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 Plus

Microsoft

Phi 4 Reasoning Plus is a language model developed by Microsoft. It achieves strong performance with an average score of 78.9% across 11 benchmarks. It excels particularly in FlenQA (97.9%), HumanEval+ (92.3%), IFEval (84.9%). 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 Plus

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

+22.6%
Average Score:89.3%
Microsoft

Phi 4 Reasoning Plus

Average Score:66.7%

Performance comparison across key benchmark categories

xAI

Grok-4 Heavy

general
+0.2%
79.5%
code
+2.6%
79.4%
Microsoft

Phi 4 Reasoning Plus

general
79.3%
code
76.8%
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 Plus

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 Plus

0 providers
xAI

Grok-4 Heavy

+22.6%
Avg Score:89.3%
Providers:0
Microsoft

Phi 4 Reasoning Plus

Avg Score:66.7%
Providers:0