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by fy20 54 days ago
> DeepSeek-V4-Flash is the cheapest of the small models, beating even OpenAI’s GPT-5.4 Nano.

GPT-5 Nano should really be in the list too. It is $0.05 input and $0.40 output - and half that if you use the Flex tier.

Last week I upgraded an old batch process from GPT-4.1 Nano, and GPT-5 Nano worked just as well as GPT-5.4 Nano but at a much lower cost.

As always OpenAIs naming is really bad, GPT-5.4 Nano is a different model, its not a straight upgrade from GPT-5 Nano.