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Deepseek V3.1 Terminus API Pricing & Quick Start

DeepSeek-V3.1 Terminus is an update to DeepSeek 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...

Intelligence#209 / 573
21
Artificial Analysis Intelligence Index
Speed#166 / 586
0.0
Output tokens per second (median)
Input Price#324 / 586
$0.27NT$ 9
USD / 1M tokens
Output Price#329 / 586
$1.00NT$ 32
USD / 1M tokens
First-token latency#1 / 586
0.00s
Time to first token (AA median)
ProviderDeepSeek
ReleasedSeptember 2025
Model IDdeepseek/deepseek-v3.1-terminus

Technical specifications

Context window
164K tokens
Reasoning
Yes
Input
Text
Output
Text

Pricing comparison

BazaarLink retail price alongside AA's observed market standard.

BazaarLink price our site

Input$0.27NT$ 9
Output$1.00NT$ 32
Cache read$0.14NT$ 4
Cache write
3:1 blended (est.)$0.45NT$ 15
All prices per 1M tokens. Supports TWD credit card / official invoice.

Market reference Artificial Analysis

Input$0.27
Output$1.00
Cache readAA not tracked
Cache writeAA not tracked
3:1 blended$0.45
✓ Matches market reference — BazaarLink does not mark up.
Source: artificialanalysis.ai

Independent benchmarks

Scores below come from Artificial Analysis, an independent third party. BazaarLink does not participate in the testing.

Intelligence 21
Coding
Math 54
MMLU 84
GPQA 75
This modelCategory leader
Overall intelligence
#209out of 573 models
Aggregated across academic benchmarks
Math reasoning
#133out of 269 models
AIME / MATH-500 / SciCode
Time to first token
🥇
#1out of 586 models
AA 全球 p50:0.00 秒
Intelligence
21
Mid-tier
This model
21
Category leader
61
Median
15
Math
54
Mid-tier
This model
54
Category leader
99
Median
53
MMLU Pro
84%
This model
84%
Category leader
90%
Median
75%
GPQA
75%
This model
75%
Category leader
94%
Median
69%
LiveCodeBench
53%
This model
53%
Category leader
42%
Median
42%
HLE
8%
This model
8%
Category leader
53%
Median
7%
SciCode
32%
This model
32%
Category leader
60%
Median
33%
IFBench
41%
This model
41%
Category leader
83%
Median
44%
τ²-Bench Telecom
37%
This model
37%
Category leader
99%
Median
46%
AA-LCR
43%
This model
43%
Category leader
76%
Median
40%
Terminal-Bench Hard
32%
This model
32%
Category leader
66%
Median
14%

Top 5 — CodingCoding Index leaderboard

1GPT-5.6 Sol (xhigh)openai/gpt-5-6-sol-xhigh78$5 / $30
4GPT-5.6 Sol (high)openai/gpt-5-6-sol-high77$5 / $30
5Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)anthropic/claude-opus-5-xhigh77$5 / $25
AASource: Artificial Analysis · Independent third-party evaluation; not influenced by BazaarLinkView full evaluation on AA →

Quick Start

Use Deepseek V3.1 Terminus via BazaarLink API — just change the base_url:

Python
from openai import OpenAI

client = OpenAI(
    base_url="https://bazaarlink.ai/api/v1",
    api_key="sk-bl-YOUR_API_KEY",
)

response = client.chat.completions.create(
    model="deepseek/deepseek-v3.1-terminus",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)
TypeScript
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://bazaarlink.ai/api/v1",
  apiKey: "sk-bl-YOUR_API_KEY",
});

const response = await client.chat.completions.create({
  model: "deepseek/deepseek-v3.1-terminus",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Why use Deepseek V3.1 Terminus via BazaarLink?

  • USD billing (TWD-quoted) + unified invoices — no foreign credit card needed for Taiwan teams
  • OpenAI-compatible API — zero code changes required
  • Automatic failover — multi-provider redundancy for the same model
  • Chinese-language support — local team, instant help
Try Now← All Models

Frequently Asked Questions

What is Deepseek V3.1 Terminus?

DeepSeek-V3.1 Terminus is an update to DeepSeek 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 the Deepseek V3.1 Terminus API cost?

Deepseek V3.1 Terminus costs $0.2700 per 1M input tokens and $1.0000 per 1M output tokens when accessed through BazaarLink.

How do I use Deepseek V3.1 Terminus with the OpenAI SDK?

Set base_url to "https://bazaarlink.ai/api/v1" and use model ID "deepseek/deepseek-v3.1-terminus". All OpenAI SDK methods (chat.completions, embeddings, streaming) work without code changes.

What is the context window for Deepseek V3.1 Terminus?

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

Is Deepseek V3.1 Terminus available for free?

Deepseek V3.1 Terminus is a paid model. BazaarLink offers free trial credits on registration so you can test it without a credit card.

Relay integrity checks

No integrity-check data is available for this model yet.

BazaarLink Probe verifies endpoints that claim to serve this model and flags behavior that differs from the reference baseline.

View the full integrity report →

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