DeepSeek: DeepSeek-V4-Pro API
DeepSeek-V4-Pro is a flagship open-source Mixture-of-Experts model designed for frontier reasoning, advanced coding, and long-context intelligence at scale (up to 1M tokens). It introduces a hybrid attention architecture that dramatically improves long-context efficiency while reducing KV and compute overhead, along with stability and training enhancements for deep multi-step reasoning. It represents a top-tier open-source system for complex agentic workflows, high-precision reasoning, and demanding production workloads.
- Context window: 1,000,000 tokens
- Max output: 384,000 tokens
- Input: text
- Output: text
- Reasoning: Supported
- Tool calling: Supported
- File input: Supported
Frequently Asked Questions
What is the context window of DeepSeek-V4-Pro?
DeepSeek-V4-Pro supports a context window of up to 1,000,000 tokens.
Does DeepSeek-V4-Pro support function calling?
Yes. DeepSeek-V4-Pro supports tool / function calling.
Does DeepSeek-V4-Pro support reasoning?
Yes. DeepSeek-V4-Pro is a reasoning-capable model.