# DeepSeek V4 Pro: AI model fact sheet

- **Provider:** deepseek
- **Released:** 2026-04-24
- **Context window:** 1,048,576 tokens
- **API pricing:** $1.74 / 1M input, $3.48 / 1M output
- **OpenRouter ID:** deepseek/deepseek-v4-pro
- **Capabilities:** conversation, reasoning, code-generation, analysis, agentic-tool-use

DeepSeek V4 Pro is a large-scale Mixture-of-Experts model with 1.6T total parameters and 49B activated parameters, supporting a 1M-token context window. Designed for advanced reasoning, coding, and long-horizon agent workflows, with strong performance across knowledge, math, and software engineering benchmarks. Built on the same architecture as V4 Flash, it introduces a hybrid attention system for efficient long-context processing and supports multiple reasoning modes.

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/deepseek-v4-pro