Chinese lab DeepSeek released an updated version of its R1 reasoning AI model that performs well on a number of math and coding benchmarks. The company didn’t reveal the source of the data it used to train the model,

Since the internet is filled with AI-generated content, it can be hard to tell where training data originally came from.

Key Takeaways DeepSeek’s R1-0528 update reduced hallucinations by 45–50% and now rivals Gemini 2.5 Pro in reasoning tasks.Developers claim R1-0528 mimics Gemini