DeepSeek API Launches V4-Pro and V4-Flash

On April 24, DeepSeek announced that the DeepSeek API has now launched V4-Pro and V4-Flash, supporting the OpenAI ChatCompletions interface and the Anthropic interface. When accessing the new models, the base_url remains unchanged, but the model parameter needs to be updated to deepseek-v4-pro or deepseek-v4-flash. Both V4-Pro and V4-Flash have a maximum context length of 1M and support both non-thinking and thinking modes, with the thinking mode allowing for the reasoning_effort parameter to set the intensity of thought (high/max). For complex agent scenarios, it is recommended to use the thinking mode and set the intensity to max. (Dongxin News Agency)

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