DeepSeek
DeepSeek V4 Pro Preview Release: Million-Token Context and Enhanced Agent Capabilities
DeepSeek V4 Pro is designed for complex reasoning, mathematics, coding, and agent tasks, with the official API offering a 1M context window and both thinking and non-thinking modes.

DeepSeek V4 Pro and V4 Flash are now available via the official API. The Pro version focuses on enhancing capabilities in mathematics, STEM, coding, and agents.
The official documentation requires setting the model parameter to deepseek-v4-pro; pricing, rate limits, and migration timelines for older models should be verified against the latest DeepSeek documentation.
KEY HIGHLIGHTS
Key highlights
1M token context window
Supports thinking and non-thinking modes
OpenAI and Anthropic compatible interfaces