DeepSeek Chat is DeepSeek's hosted chat product at chat.deepseek.com. The company site is deepseek.com. It is a hosted assistant, not a downloaded desktop suite. DeepSeek-V3.1 is DeepSeek's model API, from Hangzhou DeepSeek Artificial Intelligence Basic Technology Research Co., Ltd. Published at huggingface.co/deepseek-ai/DeepSeek-V3.1. Directory filing: LLMs. DeepSeek-V3.1 is DeepSeek's model API, from Hangzhou DeepSeek Artificial Intelligence Basic Technology Research Co., Ltd. Published at huggingface.co/deepseek-ai/DeepSeek-V3.1. Directory filing: LLMs.

Category: LLMs

Product listing

DeepSeek-V3.1

Name: DeepSeek-V3.1
Brand: DeepSeek

From DeepSeek

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huggingface.co

AI Model / API · LLMs · Models & Foundation AI

Unclaimed
Directory-only

TrustMark reading

Where this product sits

DeepSeek-V3.1 is classified as LLMs. Large language models are general sequence models sold as APIs or weights for text and increasingly other modalities. They are foundation components, not finished business applications. Procurement should identify the exact model, licence, eval evidence and hosting, rather than a consumer chatbot name.

Buyers typically come to LLMs because application teams inherit undocumented model changes and unclear training-data licences. Classification is not a finding that this product solves that job.

This is TrustMark's classification reading for buyers comparing LLMs products. It is not an Assurance Score, certificate, or ranked position.

What it is

Product classification

AI Model / API

LLMs · Models & Foundation AI

What it does

How this product is used

Capabilities: Not specified
Sectors: Cross-industry / not specified
Deployment: Not specified
Autonomy: ASSISTIVE
Data exposure: Not specified

Verified claims

What has been independently checked

Independently verified· 2026-09-17Domain association: Verified
This only confirms the listing is tied to a checked company website domain. It is not a product assessment, certificate, review star, or ranked position.

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Supplier-provided information

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What the vendor’s website says · supplier-provided, not verified evidence

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Category context

Why buyers look at LLMs

Large language models are general sequence models sold as APIs or weights for text and increasingly other modalities. They are foundation components, not finished business applications. Procurement should identify the exact model, licence, eval evidence and hosting, rather than a consumer chatbot name.

Application teams inherit undocumented model changes and unclear training-data licences.

This is category context, not an independent assessment of DeepSeek-V3.1. Vendor-claimed differences are listed above. Assessment results appear only after examination.

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Where to get more information

Product website · huggingface.co/deepseek-ai/DeepSeek-V3.1
DeepSeek website
Company listing
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Other products from DeepSeek

DeepSeek Chat Claim
DeepSeek Chat is DeepSeek's hosted chat product at chat.deepseek.com. The company site is deepseek.com. It is a hosted assistant, not a downloaded desktop suite. DeepSeek Chat is DeepSeek's software product, from Hangzhou DeepSeek Artificial Intelligence Basic Technology Research Co., Ltd. Published at chat.deepseek.com. Directory filing: Multimodal assistants.
DeepSeek-Coder-V2-Instruct Claim
DeepSeek Chat is DeepSeek's hosted chat product at chat.deepseek.com. The company site is deepseek.com. It is a hosted assistant, not a downloaded desktop suite. DeepSeek-Coder-V2-Instruct is DeepSeek's model API, from Hangzhou DeepSeek Artificial Intelligence Basic Technology Research Co., Ltd. Published at huggingface.co/deepseek-ai/DeepSeek-Coder-V2-Instruct. Directory filing: Specialist / domain models. DeepSeek-Coder-V2-Instruct is DeepSeek's model API, from Hangzhou DeepSeek Artificial Intelligence Basic Technology Research Co., Ltd. Published at huggingface.co/deepseek-ai/DeepSeek-Coder-V2-Instruct. Directory filing: Specialist / domain models.
DeepSeek-R1 Claim
DeepSeek Chat is DeepSeek's hosted chat product at chat.deepseek.com. The company site is deepseek.com. It is a hosted assistant, not a downloaded desktop suite. DeepSeek-R1 is DeepSeek's model API, from Hangzhou DeepSeek Artificial Intelligence Basic Technology Research Co., Ltd. Published at huggingface.co/deepseek-ai/DeepSeek-R1. Directory filing: Open-source models. DeepSeek-R1 is DeepSeek's model API, from Hangzhou DeepSeek Artificial Intelligence Basic Technology Research Co., Ltd. Published at huggingface.co/deepseek-ai/DeepSeek-R1. Directory filing: Open-source models.
DeepSeek-VL2 Claim
DeepSeek Chat is DeepSeek's hosted chat product at chat.deepseek.com. The company site is deepseek.com. It is a hosted assistant, not a downloaded desktop suite. DeepSeek-VL2 is DeepSeek's model API, from Hangzhou DeepSeek Artificial Intelligence Basic Technology Research Co., Ltd. Published at huggingface.co/deepseek-ai/deepseek-vl2. Directory filing: Multimodal models. DeepSeek-VL2 is DeepSeek's model API, from Hangzhou DeepSeek Artificial Intelligence Basic Technology Research Co., Ltd. Published at huggingface.co/deepseek-ai/deepseek-vl2. Directory filing: Multimodal models.

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