DeepSeek V4-Flash
Last verified September 10, 2026 · DeepSeek pricing ↗$0.220/1M input · $0.660/1M output · 1.0M context · DeepSeek
Retired
Not generally available
DeepSeek has shut DeepSeek V4-Flash down. You cannot buy it at the rate below. The price is kept so past spend and old estimates still reconcile, and it is excluded from the calculator’s default model list and from every ranking.
DeepSeek’s own page ↗Count Tokens
—
Tokens
—
Input Cost
—
Output Cost
Estimate Monthly Cost
Monthly Cost Estimator
Quick:
<$0.0001/mo
Pick a preset above or enter custom usage
Alternatives to DeepSeek V4-Flash
Pricing Details
DeepSeekRETIRED 2026-09-10. DeepSeek's changelog: 'The previous-generation models V4 Flash and V4 Flash Vision Exp have been retired; for compatibility, the model names deepseek-v4-flash and deepseek-v4-flash-vision-exp are temporarily routed to V4.1 Flash.' Calls to this name now reach DeepSeek V4.1 Flash (model name deepseek-flash) and bill at its card: $0.15 / $0.003 / $0.60 off-peak, $0.30 / $0.006 / $1.20 peak. The card below is the last one this model was sold at, kept for historical comparison; the Artificial Analysis scores attached to this entry were measured on the 0731 build and do not describe the model now answering under this name. See deepseek-flash for the live entry. Peak hours became weekdays-only between 2026-08-22 and 2026-08-24 without a changelog entry, so the '17 of 24 hours' and blended figures below overstate a flat workload by about 7%. PRICE CHANGE 2026-08-16: DeepSeek's warned-of "significant increase" landed as a peak/off-peak split effective 16:00 UTC on 2026-08-16. Peak is 01:00-04:00 and 06:00-10:00 UTC (7 of 24 hours); off-peak is exactly half of peak on every line. New card: off-peak $0.22 input / $0.66 output / $0.007 cache hit, peak $0.44 / $1.32 / $0.014. The stored figure is the OFF-PEAK rate, which applies 17 of 24 hours; an evenly spread workload pays a blended $0.2842 input and $0.8525 output. Multipliers off the old $0.14/$0.28/$0.0028 card are not uniform: input 1.57x off-peak, output 2.36x, cache hits 2.50x, and 3.14x/4.71x/5.00x at peak. Cache discount narrows from 98% to 96.8% of input. Output:input ratio moved from 2:1 to exactly 3:1. Weights are MIT and ungated, and third-party hosts undercut DeepSeek's own card: OpenRouter's cheapest deepseek-v4-flash route read $0.0615/$0.1229 on 2026-08-16, about a quarter of the new off-peak rate. 304.18B total params per the Hugging Face safetensors index (Artificial Analysis and most coverage say 284B; 13B active is widely repeated but DeepSeek states neither figure itself). Cache hit: $0.0028/1M, a 98% discount against the 90% most of the industry offers. Three reasoning modes. Replaces deepseek-chat and deepseek-reasoner aliases (deprecated 2026-07-24). Silently upgraded to the 0731 build on 2026-07-31 under the same model ID and the same rate card: architecture and size unchanged, "only re-post-trained" per DeepSeek's changelog, plus native Responses API support and Codex adaptation. Weights are MIT and ungated. Artificial Analysis Intelligence Index 50 (49.93), up 10 points from the April build, ranked #3 among 101 open-weights models (closed models are ranked against a larger field); $72.02 and ~206M output tokens to run the index, GPQA Diamond 91%, Terminal-Bench 2.1 79% (DeepSeek self-reports 82.7), AA-LCR 66%, GDPval-AA v2 1559. AA-Omniscience -16 with an 84% hallucination rate, which AA defines as incorrect answers as a share of responses that were not correct, so it does NOT mean 84% of all answers are wrong. Very verbose: 36th of 101 open-weights models on output volume against a 100M-token median for that cohort. Concurrency limit 2,500 against V4-Pro's 500. Peak-hour pricing was first announced 2026-06-30 and published on the pricing page through early August (2x during 09:00-12:00 and 14:00-18:00 Beijing time), then removed from both language versions around 2026-08-08 without ever being charged, and replaced by a notice of a coming "significant" increase with no number or date. It returned on 2026-08-16 with the same two windows restated in UTC and new rates attached, which is the change recorded at the top of this note. The old 16:30-00:30 UTC off-peak discount belonged to V3/R1 and no longer exists.
Input / 1M tokens
$0.22
Output / 1M tokens
$0.66
Context Window
1.0M
Max Output
384K
Price History
| Date | Input /1M | Output /1M | Change |
|---|---|---|---|
| 2026-08-21 | $0.140 → $0.220 | $0.280 → $0.660 | ↑ +57% |
Frequently Asked Questions
Common questions about DeepSeek V4-Flash pricing and usage
Read More About DeepSeek V4-Flash
DeepSeek said the increase would be significant. It is 1.80x off-peak and 3.59x at peak, and only one of those two numbers fits inside the room we measured eight days ago.
August 16, 2026 · 10 min read
DeepSeek kept the price at $0.14 and added ten index points. Eleven models now tie on intelligence, and the bill for proving it runs from $72 to $1,061.
August 2, 2026 · 10 min read
DeepSeek switched off deepseek-chat and deepseek-reasoner yesterday. The rename is one line; the reasoning default it flips on is what moves your bill.
July 25, 2026 · 8 min read