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deepseek-v3.1
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US CAISI finds DeepSeek models far more jailbreak-susceptible than US frontier models
The report also found DeepSeek's most secure model was twelve times more likely than US models to follow malicious instructions hidden inside an AI agent's task.
Benchmarks & progress · Safety & alignment · Security & misuse
DeepSeek releases DeepSeek-V3.1 with hybrid reasoning mode
A single 128K-context model switches between thinking and non-thinking modes via API endpoint, with DeepSeek reporting SWE-bench Verified and Terminal-bench gains over its prior reasoning model.
Open weights & ecosystem · Models & capabilities