C4 AI Aya Expanse 32 B vs Dolphin: cost comparison
Prices updated 2026-10-27 · computed from live provider data
Short answer: Dolphin is cheaper on a
3:1 input/output blend — $0.500 per million tokens versus
$0.750, a 33% difference.
C4 AI Aya Expanse 32 B offers the larger context window at 128,000 tokens, against 16,384 for Dolphin.
Head to head
| C4 AI Aya Expanse 32 B | Dolphin | |
|---|---|---|
| Input, per 1M tokens | $0.500 | $0.500 |
| Output, per 1M tokens | $1.50 | $0.500 |
| Blended 3:1, per 1M | $0.750 | $0.500 |
| Context window | 128,000 | 16,384 |
| Vendor | c4ai | dolphin |
Monthly cost at real volumes
| Workload (input / output) | C4 AI Aya Expanse 32 B | Dolphin |
|---|---|---|
| 1M in / 250K out | $0.875 | $0.625 |
| 10M in / 2.5M out | $8.75 | $6.25 |
| 100M in / 25M out | $87.50 | $62.50 |
Which should you pick?
Pick C4 AI Aya Expanse 32 B when you need the longer context window (128,000 vs 16,384 tokens). Pick Dolphin when price per token dominates your workload — high-volume classification, extraction, or batch summarisation.