AI model
deepseek/deepseek-v3.1-terminus
DeepSeek: DeepSeek V3.1 Terminus is a 163,840-token model served on Composite at $0.338 per million tokens in and $1.25 per million tokens out. Ranked #41 of 179 models by traffic on Composite over the last 30 days, taking 0.23% of tokens and 0.23% of requests. Measured on Composite, 99.0% of its last 100 requests on Composite succeeded, the typical first token arrives in 3524 ms, output runs at about 29.0 tokens per second.
Try in Playground| Model ID | deepseek/deepseek-v3.1-terminus |
|---|---|
| Provider | cv11 |
| Context window | 163,840 tokens |
| Accepts | text |
| Returns | text |
| Input price | $0.338 per million tokens |
| Output price | $1.25 per million tokens |
| Prompt caching | Not offered for this model |
| Moderated | No |
| Cost on a monthly plan | About 3.2 plan credits per typical call (8k in, 1k out) |
| Routing endpoints | 2 (base plus 1 routing variant) |
Make a Composite API key and type deepseek/deepseek-v3.1-terminus as the model name. JanitorAI takes the full URL https://composite.lucidity.sh/v1/chat/completions; SillyTavern, ChubAI, Agnai and RisuAI take https://composite.lucidity.sh/v1. It runs on credits, a plan, or your own provider key.
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#41 of 179
0.23% of tokens and 0.23% of requests over 30 days.
99.0%
Across the last 100 requests Composite served for this model.
3524 ms
Median across the same sample.
29.0 tok/s
Median generation rate after the first token.
60.2%
Share of prompt tokens served from the provider's cache over 7 days.
The same model behind 1 alternative endpoint. Call the id directly to pin a route; the base id above picks for you.
| Route | Model ID | Provider | Price |
|---|---|---|---|
| cheapThink | deepseek/deepseek-v3.1-terminus:cheapThink |
cv11 | $0.338 per million tokens input · $1.25 per million tokens output |
$0.338 per million tokens input · $1.25 per million tokens output
Credits pay the provider’s price plus 25%; cache hits cost less.
On a monthly plan, a typical call (8k tokens in, 1k out) uses about 3.2 plan credits, at the provider's own price.
cv11
DeepSeek models are known for strong reasoning and coding ability at aggressive pricing, which makes them a common pick for roleplay accounts that send a high volume of messages.
With a 163,840-token context window, it can hold a long-running roleplay or a full lorebook in memory without losing earlier plot details, so it suits multi-session campaigns and character cards with heavy backstory.
It is priced low enough for high-volume daily roleplay without the per-message cost adding up quickly.
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...
Supplied by cv11, not written by Composite.
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