DeepSeek V4 Price: Pro vs Flash API Costs

DeepSeek V4 pricing is split across two API models: deepseek-v4-pro and deepseek-v4-flash . The official pricing page lists separate rates for cache-hit input, cache-miss input, and output tokens. That matters because repeated system prompts, reused context, and stable templates can make cache-hit pricing materially cheaper. Think of Flash and Pro as two pricing lanes: Flash handles volume, while Pro is reserved for prompts where failure cost is higher. Official API prices Model Cache-hit input