Model Cost Profile

DeepSeek: DeepSeek V3.1 Terminus

Developer: deepseek

Pricing updated Mar 11, 2026

Input rank: #147Output rank: #155

Live Pricing

Input: $0.2100

Output: $0.7900

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Pricing via OpenRouter API · Last synced Mar 11, 2026 · MMLU score via public benchmark data

DeepSeek V3.1 Terminus offers a substantial context window of 163,840 tokens, making it ideal for complex tasks such as long-form content generation, comprehensive data analysis, and intricate conversational AI applications. With an input price of $0.21 per million tokens and an output price of $0.79 per million tokens, teams can effectively manage costs while leveraging the model for extensive projects that require detailed contextual understanding. This pricing structure allows organizations to scale their usage according to specific project needs, optimizing budget allocation for high-volume tasks.

🔧 Tool Calling📋 Structured Output🧠 Reasoning

Context Window

163,840

Tokens

Input Price / 1M

$0.2100

Prompt tokens

Output Price / 1M

$0.7900

Completion tokens

Intelligence (MMLU)

83.6

Massive Multitask Language Understanding

Benchmark Scores

Standardized evaluation scores for DeepSeek: DeepSeek V3.1 Terminus.

Benchmark	Score	Rank	Source
GPQA	75.1	#34 of 118	artificial_analysis
MMLU	83.6	#21 of 121	artificial_analysis

Side-by-Side Pricing Table

Usage Type	Price / 1M Tokens
Input (Prompt)	$0.2100
Output (Completion)	$0.7900

Compare with DeepSeek: DeepSeek V3 0324 Compare with Kwaipilot: KAT-Coder-Pro V1 Compare with Qwen: Qwen2.5-VL 7B Instruct

Price History

DeepSeek: DeepSeek V3.1 Terminus Pricing Trend

Input / 1M tokens0.0%Output / 1M tokens0.0%

Mar 7 — Mar 11

Current Input / 1M

$0.2100

Current Output / 1M

$0.7900

Cost Calculator

Estimate monthly spend for DeepSeek: DeepSeek V3.1 Terminus based on your workload.

Input tokens / month

01.0B

Output tokens / month

0500M

Estimated Monthly Cost

$15

25M input + 12M output tokens

Same Workload on Other Models

Arcee AI: Trinity Large Preview (free)$0.00−$15 Arcee AI: Trinity Mini (free)$0.00−$15 Google: Gemma 3 12B (free)$0.00−$15 Google: Gemma 3 27B (free)$0.00−$15

Cheaper Alternatives to Compare

Quick links for cost-down decisions before production rollout.

DeepSeek: DeepSeek V3.1 Terminus vs Arcee AI: Trinity Large Preview (free)DeepSeek: DeepSeek V3.1 Terminus vs Arcee AI: Trinity Mini (free)DeepSeek: DeepSeek V3.1 Terminus vs Google: Gemma 3 12B (free)DeepSeek: DeepSeek V3.1 Terminus vs Google: Gemma 3 27B (free)

FAQ

Common pricing and benchmark questions for DeepSeek: DeepSeek V3.1 Terminus.

How much does DeepSeek: DeepSeek V3.1 Terminus cost per 1M input tokens?

DeepSeek: DeepSeek V3.1 Terminus input pricing is $0.2100 per 1M tokens based on the latest synced provider data.

How much does DeepSeek: DeepSeek V3.1 Terminus cost per 1M output tokens?

DeepSeek: DeepSeek V3.1 Terminus output pricing is $0.7900 per 1M tokens based on the latest synced provider data.

What context window does DeepSeek: DeepSeek V3.1 Terminus support?

DeepSeek: DeepSeek V3.1 Terminus supports a context window of 163,840 tokens.

How can I compare DeepSeek: DeepSeek V3.1 Terminus with cheaper alternatives?

Use the comparison links on this page to open direct model-vs-model pricing and benchmark pages, then evaluate monthly spend projections for your workload.