Comprehensive side-by-side LLM comparison
. Both models have their strengths depending on your specific coding needs.
xAI
Grok 4 Fast is a multimodal language model developed by xAI. It achieves strong performance with an average score of 73.0% across 7 benchmarks. It excels particularly in SimpleQA (95.0%), HMMT 2025 (93.3%), AIME 2025 (92.0%). With a 2.0M token context window, it can handle extensive documents and complex multi-turn conversations. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents xAI's latest advancement in AI technology.
MedGemma 4B was developed as a domain-specialized open-source model focused on medical and healthcare applications. Built with 4 billion parameters and training data relevant to medical contexts, it provides researchers and healthcare developers with a foundation model tailored to biomedical language understanding and generation.
3 months newer

MedGemma 4B IT
2025-05-20

Grok 4 Fast
xAI
2025-08-28
Context window and performance specifications
Available providers and their performance metrics

Grok 4 Fast
xAI

MedGemma 4B IT

Grok 4 Fast

MedGemma 4B IT

Grok 4 Fast

MedGemma 4B IT