DeepSeek V4 Pro vs DeepSeek V4 Flash
Facts only. This page does not pick a winner. For a picked winner, see the use case comparison on Tools.
| DeepSeek V4 Pro | DeepSeek V4 Flash | |
|---|---|---|
| API model IDs | deepseek-v4-pro, deepseek-v4-pro-0813 | deepseek-v4-flash, deepseek-v4-flash-0731 |
| Context window | 1,000,000 | 1,000,000 |
| Lifecycle | active | active |
| License | open-weights | open-weights |
| Trains on API data | Yes | Yes |
| Zero data retention | no | no |
| Input per 1M tokens | $1.32 (verified 2026-09-08) | $0.44 (verified 2026-09-08) |