Qwen 3.8 B vs DeepSeek V4 Flash Latest: cost comparison
Prices updated 2026-11-01 · computed from live provider data
Short answer: Qwen 3.8 B is cheaper on a
3:1 input/output blend — $0.065 per million tokens versus
$0.108, a 40% difference.
DeepSeek V4 Flash Latest offers the larger context window at 1,048,576 tokens, against 32,768 for Qwen 3.8 B.
Head to head
| Qwen 3.8 B | DeepSeek V4 Flash Latest | |
|---|---|---|
| Input, per 1M tokens | $0.040 | $0.043 |
| Output, per 1M tokens | $0.140 | $0.300 |
| Blended 3:1, per 1M | $0.065 | $0.108 |
| Context window | 32,768 | 1,048,576 |
| Vendor | llamagate | deepseek |
Monthly cost at real volumes
| Workload (input / output) | Qwen 3.8 B | DeepSeek V4 Flash Latest |
|---|---|---|
| 1M in / 250K out | $0.075 | $0.118 |
| 10M in / 2.5M out | $0.750 | $1.18 |
| 100M in / 25M out | $7.50 | $11.84 |
Which should you pick?
Pick DeepSeek V4 Flash Latest when you need the longer context window (1,048,576 vs 32,768 tokens). Pick Qwen 3.8 B when price per token dominates your workload — high-volume classification, extraction, or batch summarisation.