Phi-4 Review 2026
MicrosoftLarge Language Model2024-124.3/5
Overview
Microsoft's small language model demonstrating that carefully curated training data can produce remarkable capabilities in a compact 14B parameter package. Excels at reasoning and STEM tasks.
ProviderMicrosoft
Context Window16K tokens
PricingFree (open-source) / $0.07/$0.14 per 1M tokens (hosted)
Capabilities
- ✓ Text generation
- ✓ Mathematical reasoning
- ✓ Code generation
- ✓ Scientific analysis
- ✓ Instruction following
- ✓ Structured outputs
Pricing
Free (open-source) / $0.07/$0.14 per 1M tokens (hosted)
Pros & Cons
Pros
- +Exceptional reasoning for its small parameter count
- +Runs efficiently on consumer hardware and edge devices
- +Free and open-source under MIT license
- +Outstanding STEM and mathematical performance
Cons
- -Limited context window of only 16K tokens
- -Struggles with long-form creative writing
- -Narrower knowledge base than larger models
Frequently Asked Questions
What is Phi-4?▾
Microsoft's small language model demonstrating that carefully curated training data can produce remarkable capabilities in a compact 14B parameter package. Excels at reasoning and STEM tasks.
How much does Phi-4 cost?▾
Phi-4 pricing: Free (open-source) / $0.07/$0.14 per 1M tokens (hosted)
What is the context window for Phi-4?▾
Phi-4 supports a context window of 16K tokens.
When was Phi-4 released?▾
Phi-4 was released on 2024-12 by Microsoft.