DeepSeek: DeepSeek V3.1 Terminus

Public pricingIntelligence 79/100Medium memory심층 추론도구 활용

DeepSeek: DeepSeek V3.1 Terminus은 에이전트 워크플로와 도구 활용에 맞춘 텍스트 모델입니다. 안정적인 도구 사용과 에이전트 동작, 164K tokens의 컨텍스트, 저비용 특성을 결합해 agent workflows, tool use, and orchestration에서 안정적인 작업을 돕습니다. 특히 품질, 속도, 비용가 중요한 경우에 잘 맞으며, 안정적인 출력, 유연한 배포, 확장성을 중시하는 팀에 실용적입니다. 안정적인 응답, 넓은 문맥 처리, 그리고 시제품부터 운영까지 이어지는 유연성이 필요할 때 유용합니다. 안정적인 응답, 넓은 문맥 처리, 그리고 시제품부터 운영까지 이어지는 유연성이 필요할 때 유용합니다.

Input

$0.21/1M

Output

$0.79/1M

Cached

$0.13/1M

Batch

$0.20/1M

Calculate your DeepSeek V3.1 Terminus bill.

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What would DeepSeek V3.1 Terminus cost you?

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Technical specifications

DeepSeek V3.1 Terminus at a glance.

Memory

163,840

tokens

Max reply

65,536

tokens

Memory tier

Medium

a long report or a codebase file

Tokenizer

deepseek

Released

Sep 2025

Training cutoff

May 2025

Availability

Public pricing

Status

active

Benchmarks

Quality benchmarks

Independent evaluations from public leaderboards. Higher is better.

  • aa_intelligence_index

    28

What it can do

Capabilities & limits.

  • Understands images
  • Deep step-by-step thinking
  • Uses tools / calls functions
  • Strict JSON output
  • Streams replies
  • Fine-tunable on your data

When to pick DeepSeek V3.1 Terminus

  • Multi-step reasoning, research agents, or hard math.
  • Agentic workflows that call tools or APIs.
  • High-volume workloads where unit cost matters.

When to look elsewhere

  • Your workload involves images — pick a vision-capable model instead.

Alternatives

Similar models to compare.

FAQ

DeepSeek V3.1 Terminus — the questions we see most.

Pricing, capabilities, alternatives — generated from the same data that powers the calculator above.

Get instant answers from our AI agent

At a typical workload of 50,000 conversations a month with 1,500-token prompts and 800-token replies, DeepSeek V3.1 Terminus costs roughly $47 per month. Input is $0.21 /1M tokens and output is $0.79 /1M tokens.
DeepSeek V3.1 Terminus has a 163,840-token context window (medium memory — a long report or a codebase file). That means you can fit about 30,720 words of input and history in a single call.
Beyond text generation, DeepSeek V3.1 Terminus supports deep step-by-step reasoning, calling functions / tools, strict JSON output. It streams replies by default.
DeepSeek V3.1 Terminus was released in September 2025, with training data cut off around May 2025.
Models in a similar class include DeepSeek V3.2, DeepSeek V3.1, DeepSeek V3.2 Exp. The "Similar models" section below this FAQ links into each.

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