Rerank 3.5 vs rerank-2.5
Side-by-side API pricing comparison · Cohere vs Voyage AI
🏆
Rerank 3.5 is 150% cheaper on blended cost ($0.020 vs $0.050/Mtok)
Rerank 3.5
by Cohere
Current embeddingInput
$0.020/Mtok
Output
$0.020/Mtok
✓ Cheaper
| Blended avg | $0.020/Mtok |
|---|---|
| Context | — tokens |
| Modality | text |
| Parameters | Proprietary |
| Released | Mar 1, 2025 |
rerank-2.5
by Voyage AI
Current embeddingInput
$0.050/Mtok
Output
$0.050/Mtok
| Blended avg | $0.050/Mtok |
|---|---|
| Context | — tokens |
| Modality | text |
| Parameters | Proprietary |
| Released | Jun 1, 2025 |
Cost at scale — 1M tokens (50/50 input/output)
| Volume | Rerank 3.5 | rerank-2.5 | Savings |
|---|---|---|---|
| 1M tokens | $0.02 | $0.05 | $0.03 (60%) |
| 10M tokens | $0.2 | $0.5 | $0.3 (60%) |
| 100M tokens | $2 | $5 | $3 (60%) |
| 1000M tokens | $20 | $50 | $30 (60%) |
Summary
Rerank 3.5 by Cohere costs $0.020/Mtok input and $0.020/Mtok output, with a —-token context window. It supports text input.
rerank-2.5 by Voyage AI costs $0.050/Mtok input and $0.050/Mtok output, with a —-token context window. It supports text input.
On a blended cost basis, Rerank 3.5 is 150% cheaper than rerank-2.5.
Note: Pricing is per million tokens. Actual costs vary with usage patterns, prompt caching, and batch discounts. Always verify against official provider pricing pages.