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CMM vs. CMMI: Know the Difference

Shumaila Saeed
By Shumaila Saeed || Published on February 4, 2024
CMM (Capability Maturity Model) focuses on software development process improvement, while CMMI (Capability Maturity Model Integration) integrates multiple process models.
CMM vs. CMMI

Key Differences

CMM, developed by SEI, provides a framework for software process improvement. CMMI, an evolution of CMM, integrates various models for process improvement across different areas.
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CMM lays out a 5-level maturity framework for software development processes. CMMI, on the other hand, expands this approach to include additional disciplines like services and product development.
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CMM primarily targets software development process maturity. CMMI extends the scope to provide a more comprehensive, integrated approach to process improvement.
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The focus of CMM is on identifying key practices at different maturity levels. CMMI integrates these practices into a single, improved model for broader application.
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While CMM was groundbreaking in the 1990s, CMMI, developed in the early 2000s, reflects more current practices and integrates various aspects of software and systems engineering.
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Comparison Chart

Development

Developed by SEI in the 1990s
Evolved from CMM, introduced in the early 2000s
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Focus Area

Primarily on software development processes
Broader, including software, product development, and services
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Maturity Levels

5 levels of process maturity
Similar levels, but with integrated disciplines
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Applicability

Specific to software process improvement
More comprehensive and integrated approach
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Evolution

Served as a foundation for process improvement models
An advancement incorporating multiple models
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CMM and CMMI Definitions

CMM

CMM outlines five levels of process maturity.
Our organization achieved level 3 on the CMM scale.
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CMMI

CMMI encompasses a wider range of disciplines beyond software.
We used CMMI to improve both our software development and service delivery.
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CMM

CMM is a framework for improving software development processes.
The company improved its software quality by adhering to CMM guidelines.
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CMMI

CMMI provides a structured approach to process improvement.
Our CMMI initiative led to more efficient and predictable project outcomes.
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CMM

CMM focuses on defining and refining key processes.*
Implementing CMM helped us streamline our project management practices.
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CMMI

CMMI is an integrated model that improves upon the original CMM.
CMMI has been instrumental in enhancing our interdisciplinary processes.
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CMM

CMM is a tool for organizations to assess their process maturity.
We conducted a CMM assessment to identify areas for process improvement.
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CMMI

CMMI includes detailed practices for process management and improvement.
Following CMMI practices, we significantly improved our product quality.
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CMM

CMM was developed by the Software Engineering Institute (SEI).
The SEI's CMM has been a pivotal model in software engineering.
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CMMI

CMMI is designed for application in varied organizational contexts.
Our diverse business units have successfully implemented CMMI strategies.
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CMM

Abbreviation of cubic millimetre
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Repeatedly Asked Queries

How many maturity levels does CMM have?

Five distinct levels.
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Is CMM still used?

Yes, though often in conjunction with newer models like CMMI.
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How does CMM impact project management?

Encourages structured and efficient project management practices.
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What is CMM?

A model for improving software development processes.
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How does CMM help in risk management?

By promoting systematic processes for identifying and mitigating risks.
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What is the main goal of CMM?

To improve software process maturity and quality.
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Can CMM be applied to non-software processes?

Primarily designed for software, but concepts can be adapted.
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What industries benefit most from CMM?

Mainly software development and IT industries.
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What are the key components of CMMI?

Process areas, practices, and maturity levels.
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Who developed CMM?

Developed by the Software Engineering Institute (SEI).
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Is training available for CMM?

Yes, various training programs exist.
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How is CMMI different from CMM?

It's more comprehensive and integrates various process models.
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What does CMMI stand for?

Capability Maturity Model Integration.
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Who hould consider using CMMI?*

Organizations seeking comprehensive process improvement across multiple areas.
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How does CMMI support organizational growth?

By providing a scalable framework for process improvement and efficiency.
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Can CMMI be applied to non-software fields?

Yes, including services and product development.
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Is CMMI relevant in today's industry?

Very relevant, particularly in multi-disciplinary organizations.
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How many levels are there in CMMI?

Five maturity levels, similar to CMM.
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Are there certifications available for CMMI?

Yes, organizations can pursue CMMI appraisals and certifications.
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What is the main benefit of implementing CMMI?

Improved process efficiency and quality across disciplines.
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About Author
Shumaila Saeed
Written by
Shumaila Saeed
Shumaila Saeed, an expert content creator with 6 years of experience, specializes in distilling complex topics into easily digestible comparisons, shining a light on the nuances that both inform and educate readers with clarity and accuracy.

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