DeepSeek-R1-0528 – The Open-Source LLM Rivaling GPT-4 and Claude


Get the Next.js weekly drop
Free weekly notes on App Router, auth, and frontend stacks that ship. No spam—just what's worth your inbox.
By subscribing you agree to our Privacy Policy.
Free, fast, and shockingly powerful — DeepSeek's latest upgrade is here to challenge the big names in AI.
DeepSeek-R1-0528 is an upgraded version of the already-impressive DeepSeek R1 model — an open-source large language model designed to compete with proprietary giants like OpenAI's GPT-4, Google's Gemini, and Anthropic's Claude. But the real kicker? It's still completely free and open-source.
While R1-0528 may sound like a minor patch, it's anything but. This release packs stronger reasoning, sharper code generation, and benchmark-crushing performance — all while being accessible via Hugging Face or for free through OpenRouter.

Whether you're a developer building AI agents, a researcher testing LLM workflows, or a startup trying to cut OpenAI API costs — DeepSeek-R1-0528 could be your go-to model.
According to composite benchmarks like MMLU, GSM8K, BBH, and HumanEval, DeepSeek-R1-0528 scores a median 69.45 — a milestone for open-source models.
It has outperformed Claude Sonnet 4 and Gemini 2.5 Pro in several metrics, especially around code completion and reasoning. While GPT-4 still leads in overall performance, DeepSeek closes the gap significantly.
Source: Reddit review thread

These insights reflect a growing trust in DeepSeek's abilities but also highlight the need for more transparent evaluation and shared use cases.
While DeepSeek R1-0528 is impressive, it's not flawless:
You can access the model in two main ways:
➡️ DeepSeek-R1-0528 on Hugging Face
Download and run locally, fine-tune for your use case, or deploy to production.
Instant access via API. Great for prototyping apps without racking up OpenAI bills.
DeepSeek-R1-0528 is a bold step forward in the open-source AI landscape. It offers near-premium performance at zero cost, pushing the boundaries of what open models can do.
While it's not perfect — especially in smaller sizes — it's a solid alternative to commercial giants and a must-try for developers, researchers, and startups.
Want to build with it? Start testing now via Hugging Face or OpenRouter — and let us know what you build.