Run it yourself
estimateFits on✓ 8 GB (phone, laptop) · compressed✓ 16 GB · 8-bit✓ 24 GB GPU · 8-bit✓ 48 GB GPU · full quality✓ 80 GB GPU · full quality
LicenceMITfree for commercial use
Benchmarks
all categoriesChat & Knowledge
MMLU-Pro · official boardlab76
FAQ
How much does Phi 4 Reasoning Plus cost?›
$0.07 per 1M input tokens and $0.35 per 1M output tokens (cheapest host: DeepInfra).
Is Phi 4 Reasoning Plus free to use?›
There is no free API; the cheapest paid price is $0.07 per 1M input tokens. The weights are open, so you can run it yourself.
How can I use Phi 4 Reasoning Plus?›
Through the API of DeepInfra.
What is the context window of Phi 4 Reasoning Plus?›
33K tokens.
When was Phi 4 Reasoning Plus released? Is there a newer version?›
Released 2025-04-17. It is the current version in its line.
Is Phi 4 Reasoning Plus open source?›
Yes, the weights are open (MIT licence).
Can I run Phi 4 Reasoning Plus locally?›
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
Can Phi 4 Reasoning Plus read images?›
No, it accepts text only.
What is Phi 4 Reasoning Plus?›
Phi 4 Reasoning Plus is an open-weights language model from Microsoft, released Apr 2025.