DeepSeek V4.1 Flash model for reasoning and agentic coding
Specification
most-agreed values
Context
1M
Max output
82K
Released
2026-09-10
Knowledge cutoff
2025-05
Retires
—
Open weights
yes
Input
text
Output
text
Price
US dollars per million tokens · most-agreed
Input
$0.2804
Output
$1.1215
Cache read
$0.1121
Available from 1 host
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| aki-io | $0.2804 | $1.1215 | $0.1121 | — | 1M | 82K | — |
Price history
append-only observations · a listing writes a row only when its price moves
| Date | Host | Field | $/M |
|---|---|---|---|
| 2026-10-06 | aki-io | Cache read | $0.10 |
| 2026-10-22 | aki-io | Cache read | $0.1121 |
| 2026-10-06 | aki-io | Input | $0.25 |
| 2026-10-22 | aki-io | Input | $0.2804 |
| 2026-10-06 | aki-io | Output | $1.00 |
| 2026-10-22 | aki-io | Output | $1.1215 |
Other listings of this model
this page is one of them
The corpus files DeepSeek V4.1 Flash under several keys. This page is the deepseek-v4-1-flash-552b listing. The full record — every host, every price and every benchmark score — is on the main DeepSeek V4.1 Flash page.
More from DeepSeek
most-hosted first