MicrosoftChat

Phi 4 Reasoning Plus

phi-4-reasoning-plus

Phi 4 Reasoning Plus by Microsoft.

Context: 32.8K tokens
Endpoint

Pricing

Input$0.07 / 1M

Output$0.35 / 1M

Cache Write (5m)$0.07 / 1M

Cache Write (1h)$0.07 / 1M

Cache Read$0.07 / 1M

Web Search$0 / 1M

Quick Start

Select an endpoint and copy a working example for this model.

Endpoint

python

from openai import OpenAI client = OpenAI(    api_key="YOUR_API_KEY",    base_url="https://api.apertis.ai/v1") response = client.chat.completions.create(    model="phi-4-reasoning-plus",    messages=[        {"role": "user", "content": "Hello!"}    ],    max_tokens=1024,    temperature=0.7) print(response.choices[0].message.content) # Optional: Enable context compression to reduce token usage# response = client.chat.completions.create(#     model="phi-4-reasoning-plus",#     messages=[{"role": "user", "content": "Hello!"}],#     extra_body={"compression": {"enabled": True, "model": "gpt-4.1-mini"}}# )

Supported Parameters

API docs

Common7 params

modelmessagesmax_tokenstemperaturetop_pstreamtools

Extended4 params

reasoning_effortstream_optionsthinkingextra_body

Cursor IDE Model IDs

Use these namespaced identifiers in Cursor IDE to avoid conflicts with built-in models.

phi-4-reasoning-plus

Questions about Phi 4 Reasoning Plus

How much does Phi 4 Reasoning Plus cost on Apertis?

Phi 4 Reasoning Plus costs $0.07 per 1M input tokens and $0.35 per 1M output tokens on Apertis.

What is Phi 4 Reasoning Plus's context window?

Phi 4 Reasoning Plus has a context window of 32.8K tokens.

Which company develops Phi 4 Reasoning Plus?

Phi 4 Reasoning Plus is developed by Microsoft.

Which model ID do I use to call Phi 4 Reasoning Plus?

Use the model ID phi-4-reasoning-plus to call Phi 4 Reasoning Plus.

Compare with Other Models

See how this model compares to others from the same provider.

MAI-Transcribe 2

Microsoft MAI-Transcribe-2 speech-to-text. Billed per second of audio.

Context: N/A
Input: — (Not priced per input token)
Output: — (Not priced per output token)

MAI-Voice-2-Flash

Microsoft MAI-Voice-2 Flash text-to-speech. Billed per input character.

Context: N/A
Input: — (Not priced per input token)
Output: — (Not priced per output token)

Phi 4 Multimodal Instruct

Context: 131.1K
Input: $0.07/M
Output: $0.14/M

Phi-4

Context: 16.4K
Input: $0.21/M
Output: $0.42/M