When was Phi 4 Mini released?

Phi 4 Mini was released on February 1, 2025 by Microsoft. This is the official Phi 4 Mini release date tracked on LLM Stats.

How big is Phi 4 Mini?

Phi 4 Mini has 3.8 billion parameters. It was trained on 5.0 trillion tokens. It ships as an open-weight model, so you can download and run it on your own hardware.

Who created Phi 4 Mini?

Phi 4 Mini was created by Microsoft.

What is the license for Phi 4 Mini?

Phi 4 Mini is released under the MIT license. This is an open-source / open-weight license that permits self-hosting.

What is the knowledge cutoff date for Phi 4 Mini?

Phi 4 Mini has a knowledge cutoff of June 2024, meaning it was trained on data up to that point and may not know about events after it.

Where is the Phi 4 Mini paper or technical report?

Phi 4 Mini has a paper or technical report available at https://arxiv.org/pdf/2503.01743. Use that source for architecture, training, release and evaluation details.

What models should I compare Phi 4 Mini against?

Common Phi 4 Mini comparisons include Phi 4 Mini vs Claude 3 Opus, Phi 4 Mini vs Llama 3.2 90B Instruct, Phi 4 Mini vs Granite 3.3 8B Instruct. Compare them side by side for benchmark scores, pricing, context window, latency and API availability.

Phi 4 Mini API Pricing, Context Window & Benchmarks

Name: Phi 4 Mini
Author: Microsoft

Phi 4 Mini: API Pricing, Context Window & Benchmarks

Phi 4 Mini is a language model from Microsoft, released in February 2025.

Phi 4 Mini Instruct is a lightweight (3.8B parameters) open model built upon synthetic data and filtered web data, focusing on high-quality reasoning. It supports a 128K token context length and is enhanced for instruction adherence and

Phi 4 Mini benchmarks

Rankings

Quality Tracker

Phi 4 Mini Performance Across Datasets

Scores sourced from the model's scorecard, paper, or official blog posts

llm-stats.com - Sat Aug 01 2026

Notice missing or incorrect data?

Phi 4 Mini model size

Phi 4 Mini has 3.8 billion parameters and was trained on 5 trillion tokens. See how it compares to other models in the same parameter range.

ParametersTraining tokens

3.8B

5Ttokens

1302× tokens-to-params ratio

Small (3–10B)

3.8B

1B7B70B405B

Phi 4 Mini API

API availability not verified

API availability for Phi 4 Mini has not been verified. It is not currently routed through the LLM Stats gateway.

Phi 4 Mini latency

Phi 4 Mini time to first token, sustained output throughput, and failed-request rate from live API traffic over the trailing 7 days.

Phi 4 Mini examples

Recent arena outputs from Phi 4 Mini, picked from the highest-ranked matchups.

Phi 4 Mini license

Phi 4 Mini is released under the MIT license, which permits commercial use, has 3.8B parameters, has a knowledge cutoff of June 2024.

License: MIT; Commercial use allowed
Parameters: 3.8B
Knowledge cutoff: June 2024

MIT License - allows commercial use

Phi 4 Mini resources

Official sources for Phi 4 Mini: paper or system card, official launch post, model weights.

Phi 4 Mini vs other models

The most-compared alternatives to Phi 4 Mini are Claude 3 Opus, Llama 3.2 90B Instruct, Granite 3.3 8B Instruct. Open any pair side-by-side for benchmarks, pricing, context, and latency.