DeepSeek: DeepSeek V3.1 Terminus

Public pricingIntelligence 79/100Medium memoryRéflexion approfondieOutils

DeepSeek: DeepSeek V3.1 Terminus est un modèle texte conçu pour workflows agentiques et usage d’outils. Il associe une utilisation fiable des outils et des agents, un contexte de 164K tokens et un profil à faible coût pour un travail fiable sur agent workflows, tool use, and orchestration.

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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