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DeepSeek V4 Pro vs DeepSeek V4 Flash 0423: side-by-side summary

DeepSeek V4 Pro and DeepSeek V4 Flash 0423 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

DeepSeek V4 Pro, from DeepSeek, has a 1,048,576-token context window and is priced at $0.3969/M tokens input, $0.7938/M tokens output on OpenRouter.

DeepSeek V4 Flash 0423, from DeepSeek, has a 1,048,576-token context window and is priced at $0.06426/M tokens input, $0.1285/M tokens output on OpenRouter.

Context window
  • DeepSeek V4 Pro: 1,048,576 tokens
  • DeepSeek V4 Flash 0423: 1,048,576 tokens
Price
  • DeepSeek V4 Pro: $0.3969/M tokens input, $0.7938/M tokens output
  • DeepSeek V4 Flash 0423: $0.06426/M tokens input, $0.1285/M tokens output
Provided by
  • DeepSeek V4 Pro: DeepSeek
  • DeepSeek V4 Flash 0423: DeepSeek
  • DeepSeek V4 Pro model details, providers and pricing
  • DeepSeek V4 Flash 0423 model details, providers and pricing