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Text · Released Jan 2025

DeepSeek R1 1.5B

DeepSeek's compact 1.5B reasoning model distilled from Qwen2.5 — chain-of-thought on-device.

R1 1.5B is an open-weight text model from DeepSeek. It takes a text prompt and replies with generated text. It runs entirely on your own hardware through Ollama and Hugging Face: no API key and no per-use fees.

Modality
Text
Model ID
ollama:deepseek-r1:1.5bhf:onnx-community/DeepSeek-R1-Distill-Qwen-1.5B-ONNX
Supported OS
macOSWindowsLinux
Minimum machine configuration
8 GB RAM · 128K ctx · text · CPU/GPU
Download size · ~1.1 GB
Specs
Released
Jan 2025
Pricing
Free, runs on your hardware
Real outputs

Samples

Generated with R1 1.5B via Ollama. The same three prompts run against every text model in the catalog, shown verbatim, so the only thing that changes between two models’ answers is the model.

Short answer48 / 50 words

Explain what an API is to someone who has never written code. Do not use a restaurant or waiter analogy. Plain prose only — no headings, bullet points, or markdown formatting. Maximum 50 words.

An API is a shared language or set of rules that computers understand and can communicate with each other. It allows data to be sent and received smoothly. It's secure and consistent so it's reliable. It lets different systems connect and work together, making tasks easier and faster.

Medium answer25 / 150 words

A two-person startup is deciding whether to build their own user authentication or use a hosted provider. Give them a clear recommendation, then the single strongest argument against your own recommendation. Plain prose only — no headings, bullet points, or markdown formatting. Maximum 150 words.

Recommendation: Build your own user authentication system for greater control and adaptability. Strongest Argument Against: The complexity and security risks of managing your own data.

Long answer204 / 190–220 words

Write a briefing for a non-technical executive explaining why their company's spending on AI is hard to predict, and what they can do about it. Cover at least three distinct causes. Plain prose only — no headings, bullet points, or markdown formatting. Write exactly 205 words.

Your company’s spending on AI (Artificial Intelligence) is hard to predict because several factors can make the numbers tricky. First, **data limitations** often restrict how well AI models can learn. AI systems rely on vast amounts of data, including labeled examples and real-world interactions, to improve. Without sufficient data, models might struggle to generalize or could be biased if the data isn’t representative of the problem you’re solving. Second, **regulatory changes** can make it difficult to keep up with new technologies. As regulations evolve, companies must navigate new frameworks, tools, and ethical guidelines. This can slow down the pace of AI adoption and make it harder to predict how much spending will grow or shrink. Third, **competition from other AI tools** creates uncertainty. Companies are constantly introducing new AI-based solutions, from chatbots to machine learning platforms. This can lead to market saturation and make it hard to determine if your AI spending is truly adding value or just being surpassed by others. To address these challenges, consider investing in **more data**, ensuring compliance with new regulations, and diversifying your approach by using multiple AI tools. Continuous education on AI trends and regulations will also help keep your spending strategy aligned with industry best practices.

About the creator

DeepSeek

DeepSeek is a Chinese AI lab whose open-weight models — from the R1 reasoning distills to the V4 mixture-of-experts family — bring frontier-grade reasoning under permissive (MIT) licensing.

www.deepseek.com ↗
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