DeepSeek V4.1 Flash
NEWDeepSeek · Open weights · Released Sep 10, 2026 · deepseek/deepseek-v4.1-flash
Best $0.15 in / $0.60 out via DeepSeek
1.05M contextVisionToolsReasoningStructured outputPrompt cachingOpen weights
Available from 4 providersUSD / MTOK · PRICES 14 MINUTES AGO · SPEED 4 MINUTES AGO
EST. MONTHLY COSTclick a row for detail · click headers to sort
| PROVIDER | INPUT | OUTPUT | CACHE | CONTEXT | QUANT | TTFT | TPS | UPTIME |
|---|---|---|---|---|---|---|---|---|
 DeepSeek1ST PARTY | $0.15 | $0.60 | $0.003 | 1.05M | — | — | — | — |
 DeepInfra | $0.30 | $1.20 | $0.006 | 1.05M | fp8 | — | — | — |
 Novita | $0.30 | $1.20 | $0.006 | 1.05M | — | 1.1s | 200 tok/s | — |
 Venice | $0.375 | $1.50 | $0.007 | 1M | fp8 | — | — | — |
TTFT/TPS: median (P50) over trailing 504h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · methodology v1.1 · measured 4 minutes ago
Pricing variants · USD / MTok in / out
STANDARD
$0.15 / $0.60
per MTok in / out
CACHE READ $0.003
Recent changesRSS ↗
Sep 10, 2026model added
About
DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the cost-efficient tier of the V4.1 family. DeepSeek reports that it exceeds V4 Pro on performance, speed, and task...
Specifications
Context window1,048,576
Max output384,000
Modalities intext, image
Modalities outtext
LicenseOpen weights
ReleasedSep 10, 2026
TokenizerDeepSeek
WeightsHugging Face ↗
Related
Embed badge
[](https://modelindex.ai/models/deepseek/deepseek-v4.1-flash)Sources
OpenRouter API14 minutes ago
AGGREGATORHugging Face14 minutes ago
COMMUNITYModelIndex benchmarks4 minutes ago
MEASUREDVerified 14 minutes ago · list prices, not negotiated rates.