Comprehensive side-by-side LLM comparison
Phi 4 Reasoning Plus leads with 29.0% higher average benchmark score. Overall, Phi 4 Reasoning Plus is the stronger choice for coding tasks.
xAI
Grok 1.5 was developed by xAI as an advanced language model, designed to provide helpful and accurate information with a focus on reasoning and factual knowledge. Built to serve as a conversational AI with strong analytical capabilities, it represents xAI's early generation of foundation models.
Microsoft
Phi-4 Reasoning Plus was created as an enhanced reasoning variant, designed to provide even deeper analytical capabilities within the Phi-4 family. Built to maximize reasoning quality while maintaining the efficiency benefits of small models, it represents the most capable reasoning-focused option in the Phi-4 series.
1 year newer

Grok-1.5
xAI
2024-03-28

Phi 4 Reasoning Plus
Microsoft
2025-04-30
Average performance across 2 common benchmarks

Grok-1.5

Phi 4 Reasoning Plus
Phi 4 Reasoning Plus
2025-03-01
Available providers and their performance metrics

Grok-1.5

Phi 4 Reasoning Plus

Grok-1.5

Phi 4 Reasoning Plus