Introduction
What is Phi 4?
Phi 4 (phi-4) is Microsoft's 14B state-of-the-art open model, released under the MIT license. It was built upon a blend of synthetic datasets, data from filtered public domain websites, and acquired academic books and Q&A datasets, so that small capable models are trained on high quality, reasoning-focused data.
Use Phi 4 on phi4.lol
You do not need to install anything to try Phi 4:
- Sign in with your Google account and claim your starter credits.
- Open a chat from the chat experience.
- Every generation draws from your credits, top up anytime from the pricing page.
Model facts
- 14B parameters, MIT license
- Available in GGUF formats: the smallest phi-4 needs at least 2 GB of RAM, the largest may require up to 8 GB
- Strong at reasoning, math, and code: MMLU 84.8, GPQA 56.1, MGSM 80.6, MATH 80.4, HumanEval 82.6
- Built for memory/compute constrained environments and latency bound scenarios
Technical report: https://arxiv.org/pdf/2412.08905