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DeepSeek V4 Flash vs GPT-4.1 Nano

Sample workload: short support reply (~512 output tokens). Open the calculator for your own prompt.

FieldDeepSeek V4 FlashGPT-4.1 Nano
ProviderDeepSeekOpenAI
AccuracyApproxExact
Input / 1M$0.140/1M$0.100/1M
Output / 1M$0.280/1M$0.400/1M
Sample input tokens2516
Sample request cost$0.000147$0.000206
PagesModel pageModel page

Try your own prompt

Sample costs above use a fixed support-chat prompt. For your text, open the main calculator with either model preselected.

DeepSeek V4 Flash in calculator · GPT-4.1 Nano in calculator · Count tokens (DeepSeek V4 Flash) · Count tokens (GPT-4.1 Nano) · All comparisons

How LLM pricing works · Exact vs Approx · DeepSeek V4 Flash page · GPT-4.1 Nano page