Head to head

DeepSeek V4 Flash vs GPT-4.1 nano

On a blended workload of one million input tokens and three million output tokens, DeepSeek V4 Flash is 1.3× cheaper than GPT-4.1 nano.

DeepSeek V4 FlashGPT-4.1 nano
Provider DeepSeek OpenAI
Input / MTok $0.14 $0.1
Output / MTok $0.28 $0.4
Cache read / MTok $0.0028 $0.025
Context window 1,000,000 1,047,576
Blended 1M in + 3M out $0.98 $1.30
Status ga ga

DeepSeek V4 Flash detail   GPT-4.1 nano detail