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Phi-4-reasoning

A state-of-the-art open-weight reasoning model finetuned from Phi-4 using supervised fine-tuning on chain-of-thought traces plus reinforcement learning; responses contain a reasoning chain-of-thought block followed by a summarization block.

text → text · made by Microsoft

$0.12$0.5per Mtok in / out
Microsoft Azure AI

Sold by 1 way

SellerLaneRate
Microsoft Azure AI cloudstandard$0.12per Mtok in$0.5per Mtok outmodels.dev · read 2026-09-16

About

Phi-4-reasoning — a text model from Microsoft, sold by one company from $0.12 in and $0.5 out per million tokens.

It takes text and returns text, with a context window of 32,768 tokens. It was published in December 2024, trained on material up to October 2023. Its sellers say it can reason step by step. The catalogue files it under evaluate and reasoning. Only Microsoft Azure AI sells it, at $0.12 in and $0.5 out per million tokens.

Every current figure

Maker
Microsoft
Register
model
Takes
text
Returns
text
Context
32,768 tokens
Longest answer
4,096 tokens
Published
December 2024
Knowledge to
October 2023
Sellers
1
Maker's own price
not read
Price
$0.12 in and $0.5 out per million tokens — Microsoft Azure AI