Model comparison

Claude Haiku 4.5 vs DeepSeek-V4.1-Flash

Compare Claude Haiku 4.5 (Anthropic) and DeepSeek-V4.1-Flash (DeepSeek) by price, context, capabilities, and latency.

Which should you pick?

  • Price: DeepSeek-V4.1-Flash is cheaper ($0.3 / 1M tokens input / $1.18 / 1M tokens output) vs Claude Haiku 4.5 ($1 / 1M tokens input / $5 / 1M tokens output).
  • Context: DeepSeek-V4.1-Flash has the larger context window (1M tokens).
  • Claude Haiku 4.5 adds: Tool calling, JSON mode, Vision, Long context.

Side by side

Claude Haiku 4.5 vs DeepSeek-V4.1-Flash — full comparison

Compare price, provider, context, capabilities, latency, and source basis.

ModelProviderInputOutputContextCapabilitiesBest forLatencyStatusSource
Claude Haiku 4.5anthropic/claude-haiku-4.5Anthropic$1 / 1M tokens$5 / 1M tokens200k
StreamingTool callingJSON modeVision
image understanding, multimodal chat1327-2183msCatalogPlatform curated
DeepSeek-V4.1-Flashdeepseek/deepseek-v4-1-flashDeepSeek$0.3 / 1M tokens$1.18 / 1M tokens1M
Streaming
Chinese Q&A, general chat4553-6187msCatalogPlatform curated

FAQ

Claude Haiku 4.5 vs DeepSeek-V4.1-Flash FAQ

Is Claude Haiku 4.5 or DeepSeek-V4.1-Flash cheaper?

DeepSeek-V4.1-Flash is cheaper ($0.3 / 1M tokens input / $1.18 / 1M tokens output) vs Claude Haiku 4.5 ($1 / 1M tokens input / $5 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.

Which has a larger context window, Claude Haiku 4.5 or DeepSeek-V4.1-Flash?

DeepSeek-V4.1-Flash is larger (1M tokens) vs 200k tokens.