Model Comparison

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

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.

Microsoft

Phi 4 Reasoning

Microsoft

Phi 4 Reasoning is a language model developed by Microsoft. It achieves strong performance with an average score of 75.1% across 11 benchmarks. It excels particularly in FlenQA (97.7%), HumanEval+ (92.9%), IFEval (83.4%). The model shows particular specialization in code tasks with an average performance of 76.7%. It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents Microsoft's latest advancement in AI technology.

Microsoft

Phi 4 Reasoning

Microsoft

2025-04-30

xAI

Grok-4 Heavy

xAI

2025-07-09

2 months newer

Average performance across 3 common benchmarks

xAI

Grok-4 Heavy

+28.4%
Average Score:89.3%
Microsoft

Phi 4 Reasoning

Average Score:60.8%

Performance comparison across key benchmark categories

xAI

Grok-4 Heavy

general
+5.3%
79.5%
code
+2.7%
79.4%
Microsoft

Phi 4 Reasoning

general
74.3%
code
76.7%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

Grok-4 Heavy

2024-12-31

Phi 4 Reasoning

2025-03-01

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

xAI

Grok-4 Heavy

0 providers
Microsoft

Phi 4 Reasoning

0 providers
xAI

Grok-4 Heavy

+28.4%
Avg Score:89.3%
Providers:0
Microsoft

Phi 4 Reasoning

Avg Score:60.8%
Providers:0