Unverified50% confidenceFactExact time
The Flexible reasoning effort mechanism applies to both the V4-Pro and the lighter V4-Flash versions.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
8/17/2026
First Seen
Valid until: 11/15/2026
Sources
DeepSeek-V4-Pro发布：Agent能力与弹性推理机制全面解析
Related Claims
UnverifiedDeepSeek-Reasonix offers two base model options—V3 Flash and V3 Pro—along with five reasoning intensity levels.70% similarUnverifiedV3 Flash is a lightweight inference version optimized for low-latency scenarios, suited for fast-response tasks such as code completion and simple question answering.68% similarUnverifiedV3 Pro is the full-capability version, excelling at complex code generation, multi-step reasoning, and long-context understanding.68% similarUnverifiedV4 Pro的代码生成速度明显慢于V4 Flash67% similarUnverifiedIn the CLI40 command-line operation test, DeepSeek V4 Flash performed best, surpassing V4 Pro.65% similar
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