Expired60% confidenceFactTime unknown

DeepSeek-V4 is used by DeepSeek's internal employees as their primary programming assistant.

1

Sources

60%

Confidence

Medium-term (~90 days)

Relevance

6/3/2026

First Seen

Valid until: 9/1/2026(expired)

Sources

GPT-5.5 vs DeepSeek-V4: Who Wins in a Four-Round Head-to-Head Test?

bilibili硅基洞察

Related Entities

DeepSeek-V4model DeepSeekcompany

Related Claims

UnverifiedDeepSeek's parent company has internally adopted DeepSeek-V4 as their daily programming model.81% similar UnverifiedThe DeepSeek team fine-tuned on DeepSeek v4 flash and developed their own visual encoder, DeepSeek ViT.79% similar

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