DeepSeek V4.1 Flash 1017
NEWDeepSeek · Open weights · Released Oct 17, 2026 · deepseek/deepseek-v4.1-flash-1017
Best $0.05 in / $0.294 out via Relace
1.05M contextVisionToolsReasoningStructured outputPrompt cachingOpen weights
Available from 11 providersUSD / MTOK · PRICES 22 MINUTES AGO · SPEED 7 MINUTES AGO
EST. MONTHLY COSTclick a row for detail · click headers to sort
| PROVIDER | INPUT | OUTPUT | CACHE | CONTEXT | QUANT | TTFT | TPS | UPTIME |
|---|---|---|---|---|---|---|---|---|
| $0.05 | $0.60 | $0.008 | 1.05M | — | 0.69s | 131 tok/s | 100.0% | |
| $0.078 | $0.235 | $0.002 | 1.05M | fp8 | — | — | 94.6% | |
| $0.08 | $0.50 | $0.008 | 262K | fp8 | — | — | 100.0% | |
| $0.098 | $0.294 | $0.003 | 1.05M | fp8 | — | — | 98.4% | |
| $0.10 | $0.60 | $0.003 | 1.05M | — | — | — | 98.3% | |
| $0.147 | $0.441 | $0.004 | 1.05M | fp8 | — | — | 97.9% | |
| $0.15 | $0.60 | $0.003 | 1.05M | — | — | — | 100.0% | |
| $0.30 | $1.20 | $0.007 | 1.05M | — | — | — | 100.0% | |
| $0.30 | $1.20 | $0.006 | 1.05M | — | — | — | 100.0% | |
| $0.30 | $1.20 | $0.006 | 1.05M | fp8 | — | — | 100.0% | |
| $0.30 | $1.20 | $0.006 | 1.05M | — | — | — | 100.0% |
TTFT/TPS: median (P50) over trailing 504h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · methodology v1.1 · measured 7 minutes ago
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Pricing variants · USD / MTok in / out
STANDARD
$0.05 / $0.60
per MTok in / out
CACHE READ $0.008
Recent changesRSS ↗
Oct 18, 2026model added
About
DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name. V4.1 Flash is a sparse mixture-of-experts model...
Specifications
Context window1,048,576
Max output393,216
Modalities intext, image
Modalities outtext
LicenseOpen weights
ReleasedOct 17, 2026
TokenizerDeepSeek
WeightsHugging Face ↗
Open weights
safetensors
Related
Embed badge
[](https://modelindex.ai/models/deepseek/deepseek-v4.1-flash-1017)Sources
OpenRouter API22 minutes ago
AGGREGATORHugging Face22 minutes ago
COMMUNITYModelIndex benchmarks7 minutes ago
MEASUREDVerified 22 minutes ago · list prices, not negotiated rates.