Comprehensive side-by-side LLM comparison
Grok 4 Fast leads with 54.4% higher average benchmark score. Grok 4 Fast supports multimodal inputs. Overall, Grok 4 Fast is the stronger choice for coding tasks.
Gemini Diffusion was developed as a specialized model for image generation, designed to create high-quality visual content through diffusion-based techniques. Built to complement the text and multimodal capabilities of the Gemini family, it extends Google's AI capabilities into creative visual generation tasks.
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.
3 months newer

Gemini Diffusion
2025-05-20

Grok 4 Fast
xAI
2025-08-28
Context window and performance specifications
Average performance across 3 common benchmarks

Gemini Diffusion

Grok 4 Fast
Available providers and their performance metrics

Gemini Diffusion

Grok 4 Fast
xAI

Gemini Diffusion

Grok 4 Fast

Gemini Diffusion

Grok 4 Fast