DeepSeekOpen-weight·164K context·— params

DeepSeek V3.1 Terminusdeepseek/deepseek-v3-1-terminus

Name: DeepSeek V3.1 Terminus API
Brand: DeepSeek
Availability: InStock

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...

Cheapest blended:$0.44 / 1M tokenson DeepSeek · 1 provider listed

Pricing across providers

Sort by:

Provider	Input /1M	Output /1M	Blended /1M	Latency p50	Format	Freshness	Action
DeepSeek deepseek-v3.1-terminus	$0.27	$0.95	$0.44	—	OpenAI-compatible	Needs 27d ago	Try →

Affiliate disclosure: We may earn a commission from qualified signups. Pricing independence is enforced at the data layer — see our Editorial Independence Policy.

Works with

Point any of these clients at a hosting's base URL — they all speak at least one of this model's endpoint protocols (OPENAI_COMPATIBLE).

Capabilities

Code samples

Example using DeepSeek — the cheapest hosting for this model as of last verification. Swap base_url and model to use a different provider from the matrix above.

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://api.deepseek.com/v1",
)

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

Technical specs

Context: 164K
Max output: 33K
Parameters: —
Release: —
Training cutoff: —
License: —

Hugging Face →

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DeepSeek V3.1 Terminus vs DeepSeek V3.1
Comparison planned — not yet published

Frequently asked

How much does DeepSeek V3.1 Terminus cost?+

The cheapest public hosting is $0.44 per 1M blended tokens on DeepSeek. 1 total providers are listed above with per-input / per-output / cached pricing.

How do I access DeepSeek V3.1 Terminus from outside China?+

All hostings listed above support global access. The official API (e.g. api.deepseek.com, dashscope-intl.aliyuncs.com) accepts international credit cards and does not require a Chinese mobile number. For privacy-sensitive workloads, third-party aggregators like Together.ai host the model on US/EU infrastructure.

Is DeepSeek V3.1 Terminus open-source? Can I fine-tune it?+

Yes. DeepSeek V3.1 Terminus is open-weight under the unspecified license. Weights are available on Hugging Face for local inference, fine-tuning, and commercial use (see license for specific terms).

Is DeepSeek V3.1 Terminus OpenAI-compatible?+

Most listed hostings expose an OpenAI-compatible API, so you can point an existing openai SDK client at the Provider's base_url and use the Provider's model name. See the Code Samples above for a copy-pasteable example.

What's the maximum context window for DeepSeek V3.1 Terminus?+

The model supports up to 163,840 tokens of context (input + output). Some hosted versions may impose a smaller limit — check the "Context" column in the pricing matrix for each provider.