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DeepSeek V4.1 Flash vs GPT-5.4

DeepSeek V4.1 Flash is cheaper on output tokens. Choose DeepSeek V4.1 Flash or GPT-5.4 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecDeepSeek V4.1 FlashGPT-5.4
ProviderDevPass (LLM Gateway)DevPass (LLM Gateway)
Input / 1M tokens$0.14$2.50
Output / 1M tokens$0.54$15.00
Context window1.1M1.1M
Parameters——
Open weightsYesNo
ReleasedSep 2026Mar 2026

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.