Qwen3 Next 80B vs DeepSeek V4 Flash
Alibaba (Qwen) against DeepSeek, costed on the same three workloads. DeepSeek V4 Flash is cheaper on all three workloads.
Monthly bill, side by side
| Workload | Qwen3 Next 80B | DeepSeek V4 Flash | Difference |
|---|---|---|---|
| Support chatbot 2,500 six-turn conversations a day |
$786 | $394 | $393 (2×) |
| Document summariser 1,000 single-shot summaries a day |
$83.70 | $57.96 | $25.74 (+44%) |
| Coding agent 200 twelve-turn sessions a day |
$502 | $318 | $185 (1.6×) |
No prompt caching and no batch discount on either side, so the comparison is like for like. Both figures assume 30 days a month.
The rate cards
| Qwen3 Next 80B | DeepSeek V4 Flash | |
|---|---|---|
| Input, per 1M tokens | $0.15 | $0.14 |
| Output, per 1M tokens | $1.2 | $0.28 |
| Cached input | not published | $0.0028 |
| Context window | 262K | 1M |
| Maximum output | 66K | 8K |
| Reasoning model | yes | yes |
| Vision | no | no |
Run this comparison on your own numbers
Full detail: Qwen3 Next 80B pricing · DeepSeek V4 Flash pricing