DeepSeek V3.1 Terminus

language modelDeepSeek

DeepSeek-V3.1 Terminus is an update to DeepSeek V3.1 that maintains the model's original capabilities while addressing issues reported by users, including language consistency and agent capabilities, further optimizing the model's...

Key facts

Made byDeepSeek
Typelanguage model
ReleasedSeptember 22, 2025
Reads at once163,840 tokens
Price (API, per million tokens)$0.27 in · $1 out
Input → outputtext → text

Questions about DeepSeek V3.1 Terminus

Who makes DeepSeek V3.1 Terminus?

DeepSeek V3.1 Terminus is made by DeepSeek.

When was DeepSeek V3.1 Terminus released?

We first saw DeepSeek V3.1 Terminus listed on September 22, 2025.

How much does DeepSeek V3.1 Terminus cost?

Through OpenRouter it costs $0.27 per million input tokens and $1 per million output tokens. Prices change, so check the provider before you build on it.

How much text can DeepSeek V3.1 Terminus read at once?

Up to 163,840 tokens, roughly 122.9K words.

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Modelcast collects this page automatically from public sources (OpenRouter). Facts are copied from those sources, not written by the maker. Not affiliated with DeepSeek.