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DeepSeek V4.1 Flash vs Claude Haiku 4.5

Side-by-side specs, pricing and capabilities. Both models run on Clade under one subscription, so you can switch between them in the same conversation.

DeepSeek V4.1 Flash comes from DeepSeek and Claude Haiku 4.5 from Anthropic. The practical difference for most people is context, price, and which input types each one accepts.

DeepSeek V4.1 Flash holds more in a single conversation — 1M tokens against 200K — which matters for long documents and large codebases.

DeepSeek V4.1 Flash is the cheaper of the two on input tokens at $0.30 / 1M tokens.

SpecificationDeepSeek V4.1 FlashClaude Haiku 4.5
ProviderDeepSeekAnthropic
Model IDdeepseek-flashclaude-haiku-4-5-20251001
Context window1M200K
Max output384K64K
Input price$0.30 / 1M tokens$1.00 / 1M tokens
Output price$1.20 / 1M tokens$5.00 / 1M tokens
Knowledge cutoff——
Input typestext, imagetext, image, file
Output typestexttext
PlanAll paid plansAll paid plans

Which should you use?

Pick DeepSeek V4.1 Flash when…

  • You need the larger context window — 1M against 200K.
  • Cost matters: input runs at $0.30 / 1M tokens versus $1.00 / 1M tokens.
  • You want longer single responses — up to 384K output tokens.
DeepSeek V4.1 Flash details

Pick Claude Haiku 4.5 when…

  • You need file input, which the other model does not accept.
Claude Haiku 4.5 details

Related comparisons

Try both on Clade

You do not have to choose. One Clade subscription gives you DeepSeek V4.1 Flash, Claude Haiku 4.5, and every other model on the platform.