Phi-4
Microsoft Research's 14B reasoning small model. Punches well above its weight on math and code, and runs on a single GPU.
Phi-4 is a reasoning AI model from Microsoft. It costs $0.070 per million input tokens and $0.280 per million output tokens (blended $0.133/M), with a 16,000-token context window.
0.0%over 91 days · hover to read
- 14B fits one GPU
- Strong math/code for size
- Permissive license
- On-prem reasoning
- Edge inference
- Distillation studies
Benchmarks
More from Microsoft
See all 8 →Price history
1 recorded change| Date | Rate | Was | Now | Change |
|---|---|---|---|---|
| 24 Jun 2026 | Input | $0.065 | $0.070 | +7.7% |
Rates per million tokens, as published by the provider or its router listing. Tracking runs since 3 May; anything earlier is not on record. See every tracked price change.
Frequently asked questions
How much does Phi-4 cost?
Phi-4 costs $0.070 per million input tokens and $0.280 per million output tokens, for a blended reference rate of $0.133 per million tokens.
What is Phi-4's context window?
Phi-4 supports up to 16,000 tokens of context in a single request.
What is Phi-4 best for?
Phi-4 is well suited to 14B fits one GPU, Strong math/code for size and Permissive license.
Who makes Phi-4?
Phi-4 is developed and served by Microsoft.