DeepSeek V4.1 Flash

DeepSeek · Open weights · 1M context · released Sep 10, 2026 · checked 6h ago

Ways to buy 26

Way to buy	Input	Output	In / out per 1M	Cached	Vs list
Morph Default region, cheapest · cached $0.0015	$0.075	$0.3	$0.075 / $0.3-50% vs list	$0.0015	-50% vs list
DekaLLM Default region · cached $0.01	$0.04	$0.49	$0.04 / $0.49-42% vs list	$0.01	-42% vs list
OpenInference fp4 · cached $0.01	$0.1	$0.5	$0.1 / $0.5-24% vs list	$0.01	-24% vs list
Relace Default region · cached $0.01	$0.1	$0.5	$0.1 / $0.5-24% vs list	$0.01	-24% vs list
DeepInfra fp8 · cached $0.0042	$0.14	$0.42	$0.14 / $0.42-20% vs list	$0.0042	-20% vs list
Wafer Default region · cached $0.06	$0.099	$0.6	$0.099 / $0.6-15% vs list	$0.06	-15% vs list
DeepSeek API The lab's own API · cached $0.003	$0.15	$0.6	$0.15 / $0.6List price	$0.003	List price
Sail Research fp4 · cached $0.01	$0.13	$0.75	$0.13 / $0.75+9% vs list	$0.01	+9% vs list
StreamLake fp8 · cached $0.0033	$0.165	$0.66	$0.165 / $0.66+10% vs list	$0.0033	+10% vs list
CoreWeave fp8 · cached $0.03	$0.2	$0.65	$0.2 / $0.65+19% vs list	$0.03	+19% vs list
Fireworks AI Default region · cached $0.007	$0.22	$0.66	$0.22 / $0.66+26% vs list	$0.007	+26% vs list
GMICloud fp8 · cached $0.0045	$0.225	$0.9	$0.225 / $0.9+50% vs list	$0.0045	+50% vs list
Krea fp8 · cached $0.006	$0.225	$0.9	$0.225 / $0.9+50% vs list	$0.006	+50% vs list
Phala Default region · cached $0.0055	$0.276	$1.1	$0.276 / $1.1+84% vs list	$0.0055	+84% vs list
Novita AI fp8 · cached $0.0057	$0.285	$1.14	$0.285 / $1.14+90% vs list	$0.0057	+90% vs list
AtlasCloud fp8 · cached $0.03	$0.3	$1.2	$0.3 / $1.2+100% vs list	$0.03	+100% vs list
Baseten fp8 · cached $0.03	$0.3	$1.2	$0.3 / $1.2+100% vs list	$0.03	+100% vs list
DigitalOcean Default region · cached $0.006	$0.3	$1.2	$0.3 / $1.2+100% vs list	$0.006	+100% vs list
Makora fp8 · cached $0.006	$0.3	$1.2	$0.3 / $1.2+100% vs list	$0.006	+100% vs list
Modal Default region · cached $0.03	$0.3	$1.2	$0.3 / $1.2+100% vs list	$0.03	+100% vs list
NextBit fp8 · cached $0.006	$0.3	$1.2	$0.3 / $1.2+100% vs list	$0.006	+100% vs list
Parasail fp8 · cached $0.006	$0.3	$1.2	$0.3 / $1.2+100% vs list	$0.006	+100% vs list
Qwen (Alibaba) Default region · cached $0.03	$0.3	$1.2	$0.3 / $1.2+100% vs list	$0.03	+100% vs list
SiliconFlow fp8 · cached $0.006	$0.3	$1.2	$0.3 / $1.2+100% vs list	$0.006	+100% vs list
Together AI Default region · cached $0.006	$0.3	$1.2	$0.3 / $1.2+100% vs list	$0.006	+100% vs list
Venice fp8 · cached $0.0075	$0.375	$1.5	$0.375 / $1.5+150% vs list	$0.0075	+150% vs list

USD per 1M tokens; batch $0.112 in, $0.336 out on the lab's API. Regions are separate routes.

Through a gateway

Your own numbers

100M input and 20M output tokens a month: $27.00 direct.

No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.

Related models

			In / out per 1M			Cheapest route
DeepSeek V4 Flash Vision Exp DeepSeek · 1M	$0.216	$0.647	$0.216 / $0.647	$0.323	1M	on DeepInfra (fp8)	·
DeepSeek V4 Pro 0813 DeepSeek · 1MCheapest: $0.525 on Baidu (fp8)	$0.66	$1.98	$0.66 / $1.98	$0.99	1M	$0.525 on Baidu (fp8)	·
DeepSeek V4 Flash 0731 DeepSeek · 1.31M	$0.053	$0.158	$0.053 / $0.158	$0.079	1.31M	on StreamLake (fp8)	·
DeepSeek V4 Flash 0423 DeepSeek · 1M	$0.049	$0.098	$0.049 / $0.098	$0.061	1M	on Baidu (fp8)	·
Gemini 3.1 Flash Lite Google · 1MCheapest: $0.281 on Google Vertex AI (global-flex)	$0.25	$1.5	$0.25 / $1.5	$0.563	1M	$0.281 on Google Vertex AI (global-flex)	·
Gemini 3.1 Flash Lite Preview Google · 1MCheapest: $0.281 on Google Gemini API (flex)	$0.25	$1.5	$0.25 / $1.5	$0.563	1M	$0.281 on Google Gemini API (flex)	·
GPT-6 Luna OpenAI · 1.05MCheapest: $0.1 on OpenAI (flex)	$0.1	$0.5	$0.1 / $0.5	$0.2	1.05M	$0.1 on OpenAI (flex)	·
GPT-6 Luna Pro OpenAI · 1.05MCheapest: $0.1 on OpenAI (flex)	$0.1	$0.5	$0.1 / $0.5	$0.2	1.05M	$0.1 on OpenAI (flex)	·

About DeepSeek V4.1 Flash

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.

Takes text, image in and returns text. First listed Sep 23, 2026. Up to 393K output tokens. Blended price $0.262 per 1M tokens at 3 input to 1 output. Overall score 3 on leadersboard.fru.dev (rank 33). Model id deepseek-v4-1-flash.

Price history

List price since Sep 23, 2026, from daily reads of the OpenRouter catalog.

Seen	Model	Old price	New price	Change
Sep 25, 2026	DeepSeek V4.1 FlashInput $0.15 to $0.3, Output $0.6 to $1.2, Cached input $0.003 to $0.006	Input $0.15Output $0.6Cached input $0.003	Input $0.3Output $1.2Cached input $0.006	+100%
Sep 25, 2026	DeepSeek V4.1 FlashCached input $0.006 to $0.06 on waferon wafer	Cached input $0.006	Cached input $0.06	+900%
Sep 25, 2026	DeepSeek V4.1 FlashInput $0.199 to $0.165, Output $0.794 to $0.66, Cached input $0.004 to $0.0033 on streamlake/fp8on streamlake/fp8	Input $0.199Output $0.794Cached input $0.004	Input $0.165Output $0.66Cached input $0.0033	-17%
Sep 25, 2026	DeepSeek V4.1 FlashInput $0.05 to $0.1, Output $0.25 to $0.5, Cached input $0.005 to $0.01 on relaceon relace	Input $0.05Output $0.25Cached input $0.005	Input $0.1Output $0.5Cached input $0.01	+100%
Sep 25, 2026	DeepSeek V4.1 FlashInput $0.072 to $0.075, Output $0.288 to $0.3, Cached input $0.0014 to $0.0015 on morphon morph	Input $0.072Output $0.288Cached input $0.0014	Input $0.075Output $0.3Cached input $0.0015	+4%
Sep 25, 2026	DeepSeek V4.1 FlashInput $0.1 to $0.04, Output $1 to $0.49 on dekallmon dekallm	Input $0.1Output $1	Input $0.04Output $0.49	-60%
Sep 24, 2026	DeepSeek V4.1 FlashInput $0.15 to $0.3, Output $0.6 to $1.2, Cached input $0.003 to $0.006	Input $0.15Output $0.6Cached input $0.003	Input $0.3Output $1.2Cached input $0.006	+100%
Sep 24, 2026	DeepSeek V4.1 FlashInput $0.15 to $0.3, Output $0.6 to $1.2, Cached input $0.015 to $0.03 on qwenon qwen	Input $0.15Output $0.6Cached input $0.015	Input $0.3Output $1.2Cached input $0.03	+100%
Sep 24, 2026	DeepSeek V4.1 FlashInput $0.285 to $0.225, Output $1.14 to $0.9, Cached input $0.0057 to $0.0045 on gmicloud/fp8on gmicloud/fp8	Input $0.285Output $1.14Cached input $0.0057	Input $0.225Output $0.9Cached input $0.0045	-21%

OpenRouter listing DeepSeek pricing page Benchmarks

Across fru.devCompany profile

Questions

How much does DeepSeek V4.1 Flash cost?

$0.15 per million input tokens and $0.6 per million output tokens, with cached input at $0.003, or $0.112 and $0.336 through the Batch API.

What is the context window of DeepSeek V4.1 Flash?

1M tokens, with up to 393K tokens of output.

Where is DeepSeek V4.1 Flash cheapest?

Of 26 routes tracked, Morph is cheapest at $0.075 input and $0.3 output per million tokens.

Has DeepSeek V4.1 Flash's price changed?

Yes. The output price went from $0.6 to $1.2, first seen Sep 25, 2026.

Sources: OpenRouter's public model catalog and each provider's own pricing page, read every morning at 05:00 UTC; gateway fees re-read every Monday. List prices: your contract may differ. Logos via logo.dev; trademarks belong to their owners.