How much does DeepSeek V3.1 Terminus cost on Zeplik?

Input tokens cost 3.0 credits per million and output tokens 11.0 credits per million (1 credit = $0.10; the raw provider rates are $0.27 and $1.00 per million). New accounts start with free credits.

How long can a conversation with DeepSeek V3.1 Terminus be?

DeepSeek V3.1 Terminus has a 131K-token context window (131,072 tokens), which covers the conversation plus any documents you attach.

Does DeepSeek V3.1 Terminus support images and tools?

DeepSeek V3.1 Terminus is text-only and supports tool calling.

DeepSeek V3.1 Terminus

Open weightTools

DeepSeek · Released September 2025 · Knowledge cutoff March 2025

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...

It is part of DeepSeek's open-weight line, known for delivering near-frontier reasoning and coding quality at a fraction of typical frontier pricing.

Facts and pricing

Provider: DeepSeek
Context window: 131K tokens
Input price: 3.0 credits / 1M tokens ($0.27 raw)
Output price: 11.0 credits / 1M tokens ($1.00 raw)
Vision (image input): No
Tool calling: Yes
Extended reasoning: No

Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.10x margin. Raw prices shown per 1M tokens.

Try DeepSeek V3.1 Terminus now

Or open Zeplik with DeepSeek V3.1 Terminus already selected

What DeepSeek V3.1 Terminus is best for

Everyday chat and drafting on an open-weight model with transparent lineage
Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows

Example prompts

Prompts that suit a open weight model like DeepSeek V3.1 Terminus:

Draft a project update from these rough notes
Explain how HTTPS works to a curious teenager
Turn this list of features into a changelog entry
Brainstorm objections to this proposal and how to answer them

DeepSeek family

Model	Context	Input cr/M	Output cr/M	Released
DeepSeek V4 Flash Vision Exp	1.0M	2.4	7.3	August 2026
DeepSeek V4 Pro 0813	1.0M	6.4	19.1	August 2026
DeepSeek V4 Pro 0813 (batch)	1.0M	14.5	43.6	August 2026
DeepSeek V4 Flash 0731	1.0M	0.72	2.0	July 2026
DeepSeek V4 Flash 0731 (batch)	1.0M	1.5	3.1	July 2026
DeepSeek V4 Pro 0423	1.0M	9.1	18.2	April 2026
DeepSeek V4 Flash 0423	1.0M	0.93	1.9	April 2026
DeepSeek V3.2	164K	3.0	4.4	December 2025
DeepSeek V3.2 Exp	164K	3.0	4.5	September 2025
DeepSeek V3.1 Terminus	131K	3.0	11.0	September 2025

All 16 DeepSeek models

Frequently asked questions

What is DeepSeek V3.1 Terminus?: DeepSeek V3.1 Terminus is an AI model by DeepSeek. 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...
How much does DeepSeek V3.1 Terminus cost on Zeplik?: Input tokens cost 3.0 credits per million and output tokens 11.0 credits per million (1 credit = $0.10; the raw provider rates are $0.27 and $1.00 per million). New accounts start with free credits.
How long can a conversation with DeepSeek V3.1 Terminus be?: DeepSeek V3.1 Terminus has a 131K-token context window (131,072 tokens), which covers the conversation plus any documents you attach.
Does DeepSeek V3.1 Terminus support images and tools?: DeepSeek V3.1 Terminus is text-only and supports tool calling.

DeepSeek V4 Flash Vision Exp is an experimental vision-enabled version of [DeepSeek V4 Flash 0731](https://openrouter.ai/deepseek/deepseek-v4-flash-0731) from DeepSeek, adding image understanding while matching the base model on text capabilities including agents,...

1.0M ctx7.3 cr/M outAugust 2026

DeepSeek V4 Pro 0813Open weight

DeepSeek V4 Pro 0813 is a large-scale mixture-of-experts model from DeepSeek. This is the GA release of DeepSeek V4 Pro.

1.0M ctx19.1 cr/M outAugust 2026

DeepSeek V4 Pro 0813 (batch)Open weight

DeepSeek V4 Pro 0813 is a large-scale mixture-of-experts model from DeepSeek. This is the GA release of DeepSeek V4 Pro.

1.0M ctx43.6 cr/M outAugust 2026

DeepSeek V4 Flash 0731Fast and light

DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total. This re-post-trained revision is suited for coding, reasoning, and agent workflows....

1.0M ctx2.0 cr/M outJuly 2026

DeepSeek V4 Flash 0731 (batch)Fast and light

1.0M ctx3.1 cr/M outJuly 2026

DeepSeek V4 Pro 0423Open weight

DeepSeek V4 Pro is a large-scale Mixture-of-Experts model from DeepSeek with 1.6T total parameters and 49B activated parameters, supporting a 1M-token context window. It is designed for advanced reasoning, coding,...

1.0M ctx18.2 cr/M outApril 2026