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GPT-4.1 Nano vs DeepSeek V4 Flash

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

FieldGPT-4.1 NanoDeepSeek V4 Flash
ProviderOpenAIDeepSeek
AccuracyExactApprox
Input / 1M$0.100/1M$0.140/1M
Output / 1M$0.400/1M$0.280/1M
Sample input tokens1625
Sample request cost$0.000206$0.000147
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.

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

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