DeepSeek V4.1 Flash vs Qwen 3.5 35 B A3 B: cost comparison
Prices updated 2026-11-11 · computed from live provider data
Short answer: Qwen 3.5 35 B A3 B is cheaper on a
3:1 input/output blend — $0.158 per million tokens versus
$0.180, a 12% difference.
DeepSeek V4.1 Flash offers the larger context window at 1,048,576 tokens, against 258,048 for Qwen 3.5 35 B A3 B.
Head to head
| DeepSeek V4.1 Flash | Qwen 3.5 35 B A3 B | |
|---|---|---|
| Input, per 1M tokens | $0.051 | $0.057 |
| Output, per 1M tokens | $0.567 | $0.459 |
| Blended 3:1, per 1M | $0.180 | $0.158 |
| Context window | 1,048,576 | 258,048 |
| Vendor | deepseek | empiriolabs |
Monthly cost at real volumes
| Workload (input / output) | DeepSeek V4.1 Flash | Qwen 3.5 35 B A3 B |
|---|---|---|
| 1M in / 250K out | $0.193 | $0.172 |
| 10M in / 2.5M out | $1.93 | $1.72 |
| 100M in / 25M out | $19.27 | $17.18 |
Which should you pick?
Pick DeepSeek V4.1 Flash when you need the longer context window (1,048,576 vs 258,048 tokens). Pick Qwen 3.5 35 B A3 B when price per token dominates your workload — high-volume classification, extraction, or batch summarisation.