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Model board / DeepSeek-V4-Flash

DeepSeek-V4-Flash

deprecated DeepSeek

Verified 2026-10-15 against the pages listed below. Prices are USD per 1M tokens, list rate — no committed-use, enterprise or volume discount.

Input
$0.3
Cached input
$0.006
Cache write
—
Output
$1.20
Context window
1,000,000
Max output
384,000
Weights
open
Caching
automatic

retired 2026-09-10. The deepseek-v4-flash name is still accepted, temporarily, but its requests are served by DeepSeek-V4.1-Flash and billed at V4.1-Flash's price — so this row now shows the rate that name bills at, down from V4-Flash's own $0.44/$0.014/$1.32 at peak

the name now bills V4.1-Flash's cache rate, $0.006 at peak

Licence: MIT — stated on the Hugging Face model card

Watch out

Retired on 2026-09-10. The name still answers, from DeepSeek-V4.1-Flash — a different model behind the same string. Move to deepseek-flash and re-run your evals

What we would use it for

Nothing new — retired, and listed here so the retirement is on the record

What this has cost, week by week

Output price at each refresh since 2026-07-30. A vendor change is the provider changing its price. Our correction means this board changed what it prints and the provider's charge did not move — the two are never merged, because publishing the second as the first would be a price rise that never happened.

07-30 $0.28→08-06 $0.28→08-14 $0.28→08-20 $0.66→08-27 $1.32→09-03 $1.32→09-10 $1.20→09-17 $1.20→09-24 $1.20→10-01 $1.20→10-08 $1.20→10-15 $1.20
vendor change2026-08-20 · in, cached_in, out — The peak/off-peak change announced 2026-08-13 went live on schedule at 2026-08-16 16:00 UTC. At this pass the board printed the off-peak rate — see the 2026-08-27 correction.
our correction2026-08-27 · in, cached_in, out — Re-based from the off-peak rate to the peak rate, which DeepSeek's own pages call the standard rate. DeepSeek charged the same before and after; the board's column header promises list rates and was printing a time-of-day discount.
vendor change2026-09-10 · in, cached_in, out — DeepSeek retired V4-Flash on 2026-09-10. The deepseek-v4-flash name is still accepted but is served by DeepSeek-V4.1-Flash and billed at its price, so the row moves from V4-Flash's own $0.44/$0.014/$1.32 at peak to the $0.30/$0.006/$1.20 the name now bills. The row is marked deprecated.

Where these numbers came from

No number on this page was written that was not read from one of those pages on 2026-10-15. If one is wrong, send us the source URL and it is corrected in the next weekly refresh, with a changelog line saying what was wrong — contact@naderu.com.

Discussed in Naderu Weekly

The rest of the board

This row sits alongside 69 others on the model board, refreshed every week. The same data as JSON, and the terms for using it, are at /board-data.