Voyage 3.5 Lite vs Voyage 4
Detailed comparison between Voyage 3.5 Lite and Voyage 4. See which embedding best meets your accuracy and performance needs.
Model Comparison
Voyage 4 takes the lead.
Both Voyage 3.5 Lite and Voyage 4 are powerful embedding models designed to improve retrieval quality in RAG applications. However, their performance characteristics differ in important ways.
Why Voyage 4:
- Voyage 4 has 103 higher ELO rating
- Voyage 4 delivers better accuracy (nDCG@10: 0.859 vs 0.803)
- Voyage 4 has a 17.3% higher win rate
Overview
Key metrics
ELO Rating
Overall ranking quality
Voyage 3.5 Lite
Voyage 4
Win Rate
Head-to-head performance
Voyage 3.5 Lite
Voyage 4
Accuracy (nDCG@10)
Ranking quality metric
Voyage 3.5 Lite
Voyage 4
Average Latency
Response time
Voyage 3.5 Lite
Voyage 4
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 3.5 Lite | Voyage 4 | Description |
|---|---|---|---|
| Overall Performance | |||
| ELO Rating | 1503 | 1606 | Overall ranking quality based on pairwise comparisons |
| Win Rate | 44.4% | 61.7% | Percentage of comparisons won against other models |
| Pricing & Availability | |||
| Price per 1M tokens | $0.020 | $0.060 | Cost per million tokens processed |
| Dimensions | 512 | 1024 | Vector embedding dimensions (lower is more efficient) |
| Release Date | 2025-05-20 | 2026-01-15 | Model release date |
| Accuracy Metrics | |||
| Avg nDCG@10 | 0.803 | 0.859 | Normalized discounted cumulative gain at position 10 |
| Performance Metrics | |||
| Avg Latency | 11ms | 17ms | 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 | Voyage 3.5 Lite | Voyage 4 | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| Latency Metrics | |||
| Mean | 8ms | 17ms | Average response time |
| P50 | 8ms | 17ms | 50th percentile (median) |
| P90 | 9ms | 19ms | 90th percentile |
business reports
| Metric | Voyage 3.5 Lite | Voyage 4 | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| Latency Metrics | |||
| Mean | 7ms | 15ms | Average response time |
| P50 | 7ms | 15ms | 50th percentile (median) |
| P90 | 8ms | 17ms | 90th percentile |
DBPedia
| Metric | Voyage 3.5 Lite | Voyage 4 | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.641 | 0.815 | Ranking quality at top 5 results |
| nDCG@10 | 0.632 | 0.811 | Ranking quality at top 10 results |
| Recall@5 | 0.219 | 0.062 | % of relevant docs in top 5 |
| Recall@10 | 0.367 | 0.122 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 6ms | 13ms | Average response time |
| P50 | 6ms | 13ms | 50th percentile (median) |
| P90 | 7ms | 15ms | 90th percentile |
FiQa
| Metric | Voyage 3.5 Lite | Voyage 4 | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.708 | 0.873 | Ranking quality at top 5 results |
| nDCG@10 | 0.736 | 0.859 | Ranking quality at top 10 results |
| Recall@5 | 0.687 | 0.763 | % of relevant docs in top 5 |
| Recall@10 | 0.780 | 0.840 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 16ms | 14ms | Average response time |
| P50 | 16ms | 14ms | 50th percentile (median) |
| P90 | 19ms | 15ms | 90th percentile |
SciFact
| Metric | Voyage 3.5 Lite | Voyage 4 | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.670 | 0.737 | Ranking quality at top 5 results |
| nDCG@10 | 0.719 | 0.758 | Ranking quality at top 10 results |
| Recall@5 | 0.718 | 0.804 | % of relevant docs in top 5 |
| Recall@10 | 0.843 | 0.878 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 12ms | 16ms | Average response time |
| P50 | 11ms | 16ms | 50th percentile (median) |
| P90 | 13ms | 18ms | 90th percentile |
MSMARCO
| Metric | Voyage 3.5 Lite | Voyage 4 | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.994 | 0.941 | Ranking quality at top 5 results |
| nDCG@10 | 0.995 | 0.931 | Ranking quality at top 10 results |
| Recall@5 | 0.122 | 0.123 | % of relevant docs in top 5 |
| Recall@10 | 0.222 | 0.221 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 10ms | 13ms | Average response time |
| P50 | 10ms | 13ms | 50th percentile (median) |
| P90 | 11ms | 14ms | 90th percentile |
ARCD
| Metric | Voyage 3.5 Lite | Voyage 4 | Description |
|---|---|---|---|
| Accuracy Metrics | |||
| nDCG@5 | 0.928 | 0.936 | Ranking quality at top 5 results |
| nDCG@10 | 0.935 | 0.936 | Ranking quality at top 10 results |
| Recall@5 | 0.960 | 1.000 | % of relevant docs in top 5 |
| Recall@10 | 0.980 | 1.000 | % of relevant docs in top 10 |
| Latency Metrics | |||
| Mean | 13ms | 28ms | Average response time |
| P50 | 13ms | 28ms | 50th percentile (median) |
| P90 | 15ms | 30ms | 90th percentile |
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