DeepSeek

DeepSeek: DeepSeek V4.1 Flash

deepseek/deepseek-v4.1-flash-20260910Hugging Face ↗

DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...

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Data source

DeepSeek: DeepSeek V4.1 Flash usage over time

OpenRouter share of tokens, by day.

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Tidelines — LLM usage and market share

DeepSeek: DeepSeek V4.1 Flash holds 3.54% today, up from 3.54% at the start of the visible window.

Data: OpenRouter as of 2026-09-10 · Source: tidelines.ai/models/deepseek-deepseek-v4-1-flash-20260910

Rank history

Tidelines — LLM usage and market share
Data: OpenRouter as of 2026-09-10 · Source: tidelines.ai/models/deepseek-deepseek-v4-1-flash-20260910

Adoption curve vs the pantheon

DeepSeek: DeepSeek V4.1 Flash's share plotted against days since first tracked, overlaid on other current leaders on the same axis. The question every new-model page asks: is this one going to make it?

Tidelines — LLM usage and market share
Data: OpenRouter as of 2026-09-10 · Source: tidelines.ai/models/deepseek-deepseek-v4-1-flash-20260910

Citable stat

As of 2026-09-10, DeepSeek: DeepSeek V4.1 Flash holds 3.5% of OpenRouter token share, up 0.00pp over 30 days. Source: Tidelines (OpenRouter).

Where to run it

DeepSeek: DeepSeek V4.1 Flash pricing by provider

Tidelines — LLM usage and market share

Per-provider pricing, context, and uptime via OpenRouter. Sorted by output price.

DeepSeek: DeepSeek V4.1 Flash is served by 9 tracked endpoints on OpenRouter. The cheapest output price is $0.60 per million tokens from DeepInfra, and the most expensive is $1.20 from DeepSeek. The largest context window offered is 1049k tokens. Prices are list rates and refresh daily.

ProviderInput $/MOutput $/MContextUptime
DeepInfra$0.20$0.601049k93.48%
Fireworks$0.22$0.661049k
SiliconFlow$0.30$1.201049k100.00%
Modal$0.30$1.201049k97.79%
GMICloud$0.30$1.201049k99.99%
Morph$0.30$1.201049k70.50%
Io Net$0.30$1.20262k94.99%
Novita$0.30$1.201049k100.00%
DeepSeek$0.30$1.201049k99.98%