Instruct - ELO by Dataset
Detailed Metrics
Dataset breakdown
Performance metrics across different benchmark datasets, including accuracy and latency percentiles.
business reports
ELO 152146.0% WR253W-295L-2T
Accuracy Metrics
- nDCG@5
- 0.000
- nDCG@10
- 0.000
- Recall@5
- 0.000
- Recall@10
- 0.000
Latency Distribution
- Mean
- 3231ms
- P50 (Median)
- 3129ms
- P90
- 3651ms
PG
ELO 150656.7% WR312W-238L-0T
Accuracy Metrics
- nDCG@5
- 0.000
- nDCG@10
- 0.000
- Recall@5
- 0.000
- Recall@10
- 0.000
Latency Distribution
- Mean
- 3566ms
- P50 (Median)
- 3475ms
- P90
- 4148ms
FiQa
ELO 147931.3% WR172W-364L-14T
Accuracy Metrics
- nDCG@5
- 0.119
- nDCG@10
- 0.125
- Recall@5
- 0.123
- Recall@10
- 0.135
Latency Distribution
- Mean
- 3283ms
- P50 (Median)
- 3209ms
- P90
- 3891ms
MSMARCO
ELO 146346.0% WR253W-240L-57T
Accuracy Metrics
- nDCG@5
- 0.000
- nDCG@10
- 0.000
- Recall@5
- 0.000
- Recall@10
- 0.000
Latency Distribution
- Mean
- 3283ms
- P50 (Median)
- 3260ms
- P90
- 3885ms
arguana
ELO 145239.6% WR218W-330L-2T
Accuracy Metrics
- nDCG@5
- 0.525
- nDCG@10
- 0.560
- Recall@5
- 0.860
- Recall@10
- 0.960
Latency Distribution
- Mean
- 3627ms
- P50 (Median)
- 3601ms
- P90
- 4037ms
DBPedia
ELO 139634.4% WR189W-340L-21T
Accuracy Metrics
- nDCG@5
- 0.000
- nDCG@10
- 0.000
- Recall@5
- 0.000
- Recall@10
- 0.000
Latency Distribution
- Mean
- 3010ms
- P50 (Median)
- 3042ms
- P90
- 3283ms
Compare Models
See how it stacks up
Compare Contextual AI Rerank v2 Instruct with other top rerankers to understand the differences in performance, accuracy, and latency.