October 17 update of DeepSeek V4.1 Flash with improved reasoning, coding, agentic tasks, and visual understanding
Specification
deepseek listing
Context
1M
Max output
393K
Released
2026-10-17
Knowledge cutoff
2025-05
Retires
—
Open weights
yes
Input
text, image
Output
text
Price
US dollars per million tokens · deepseek list price
Input
$0.15
Output
$0.60
Cache read
$0.003
Cache write
free
Available from 7 hosts
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| deepseekvendor | $0.15 $0.30 | $0.60 $1.20 | $0.003 $0.006 | free | 1M 1M | 393K | — |
| kilo | $0.0081 | $0.0623 | $0.0075 | — | 1M | 944K | — |
| openrouter | $0.0081 | $0.0623 | $0.0075 | — | 1M | 944K | — |
| 302ai | $0.15 | $0.60 | $0.003 | — | 1M | 384K | — |
| tempr | $0.15 | $0.60 | $0.003 | — | 1M | 384K | — |
| fireworks-ai · accounts | $0.30 | $1.20 | $0.006 | — | 1M | 384K | — |
| inferenceapis · inferenceapis | $0.40 | $1.60 | $0.01 | — | 1M | 1M | — |
Price history
append-only observations · a listing writes a row only when its price moves
| Date | Host | Field | $/M |
|---|---|---|---|
| 2026-09-11 | deepseek | Cache read | $0.003 |
| 2026-09-13 | deepseek | Cache read | $0.003 |
| 2026-09-11 | deepseek | Input | $0.15 |
| 2026-09-13 | deepseek | Input | $0.15 |
| 2026-09-11 | deepseek | Output | $0.60 |
| 2026-09-13 | deepseek | Output | $0.60 |
| 2026-09-15 | kilo | Cache read | $0.015 |
| 2026-09-19 | kilo | Cache read | $0.004 |
| 2026-09-20 | kilo | Cache read | $0.0026 |
| 2026-09-21 | kilo | Cache read | $0.0036 |
| 2026-09-23 | kilo | Cache read | $0.01 |
| 2026-09-24 | kilo | Cache read | $0.06 |
| 2026-09-25 | kilo | Cache read | $0.01 |
| 2026-09-26 | kilo | Cache read | $0.001 |
| 2026-09-28 | kilo | Cache read | $0.0268 |
| 2026-09-29 | kilo | Cache read | $0.01 |
| 2026-09-30 | kilo | Cache read | $0.02 |
| 2026-10-01 | kilo | Cache read | $0.0029 |
| 2026-10-02 | kilo | Cache read | $0.023 |
| 2026-10-03 | kilo | Cache read | $0.0021 |
| 2026-10-04 | kilo | Cache read | $0.003 |
| 2026-10-07 | kilo | Cache read | $0.021 |
| 2026-10-08 | kilo | Cache read | $0.01 |
| 2026-10-09 | kilo | Cache read | $0.005 |
| 2026-10-12 | kilo | Cache read | $0.0264 |
| 2026-10-13 | kilo | Cache read | $0.0054 |
| 2026-10-17 | kilo | Cache read | $0.0016 |
| 2026-10-18 | kilo | Cache read | $0.008 |
| 2026-10-20 | kilo | Cache read | $0.01 |
| 2026-10-21 | kilo | Cache read | $0.008 |
| 2026-10-24 | kilo | Cache read | $0.015 |
| 2026-10-27 | kilo | Cache read | $0.0046 |
| 2026-10-28 | kilo | Cache read | $0.015 |
| 2026-10-30 | kilo | Cache read | $0.0336 |
| 2026-10-31 | kilo | Cache read | $0.0189 |
| 2026-11-01 | kilo | Cache read | $0.0075 |
| 2026-09-15 | openrouter | Cache read | $0.015 |
| 2026-09-19 | openrouter | Cache read | $0.004 |
| 2026-09-20 | openrouter | Cache read | $0.0026 |
| 2026-09-21 | openrouter | Cache read | $0.0036 |
| 2026-09-23 | openrouter | Cache read | $0.01 |
| 2026-09-24 | openrouter | Cache read | $0.06 |
| 2026-09-25 | openrouter | Cache read | $0.01 |
| 2026-09-26 | openrouter | Cache read | $0.001 |
| 2026-09-28 | openrouter | Cache read | $0.0268 |
| 2026-09-29 | openrouter | Cache read | $0.01 |
| 2026-09-30 | openrouter | Cache read | $0.02 |
| 2026-10-01 | openrouter | Cache read | $0.0029 |
| 2026-10-02 | openrouter | Cache read | $0.0173 |
| 2026-10-03 | openrouter | Cache read | $0.0021 |
| 2026-10-04 | openrouter | Cache read | $0.003 |
| 2026-10-07 | openrouter | Cache read | $0.021 |
| 2026-10-08 | openrouter | Cache read | $0.01 |
| 2026-10-09 | openrouter | Cache read | $0.005 |
| 2026-10-10 | openrouter | Cache read | $0.005 |
| 2026-10-12 | openrouter | Cache read | $0.0264 |
| 2026-10-13 | openrouter | Cache read | $0.0048 |
| 2026-10-14 | openrouter | Cache read | $0.0054 |
| 2026-10-16 | openrouter | Cache read | $0.006 |
| 2026-10-17 | openrouter | Cache read | $0.0016 |
| 2026-10-18 | openrouter | Cache read | $0.008 |
| 2026-10-20 | openrouter | Cache read | $0.01 |
| 2026-10-21 | openrouter | Cache read | $0.008 |
| 2026-10-24 | openrouter | Cache read | $0.015 |
| 2026-10-27 | openrouter | Cache read | $0.0046 |
| 2026-10-28 | openrouter | Cache read | $0.015 |
| 2026-10-30 | openrouter | Cache read | $0.0336 |
| 2026-10-31 | openrouter | Cache read | $0.0189 |
| 2026-11-01 | openrouter | Cache read | $0.0075 |
| 2026-09-15 | kilo | Input | $0.15 |
| 2026-09-19 | kilo | Input | $0.135 |
| 2026-09-20 | kilo | Input | $0.13 |
| 2026-09-21 | kilo | Input | $0.12 |
| 2026-09-23 | kilo | Input | $0.10 |
| 2026-09-24 | kilo | Input | $0.099 |
| 2026-09-25 | kilo | Input | $0.04 |
| 2026-09-26 | kilo | Input | $0.035 |
| 2026-09-28 | kilo | Input | $0.0297 |
| 2026-09-29 | kilo | Input | $0.02 |
| 2026-10-01 | kilo | Input | $0.0155 |
| 2026-10-02 | kilo | Input | $0.023 |
| 2026-10-03 | kilo | Input | $0.015 |
| 2026-10-04 | kilo | Input | $0.003 |
| 2026-10-07 | kilo | Input | $0.045 |
| 2026-10-08 | kilo | Input | $0.0184 |
| 2026-10-09 | kilo | Input | $0.016 |
| 2026-10-11 | kilo | Input | $0.0001 |
| 2026-10-12 | kilo | Input | $0.0264 |
| 2026-10-13 | kilo | Input | $0.0441 |
| 2026-10-14 | kilo | Input | $0.0369 |
| 2026-10-15 | kilo | Input | $0.0158 |
| 2026-10-16 | kilo | Input | $0.0144 |
| 2026-10-17 | kilo | Input | $0.032 |
| 2026-10-18 | kilo | Input | $0.08 |
| 2026-10-19 | kilo | Input | $0.05 |
| 2026-10-21 | kilo | Input | $0.07 |
| 2026-10-24 | kilo | Input | $0.02 |
| 2026-10-27 | kilo | Input | $0.0168 |
| 2026-10-28 | kilo | Input | $0.0151 |
| 2026-10-30 | kilo | Input | $0.0339 |
| 2026-10-31 | kilo | Input | $0.0205 |
| 2026-11-01 | kilo | Input | $0.0081 |
| 2026-09-15 | openrouter | Input | $0.15 |
| 2026-09-19 | openrouter | Input | $0.135 |
| 2026-09-20 | openrouter | Input | $0.13 |
| 2026-09-21 | openrouter | Input | $0.12 |
| 2026-09-23 | openrouter | Input | $0.10 |
| 2026-09-24 | openrouter | Input | $0.099 |
| 2026-09-25 | openrouter | Input | $0.04 |
| 2026-09-26 | openrouter | Input | $0.035 |
| 2026-09-28 | openrouter | Input | $0.0297 |
| 2026-09-29 | openrouter | Input | $0.02 |
| 2026-10-01 | openrouter | Input | $0.0155 |
| 2026-10-02 | openrouter | Input | $0.0173 |
| 2026-10-03 | openrouter | Input | $0.015 |
| 2026-10-04 | openrouter | Input | $0.003 |
| 2026-10-07 | openrouter | Input | $0.045 |
| 2026-10-08 | openrouter | Input | $0.0184 |
| 2026-10-09 | openrouter | Input | $0.016 |
| 2026-10-10 | openrouter | Input | $0.016 |
| 2026-10-11 | openrouter | Input | $0.0001 |
| 2026-10-12 | openrouter | Input | $0.0264 |
| 2026-10-13 | openrouter | Input | $0.0392 |
| 2026-10-14 | openrouter | Input | $0.0369 |
| 2026-10-15 | openrouter | Input | $0.0158 |
| 2026-10-16 | openrouter | Input | $0.0115 |
| 2026-10-17 | openrouter | Input | $0.032 |
| 2026-10-18 | openrouter | Input | $0.08 |
| 2026-10-19 | openrouter | Input | $0.05 |
| 2026-10-21 | openrouter | Input | $0.07 |
| 2026-10-24 | openrouter | Input | $0.02 |
| 2026-10-27 | openrouter | Input | $0.0168 |
| 2026-10-28 | openrouter | Input | $0.0151 |
| 2026-10-30 | openrouter | Input | $0.0339 |
| 2026-10-31 | openrouter | Input | $0.0205 |
| 2026-11-01 | openrouter | Input | $0.0081 |
| 2026-09-15 | kilo | Output | $0.60 |
| 2026-09-19 | kilo | Output | $0.54 |
| 2026-09-20 | kilo | Output | $0.52 |
| 2026-09-21 | kilo | Output | $0.48 |
| 2026-09-23 | kilo | Output | $0.50 |
| 2026-09-24 | kilo | Output | $0.60 |
| 2026-09-25 | kilo | Output | $0.49 |
| 2026-09-26 | kilo | Output | $0.29 |
| 2026-09-28 | kilo | Output | $0.60 |
| 2026-10-01 | kilo | Output | $0.396 |
| 2026-10-02 | kilo | Output | $0.60 |
| 2026-10-03 | kilo | Output | $0.677 |
| 2026-10-04 | kilo | Output | $2.40 |
| 2026-10-07 | kilo | Output | $0.30 |
| 2026-10-08 | kilo | Output | $1.20 |
| 2026-10-10 | kilo | Output | $0.60 |
| 2026-10-12 | kilo | Output | $1.188 |
| 2026-10-13 | kilo | Output | $0.891 |
| 2026-10-16 | kilo | Output | $0.684 |
| 2026-10-17 | kilo | Output | $0.144 |
| 2026-10-18 | kilo | Output | $0.50 |
| 2026-10-19 | kilo | Output | $0.60 |
| 2026-10-20 | kilo | Output | $0.024 |
| 2026-10-21 | kilo | Output | $0.50 |
| 2026-10-24 | kilo | Output | $1.00 |
| 2026-10-27 | kilo | Output | $0.01 |
| 2026-10-28 | kilo | Output | $1.80 |
| 2026-10-30 | kilo | Output | $1.14 |
| 2026-10-31 | kilo | Output | $0.274 |
| 2026-11-01 | kilo | Output | $0.0623 |
| 2026-09-15 | openrouter | Output | $0.60 |
| 2026-09-19 | openrouter | Output | $0.54 |
| 2026-09-20 | openrouter | Output | $0.52 |
| 2026-09-21 | openrouter | Output | $0.48 |
| 2026-09-23 | openrouter | Output | $0.50 |
| 2026-09-24 | openrouter | Output | $0.60 |
| 2026-09-25 | openrouter | Output | $0.49 |
| 2026-09-26 | openrouter | Output | $0.29 |
| 2026-09-28 | openrouter | Output | $0.60 |
| 2026-10-01 | openrouter | Output | $0.396 |
| 2026-10-02 | openrouter | Output | $0.75 |
| 2026-10-03 | openrouter | Output | $0.677 |
| 2026-10-04 | openrouter | Output | $2.40 |
| 2026-10-07 | openrouter | Output | $0.30 |
| 2026-10-08 | openrouter | Output | $1.20 |
| 2026-10-10 | openrouter | Output | $0.60 |
| 2026-10-12 | openrouter | Output | $1.188 |
| 2026-10-14 | openrouter | Output | $0.891 |
| 2026-10-16 | openrouter | Output | $0.60 |
| 2026-10-17 | openrouter | Output | $0.144 |
| 2026-10-18 | openrouter | Output | $0.50 |
| 2026-10-19 | openrouter | Output | $0.60 |
| 2026-10-20 | openrouter | Output | $0.024 |
| 2026-10-21 | openrouter | Output | $0.50 |
| 2026-10-24 | openrouter | Output | $1.00 |
| 2026-10-27 | openrouter | Output | $0.01 |
| 2026-10-28 | openrouter | Output | $1.80 |
| 2026-10-30 | openrouter | Output | $1.14 |
| 2026-10-31 | openrouter | Output | $0.274 |
| 2026-11-01 | openrouter | Output | $0.0623 |
| 2026-09-16 | fireworks-ai · accounts | Cache read | $0.007 |
| 2026-10-02 | fireworks-ai · accounts | Cache read | $0.006 |
| 2026-09-16 | fireworks-ai · accounts | Input | $0.22 |
| 2026-10-02 | fireworks-ai · accounts | Input | $0.30 |
| 2026-09-16 | fireworks-ai · accounts | Output | $0.66 |
| 2026-10-02 | fireworks-ai · accounts | Output | $1.20 |
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