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MODEL · ENTITY #3457
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The DeepSeek team has released DeepSeek‑V3.1‑Terminus, an update that builds on V3.1 while addressing user feedback. Changes include improved language consistency (fewer CN/EN mix-ups and elimination of stray characters), stronger Code Agent and Search Agent performance, and reportedly more stable, more reliable outputs across benchmarks; open-source weights are available on Hugging Face.
DeepSeek released DeepSeek‑V3.1, introducing a hybrid inference mode called Think & Non‑Think (toggleable via the “DeepThink” button at chat.deepseek.com), faster 'Think' responses vs. DeepSeek‑R1‑0528, improved tool use and multi-step agent skills, Anthropic API format support, and beta Strict Function Calling support. V3.1 Base received 840B tokens of continued pretraining for long-context extension; the tokenizer and chat template were updated (tokenizer_config.json); open-source weights for DeepSeek‑V3.1 and DeepSeek‑V3.1‑Base are published on Hugging Face, and new pricing/off-peak discount changes take effect Sep 5, 2025, 16:00 UTC.
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