Unverified50% confidenceBenchmarkExact time
In the city evacuation project, Step-5-preview and DeepSeek V4.1 Flash tied for first place.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/23/2026
First Seen
Valid until: 12/22/2026
Sources
Related Entities
Related Claims
VerifiedIn its July changelog, DeepSeek credited its internal Harness (the "minimal mode") as the behind-the-scenes contributor to V4 Flash's programming benchmark scores.63% similarVerifiedDeepSeek published 6 tweets on September 10, officially launching the V4.1 Flash model.63% similarUnverifiedThe post claims that DeepSeek v4.1 Flash outperforms other large models previously used by the team in security offensive-defensive tasks such as penetration testing and vulnerability discovery.62% similarVerifiedDeepSeek has released an experimental multimodal model, DeepSeek V4 Flash Vision EXP, which performs excellently in both text and multimodal tasks.62% similarUnverifiedThe release information for DeepSeek-V4.1-Flash comes from an official release announcement, which is marked as 1/6 in the original, indicating it is the opening of a series of announcements.61% similar
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