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DeepSeek V4.1 Flash vs DeepSeek V4.1 Flash Fast

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

SpecDeepSeek V4.1 FlashDeepSeek V4.1 Flash Fast
ProviderBasetenBaseten
Input / 1M tokens$0.30$0.60
Output / 1M tokens$1.20$2.40
Context window1M1M
Parameters——
Open weightsYesYes
ReleasedSep 2026Sep 2026

FAQ

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