Phi-4-reasoning

Phi-4-reasoning

Microsoft
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About

Phi-4-reasoning is a 14-billion parameter transformer-based language model optimized for complex reasoning tasks, including math, coding, algorithmic problem solving, and planning. Trained via supervised fine-tuning of Phi-4 on carefully curated "teachable" prompts and reasoning demonstrations generated using o3-mini, it generates detailed reasoning chains that effectively leverage inference-time compute. Phi-4-reasoning incorporates outcome-based reinforcement learning to produce longer reasoning traces. It outperforms significantly larger open-weight models such as DeepSeek-R1-Distill-Llama-70B and approaches the performance levels of the full DeepSeek-R1 model across a wide range of reasoning tasks. Phi-4-reasoning is designed for environments with constrained computing or latency. Fine-tuned with synthetic data generated by DeepSeek-R1, it provides high-quality, step-by-step problem solving.

About

StepFun is an all-in-one AI assistant powered by Deepseek-R1 that helps you acquire knowledge, summarize documents, and craft long-form content, whether you’re writing a novel or composing professional reports, while also enabling rich multimedia creation: generate images and videos from text prompts, ask questions about photos or automatically caption them, and solve daily problems through natural, free-flowing chat. It features a Discover Channel where you can explore trending prompts, share your creations, and connect with a creative community, and it adapts to your needs across work, study, language learning, and personal brainstorming, even offering empathetic companionship when you need to vent. Designed as a mobile-friendly app, StepFun unifies search, content generation, translation, and interactive multimedia in one smooth interface, keeping ideas flowing and tasks streamlined.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Educators and developers seeking an AI tool offering models for complex reasoning tasks

Audience

Individuals requiring a solution to research information, write and summarize text, and generate or interpret images and videos on the go

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Microsoft
Founded: 1975
United States
azure.microsoft.com/en-us/blog/one-year-of-phi-small-language-models-making-big-leaps-in-ai/

Company Information

StepFun
China
stepfun.ai/

Alternatives

Alternatives

Phi-4-reasoning

Phi-4-reasoning

Microsoft
Open R1

Open R1

Open R1
DeepSeek R1

DeepSeek R1

DeepSeek
DeepSeek R1

DeepSeek R1

DeepSeek
Gen-2

Gen-2

Runway

Categories

Categories

Integrations

Azure AI Foundry
DeepSeek R1
Hugging Face
Microsoft Azure

Integrations

Azure AI Foundry
DeepSeek R1
Hugging Face
Microsoft Azure
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