Model Tracker
Phi-4-reasoning-plus
Phi-4-reasoning-plus is an AI model made by Microsoft. Microsoft released it on 30 April 2025. It is generally available. It takes text and returns text.
In inglese
Phi-4-reasoning-plus is an AI model made by Microsoft. Microsoft released it on 30 April 2025. It is generally available. It takes text and returns text. Its context window is 32,000 tokens. Its weights are open. Its licence is MIT. Its knowledge cutoff is March 2025.
- Released
- 30 April 2025 — huggingface.co, read 16 October 2026
- Status
- Generally available — azure.microsoft.com, read 16 October 2026
- Takes
- Text — huggingface.co, read 16 October 2026
- Returns
- Text — huggingface.co, read 16 October 2026
- Open weights
- Yes — huggingface.co, read 16 October 2026
- Licence
- MIT — huggingface.co, read 16 October 2026
- Context window
- 32,000 tokens — huggingface.co, read 16 October 2026
- Longest answer
- Not confirmed: The model card and pricing page do not print a standard maximum output-token limit. The example generation setting is not identified as the standard limit.
- Knowledge cutoff
- March 2025 — huggingface.co, read 16 October 2026
- API price, input
- Not confirmed: The maker's pricing table shows “$-” for this model rather than an input price amount.
- API price, output
- Not confirmed: The maker's pricing table shows “$-” for this model rather than an output price amount.
- Where
- Downloadable weights, Cloud marketplaces — azure.microsoft.com, read 16 October 2026
- Parameters
- 14,000,000,000 parameters — huggingface.co, read 16 October 2026
- Model card
- Not confirmed: two readings disagree: https://huggingface.co/microsoft/Phi-4-reasoning-plus and https://ai.azure.com/catalog/models/microsoft-phi-4-reasoning-plus
Questions
When was Phi-4-reasoning-plus released?
Microsoft released Phi-4-reasoning-plus on 30 April 2025.
Is Phi-4-reasoning-plus still available?
Yes: it is generally available, as Microsoft states it.
What is the context window of Phi-4-reasoning-plus?
The context window of Phi-4-reasoning-plus is 32,000 tokens, as Microsoft prints it.
Are the weights of Phi-4-reasoning-plus open?
Yes: Microsoft publishes the weights of Phi-4-reasoning-plus for download.
What is the licence of Phi-4-reasoning-plus?
The licence of Phi-4-reasoning-plus is MIT, as Microsoft names it.
What does Phi-4-reasoning-plus take and return?
Phi-4-reasoning-plus takes text and returns text.
What is the knowledge cutoff of Phi-4-reasoning-plus?
The knowledge cutoff of Phi-4-reasoning-plus is March 2025.
How many parameters does Phi-4-reasoning-plus have?
Phi-4-reasoning-plus has 14,000,000,000 parameters parameters, as Microsoft publishes it.
More from Microsoft
- Aurora
- Fara1.5-27B
- Fara1.5-4B
- Fara1.5-9B
- MAI-DS-R1
- MAI-Image-2
- MAI-Image-2-Efficient
- MAI-Image-2.5
- MAI-Image-2.5-Flash
- MAI-Image-2.5-Pro
- MAI-Image-2.6
- MAI-Image-2.6-Flash
- MAI-Thinking-1
- MAI-Transcribe-1
- MAI-Transcribe-2
- MAI-Voice-1
- Orca 2
- Phi Silica
- Phi-3-mini-4k-instruct
- Phi-3-small-128k-instruct
- Phi-3-small-8k-instruct
- Phi-4-reasoning-vision-15B
Sources
- microsoft/Phi-4-reasoning-plus (read 16 October 2026)
- One year of Phi: Small language models making big leaps in AI (read 16 October 2026)
- Foundry Models Pricing (read 16 October 2026)