Qwen 3.5 Plus 02 15 vs DeepSeek V3.2: cost comparison
Prices updated 2026-10-31 · computed from live provider data
Short answer: DeepSeek V3.2 is cheaper on a
3:1 input/output blend — $0.290 per million tokens versus
$0.585, a 50% difference.
Qwen 3.5 Plus 02 15 offers the larger context window at 1,000,000 tokens, against 163,840 for DeepSeek V3.2.
Head to head
| Qwen 3.5 Plus 02 15 | DeepSeek V3.2 | |
|---|---|---|
| Input, per 1M tokens | $0.260 | $0.260 |
| Output, per 1M tokens | $1.56 | $0.380 |
| Blended 3:1, per 1M | $0.585 | $0.290 |
| Context window | 1,000,000 | 163,840 |
| Vendor | qwen | deepseek |
Monthly cost at real volumes
| Workload (input / output) | Qwen 3.5 Plus 02 15 | DeepSeek V3.2 |
|---|---|---|
| 1M in / 250K out | $0.650 | $0.355 |
| 10M in / 2.5M out | $6.50 | $3.55 |
| 100M in / 25M out | $65.00 | $35.50 |
Which should you pick?
Pick Qwen 3.5 Plus 02 15 when you need the longer context window (1,000,000 vs 163,840 tokens). Pick DeepSeek V3.2 when price per token dominates your workload — high-volume classification, extraction, or batch summarisation.