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DeepSeek AI·Jul 31, 2026·v0731·open source

DeepSeek-V4-Flash-0731

DeepSeek-V4-Flash-0731 is an official, re-post-trained version of the DeepSeek-V4-Flash model, featuring significantly enhanced agentic capabilities and a built-in DSpark speculative decoding module. It is designed for high-efficiency, large-scale tasks, offering competitive performance in coding, reasoning, and multi-step tool use.

LLMAgentic AIOpen WeightsMixture-of-Experts
overview

DeepSeek-V4-Flash-0731 is an official, re-post-trained version of the DeepSeek-V4-Flash model, featuring significantly enhanced agentic capabilities and a built-in DSpark speculative decoding module. It is designed for high-efficiency, large-scale tasks, offering competitive performance in coding, reasoning, and multi-step tool use.

key features
  • 011 million token context window
  • 02384K maximum output token length
  • 03DSpark speculative decoding module for enhanced throughput
  • 04Optimized for agentic workflows and complex coding tasks
  • 05Sparse mixture-of-experts architecture (13B active / 284B total parameters)
  • 06Supports low, high, and max reasoning effort levels
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