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DeepSeek: DeepSeek V4 Pro 0423

deepseek/deepseek-v4-pro

Model weights
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DeepSeek V4 Pro is a large-scale Mixture-of-Experts model from DeepSeek with 1.6T total parameters and 49B activated parameters, supporting a 1M-token context window. It is 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 DeepSeek V4 Flash, it introduces a hybrid attention system for efficient long-context processing. Reasoning efforts high and xhigh are supported; xhigh maps to max reasoning. It is well suited for complex workloads such as full-codebase analysis, multi-step automation, and large-scale information synthesis, where both capability and efficiency are critical

Modalities

In / Out Price

60% off

$0.6943 / $1.389per 1M

Context

1M

Released

Apr 24, 2026

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About DeepSeek: DeepSeek V4 Pro 0423

OpenRouter makes DeepSeek: DeepSeek V4 Pro 0423 available through a unified, OpenAI-compatible API using the model ID deepseek/deepseek-v4-pro. Requests can be routed across 18 providers, including StreamLake, GMICloud, DigitalOcean, Ionstream, CoreWeave, DeepInfra, DeepSeek, Alibaba Cloud Int. and 10 more, with automatic failover when an endpoint is unavailable.

DeepSeek: DeepSeek V4 Pro 0423 accepts text and returns text. It has a 1,048,576-token context window and a maximum output of 384,000 tokens.

On OpenRouter, DeepSeek: DeepSeek V4 Pro 0423 costs $0.6943/M input tokens and $1.389/M output tokens, with separate rates for Cache Read at $0.05786/M tokens. Effective pricing can be lower when prompt caching applies. It was released on April 24, 2026.

More models from DeepSeek

  • DeepSeek V4 Pro 0813
  • DeepSeek V4 Flash 0731
  • DeepSeek V4 Flash 0423

Frequently asked questions

DeepSeek V4 Pro is a large-scale Mixture-of-Experts model from DeepSeek with 1.6T total parameters and 49B activated parameters, supporting a 1M-token context window. It is designed for advanced reasoning, coding, and long-horizon agent workflows, with strong performance across knowledge, math, and software engineering benchmarks.

DeepSeek V4 Pro 0423 costs $0.6943/M input tokens and $1.389/M output tokens, with separate rates for Cache Read at $0.05786/M tokens.

DeepSeek V4 Pro 0423 has a 1,048,576 token context window. It supports up to 384,000 completion tokens.

Yes. DeepSeek V4 Pro 0423 accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.

DeepSeek V4 Pro 0423 is served by 18 providers on OpenRouter: StreamLake, GMICloud, DigitalOcean, Ionstream, CoreWeave, DeepInfra, DeepSeek, Alibaba Cloud Int. and 10 more. Requests are routed to the best available provider, with automatic failover to the others, and you can pin or exclude providers with provider routing.

DeepSeek V4 Pro 0423 was released on April 24, 2026.