MicrosoftReleased on Dec 12, 2024

Phi 4: Benchmarks, Pricing & Context Window

Phi 4 is a language model from Microsoft, released in December 2024.

phi-4 is a state-of-the-art open model built to excel at advanced reasoning, coding, and knowledge tasks. It leverages a blend of synthetic data, filtered web data, academic texts, and supervised fine-tuning for precision, alignment, and

Input
Text
Output
Text
Speed
TTFT200ms
Throughput33.0char/s
Cost
$0.08/ 1M · 8:1 in:out
$0.07 in · $0.14 out

Phi 4 pricing

Providers

Phi 4 starts at $0.0700 per million input tokens and $0.140 per million output tokens via DeepInfra.

ProviderInput $/MOutput $/MMax InputMax OutputLatency sThroughputQuantInputOutput
DeepInfra logoDeepInfra
$0.0700$0.14016.0K16.0K
0.20
33 c/s
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Phi 4 API

API access coming soon

Phi 4 will be available through our gateway shortly.

Phi 4 examples

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

Phi 4 license

Phi 4 is released under the MIT license, which permits commercial use, has 14.7B parameters, has a knowledge cutoff of June 2024.

License
MIT
Commercial use allowed
Parameters
14.7B
Knowledge cutoff
June 2024

MIT License - allows commercial use

FAQ

Common questions about Phi 4.

When was Phi 4 released?

Phi 4 was released on December 12, 2024 by Microsoft. This is the official Phi 4 release date tracked on LLM Stats.

Is Phi 4 available via API?

Yes, Phi 4 is available via API. See the official documentation for authentication and endpoint details. It is served by 1 provider tracked on LLM Stats.

How many parameters does Phi 4 have?

Phi 4 has 14.7 billion parameters. It ships as an open-weight model, so you can download and run it on your own hardware.

Who created Phi 4?

Phi 4 was created by Microsoft.

What is the license for Phi 4?

Phi 4 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?

Phi 4 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 can I use Phi 4?

Phi 4 is available through 1 provider including DeepInfra.

Where is the Phi 4 paper or technical report?

Phi 4 has a paper or technical report available at https://arxiv.org/pdf/2412.08905. Use that source for architecture, training, release and evaluation details.