DeepSeek V4 Flash is the default DeepSeek model in Syntherion.
DeepSeek V4 Flash currently has the lowest listed input price at $0.14/1M tokens.
DeepSeek V4 Pro currently has the largest listed context window at 1M tokens.
All DeepSeek models in Syntherion support tool use and function calling, allowing agents to invoke external APIs, query databases, and run custom actions.