DeepSeek V4 Flash is DeepSeek's efficiency-first open-source model released in April 2026, built on a 284B-parameter Mixture-of-Experts architecture with just 13B parameters active per token — the smallest activation footprint among current Tier-1 models. It shares the same 1M-token context window and hybrid attention

According to @deepseek_ai, DeepSeek-V4-Flash delivers reasoning capabilities that closely approach V4-Pro and performs on par with V4-Pro on simple agent...

According to @deepseek_ai, the DeepSeek API now supports the new deepseek-v4-pro and deepseek-v4-flash models with 1M context windows and dual Thinking and...

DeepSeek V4 Flash is an efficiency-optimized Mixture-of-Experts model from DeepSeek with 284B total parameters and 13B activated parameters, supporting a 1M-token context window. $0.14 per million input tokens, $0.28 per million output tokens. 1,048,576 token context window, maximum output of 384,000 tokens.

Compare DeepSeek V4 Flash from DeepSeek to other AI models on key metrics including benchmarks, price, context length, and other model features.