Comprehensive side-by-side LLM comparison
Phi 4 Reasoning Plus leads with 3.7% higher average benchmark score. Both models have their strengths depending on your specific coding needs.
Microsoft
Phi-4 Reasoning was developed to incorporate extended analytical thinking into the Phi-4 architecture, designed to spend more time on complex problem-solving. Built to combine compact model efficiency with reasoning depth, it represents Microsoft's exploration of thoughtful small 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.
Launched on the same date

Phi 4 Reasoning
Microsoft
2025-04-30

Phi 4 Reasoning Plus
Microsoft
2025-04-30
Average performance across 11 common benchmarks

Phi 4 Reasoning

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

Phi 4 Reasoning

Phi 4 Reasoning Plus

Phi 4 Reasoning

Phi 4 Reasoning Plus