Model Comparison

Comprehensive side-by-side analysis of model capabilities and performance

xAI

Grok-2 mini

xAI

Grok-2 mini is a multimodal language model developed by xAI. It achieves strong performance with an average score of 74.0% across 8 benchmarks. It excels particularly in DocVQA (93.2%), MMLU (86.2%), HumanEval (85.7%). As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents xAI's latest advancement in AI technology.

xAI

Grok-4 Heavy

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%). The model shows particular specialization in general tasks with an average performance of 79.5%. 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.

xAI

Grok-2 mini

xAI

2024-08-13

xAI

Grok-4 Heavy

xAI

2025-07-09

11 months newer

Average performance across 1 common benchmarks

xAI

Grok-2 mini

Average Score:51.0%
xAI

Grok-4 Heavy

+37.4%
Average Score:88.4%

Performance comparison across key benchmark categories

xAI

Grok-2 mini

code
+6.3%
85.7%
general
69.7%
xAI

Grok-4 Heavy

code
79.4%
general
+9.8%
79.5%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

Grok-4 Heavy

2024-12-31

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

xAI

Grok-2 mini

0 providers
xAI

Grok-4 Heavy

0 providers
xAI

Grok-2 mini

Avg Score:51.0%
Providers:0
xAI

Grok-4 Heavy

+37.4%
Avg Score:88.4%
Providers:0