DeepSeekdeepseek-v4.1-flash-10172026 Frontier

DeepSeek: DeepSeek V4.1 Flash 1017 API Pricing

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...

Base Input Price$0.30/ 1M tokens

Base Output Price$1.20/ 1M tokens

Prompt Cache Read$0.006-98% discount

Batch API Rate-83.33%24h async offload

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Compare rates and latency across direct APIs, OpenRouter, and hyperscale cloud providers

Live verified rates

Provider Name	Input / 1M	Output / 1M	Prompt Caching	Access Endpoint
DeepSeek Direct	$0.30	$1.20	Supported	Connect
OpenRouter	$0.30	$1.20	Supported	Connect

Head-to-Head Comparisons for DeepSeek: DeepSeek V4.1 Flash 1017

DeepSeek: DeepSeek V4.1 Flash 1017 vs OpenAI: GPT-6.1 Sol$0.3/M vs $2/M

DeepSeek: DeepSeek V4.1 Flash 1017 vs GPT-4o (Omni)$0.3/M vs $2.5/M

DeepSeek: DeepSeek V4.1 Flash 1017 vs Claude 3.5 Sonnet$0.3/M vs $3/M

DeepSeek: DeepSeek V4.1 Flash 1017 vs DeepSeek-V3 (deepseek-chat)$0.3/M vs $0.27/M