Comprehensive side-by-side LLM comparison
Both models show comparable benchmark performance. Grok-4 Heavy supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
Gemini Diffusion is a language model developed by Google. The model shows competitive results across 10 benchmarks. It excels particularly in HumanEval (89.6%), MBPP (76.0%), Global-MMLU-Lite (69.1%). Released in 2025, it represents Google's latest advancement in AI technology.
xAI
Grok-4 Heavy is a multimodal language model developed by xAI. It achieves strong performance with an average score of 79.5% across 6 benchmarks. It excels particularly in AIME 2025 (100.0%), HMMT25 (96.7%), GPQA (88.4%). 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.
1 month newer
Gemini Diffusion
2025-05-20
Grok-4 Heavy
xAI
2025-07-09
Average performance across 13 common benchmarks
Gemini Diffusion
Grok-4 Heavy
Grok-4 Heavy
2024-12-31
Available providers and their performance metrics
Gemini Diffusion
Grok-4 Heavy
Gemini Diffusion
Grok-4 Heavy