Is DeepSeek-V4-Flash or DeepSeek-R1 cheaper?

DeepSeek-V4-Flash is cheaper on output tokens ($0.51 vs $5.40 per 1M).

Which has the larger context window, DeepSeek-V4-Flash or DeepSeek-R1?

DeepSeek-V4-Flash has the larger context window (1M tokens).

DeepSeek-V4-Flash vs DeepSeek-R1

DeepSeek-V4-Flash is cheaper on output tokens, while DeepSeek-V4-Flash offers a larger context window. Choose DeepSeek-V4-Flash or DeepSeek-R1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	DeepSeek-V4-Flash	DeepSeek-R1
Provider	Azure	Azure
Input / 1M tokens	$0.19	$1.35
Output / 1M tokens	$0.51	$5.40
Context window	1M	164K
Parameters	284B	671B
Open weights	Yes	Yes
Released	Apr 2026	Jan 2025

DeepSeek-V4-Flash details →DeepSeek-R1 details →

FAQ

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