DeepSeek V4 Flash vs Mistral Large 3
DeepSeek against Mistral AI, costed on the same three workloads. DeepSeek V4 Flash is cheaper on all three workloads.
Monthly bill, side by side
| Workload | DeepSeek V4 Flash | Mistral Large 3 | Difference |
|---|---|---|---|
| Support chatbot 2,500 six-turn conversations a day |
$1,087 | $1,609 | $522 (+48%) |
| Document summariser 1,000 single-shot summaries a day |
$139 | $219 | $80.40 (1.6×) |
| Coding agent 200 twelve-turn sessions a day |
$788 | $1,224 | $436 (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
| DeepSeek V4 Flash | Mistral Large 3 | |
|---|---|---|
| Input, per 1M tokens | $0.3 | $0.5 |
| Output, per 1M tokens | $1.2 | $1.5 |
| Cached input | $0.006 | $0.05 |
| Context window | 1M | 262K |
| Maximum output | 384K | 262K |
| Reasoning model | yes | no |
| Vision | no | yes |
Run this comparison on your own numbers
Full detail: DeepSeek V4 Flash pricing · Mistral Large 3 pricing