DeepSeek V4.1 Flash vs DeepSeek V4 Flash Latest: cost comparison
Prices updated 2026-11-07 · computed from live provider data
Short answer: DeepSeek V4 Flash Latest is cheaper on a
3:1 input/output blend — $0.117 per million tokens versus
$0.180, a 35% difference.
Both offer the same 1,048,576-token context window, so cost is the deciding factor.
Head to head
| DeepSeek V4.1 Flash | DeepSeek V4 Flash Latest | |
|---|---|---|
| Input, per 1M tokens | $0.051 | $0.057 |
| Output, per 1M tokens | $0.567 | $0.300 |
| Blended 3:1, per 1M | $0.180 | $0.117 |
| Context window | 1,048,576 | 1,048,576 |
| Vendor | deepseek | deepseek |
Monthly cost at real volumes
| Workload (input / output) | DeepSeek V4.1 Flash | DeepSeek V4 Flash Latest |
|---|---|---|
| 1M in / 250K out | $0.193 | $0.132 |
| 10M in / 2.5M out | $1.93 | $1.32 |
| 100M in / 25M out | $19.27 | $13.16 |
Which should you pick?
Because the context windows are identical, the cheaper option is the better default. Choose DeepSeek V4 Flash Latest unless you are already standardised on deepseek tooling and want to avoid a second integration.