Home / All model prices / DeepSeek / deepseek-v3-1-terminus D DeepSeek
deepseek-v3-1-terminus OpenRouter price Model overview DeepSeek-V3.1 Terminus is an update to [DeepSeek V3.1](/deepseek/deepseek-chat-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...
Context window 163,840 tokens
Knowledge cutoff —
Price last verified 2026-09-06
First observed 2026-08-11 Descriptions, capabilities, and tariffs come from the linked source. First-party prices take priority; OpenRouter fallbacks are labelled.
Current price Estimated API value in USD per million tokens, backed by OpenRouter's public Models API.
Input $0.27
Cached input $0.135
Cache write 5m —
Cache write 1h —
Output $1 Capabilities and formats text frequency penalty include reasoning logit bias max tokens min p presence penalty reasoning repetition penalty response format seed stop structured outputs temperature tool choice tools top k top p Performance references No comparable benchmark data is currently available.
PRICE EVOLUTION Price history Original observation and every later change, including any change of price source.
Original observed price Official price unavailable 2026-08-11
Input: — Cached input: — Cache write 5m: — Cache write 1h: — Output: —
Price change OpenRouter price 2026-08-20
Input: $0.27 Cached input: $0.135 Cache write 5m: — Cache write 1h: — Output: $1