Plain-English Summary
A compact Microsoft model designed for strong reasoning and math relative to its size.
Phi-4
A compact Microsoft model designed for strong reasoning and math relative to its size.
Phi-4
General LLM
GA / open weights
Open weights: Yes
API: Yes and self-hosted
Technical Notes
14B dense text model with 16K context, instruction tuning, and open weights under the MIT license.
Best For
Private assistants, math, reasoning, efficient self-hosted applications
Watch Out For
Shorter context and lower broad knowledge than larger frontier models.
Model Specs
- Maker
- Microsoft
- Country
- USA
- Family
- Phi-4
- Type
- General LLM
- Release date
- 2024-12-12
- Date confidence
- Exact
- Status
- GA / open weights
- Context window
- 16,384 tokens
- Max output
- 16,384
- Parameters
- 14B
- Active parameters
- 14B
- Architecture
- Dense transformer
- Reasoning
- Strong general reasoning
- Tool calling
- Host dependent
- Structured output
- Host dependent
- API available
- Yes and self-hosted
- Open weights
- Yes
- Self-hostable
- Yes
- License
- MIT
- Inputs
- Text
- Outputs
- Text
- Approx. price
- See provider pricing
- How to access
- Provider website
- Model / API ID
- Phi-4
- Knowledge cutoff
- Not publicly disclosed
- Fine-tuning
- Fine-tuning, quantization, self-hosting
- Completeness
- 100 %
- Verified
- Jul 18, 2026
- Snapshot date
- Jul 18, 2026
- Source
- Official source