Open Relationship Vs. Polyamory: Key Differences

Medically reviewed by Julie Dodson, MA
Updated April 1, 2024by BetterHelp Editorial Team

According to a 2020 poll, about one-third of adults may prefer non-monogamy to monogamy. The younger the adult, the more likely they may be to consider a non-monogamous relationship as a viable option, the poll suggests. While non-monogamous relationships may be on the rise in terms of interest and acceptance, many people have sought alternatives to monogamy during different periods in history. 

In a nutshell, an open relationship can be defined by having one central relationship but mutually agreeing that either one or both partners may see other people. Broadly speaking, it may also refer to any type of consensual, non-monogamous relationship. Meanwhile, a polyamorous relationship generally involves being in a romantic relationship with multiple people at once. There can also be different polyamorous dynamics, such as solo polyamory and hierarchical polyamory. To further explore these relationship types with the help of a licensed professional, consider scheduling a therapy session in person or online.

A man in a red shirt chops vegitables in the kitchen with a smile while his female partner gives him a hug.
Getty/Tara Moore
Navigate your relationship with professional guidance

Similarities between polyamorous and open relationships

Both polyamorous and open relationships can be practiced as forms of ethical non-monogamy, as they both typically consist of consensual arrangements between or among individuals. 

Ethical non-monogamy usually refers to relationships in which more than two adults consent to a non-monogamous arrangement, whether it be romantic, sexual, or both. 

In some polyamorous arrangements, there may be a primary or central relationship, which can be similar to an open relationship dynamic in this respect. 

Differences between polyamorous and open relationships

In open relationships, one or both partners may initially express a wish to explore sexual relationships with others while still sharing sexual and emotional intimacy with their main partner. This kind of arrangement may offer partners a way to explore desires or needs outside of their relationship. For some couples, opening their relationship may offer a way to enhance or promote individual or joint satisfaction in the relationship, potentially bringing more excitement and connection to the couple's dynamics. 

Depending on their agreement, couples in an open relationship may or may not talk about their experiences with others. Some couples may choose to keep their encounters discreet, while others may practice swinging by having sexual encounters together. 

Polyamorous relationships are generally characterized by being receptive to having a romantic relationship with more than one individual at the same time. Poly people may describe themselves as being in love or emotionally involved with more than one person. The root word “poly” in Greek generally means "many," whereas “amor” usually means "love" in Latin. 

In some polyamorous arrangements, no single relationship may be prioritized over the other, while in others, there may be a primary or central relationship.

Due to the emotional intimacy in polyamorous dynamics, there may be more open communication about the different relationships among partners. It may also be egalitarian in that all members of the group may spend time or live together. 

In some relationships, two individuals could be dating one person, or the primary relationship could consist of three people. There can be many other configurations and arrangements, however, such as a married couple dating another couple, or a single person dating one partnered person. 

Poly groups may or may not be dating or be receptive to adding someone else to their dynamic, however. When poly relationships are closed, there may be an expectation that no new romantic partner is added to the group. 

Types of polyamory 

Within polyamory, there may be various arrangements.

A male and female couple sit side by side on the couch and smile at one another while turning in to look at each other and holding mugs of coffee.
Getty/PixelsEffect

Mono/poly relationship

In this type of dynamic, one partner may identify as poly, whereas the other may be monogamous. 

Poly fidelity

This term generally refers to restricting intimacy to certain members of a poly group. For example, a partner's lover may only be romantically involved with them. 

Solo polyamory

Polyamorous people can also be solo polyamorous (also known as solo poly), which generally refers to being open to intimate relationships and emotional connections with more than one person without having a primary partner. 

A person who identifies as solo poly might see themselves as their own partner, eschewing more typical relationship dynamics and expectations, such as cohabitating or getting married. For some people, this may be a way to explore sexual attraction to different individuals without conforming to heteronormative values. 

While some solo polys may regularly experience sexual attraction, others may identify as asexual while engaging in meaningful non-sexual relationships. They may also prioritize other relationships in their lives over their romantic relationships. 

Hierarchical polyamory

In a hierarchical dynamic, one main relationship is usually recognized as being more central or primary than the others. 

Guidelines for polyamory and open relationships

Regardless of the arrangement, honesty and respect are often highly valued in alternative relationships. In a polyamorous relationship, for example, this would typically entail treating all members kindly and with compassion. Openly communicating your needs, taking responsibility for your actions, and recognizing that others may have different needs or preferences may be seen as cornerstones to building healthy relationships, no matter the configuration. 

A male couple stand outside on a sunny day and wrap their arms around each others shoulder while smiling at one another.
Getty/FG Trade
Navigate your relationship with professional guidance

Considering therapy

Novelty in a relationship can be both exciting and daunting for many people. If you and your partner are considering alternatives to monogamy, you may wish to speak to a therapist to help you navigate your new arrangement or explore alternatives in a healthy way. 

Benefits of online therapy

An online therapy platform like BetterHelp may allow you to express your thoughts and concerns from the boundaries of your own home. You can schedule a convenient session with a licensed therapist by phone, video, or in-app messaging. The ease of communication can be especially helpful if you've reached a challenging conflict you’d like to address as soon as possible.

Effectiveness of online therapy

According to a 2022 study evaluating the efficacy of online couples therapy, “the results indicated improvements in relationship satisfaction, mental health, and all other outcome scores over time.” Online couples therapy may be a valid alternative to face-to-face relationship counseling.

Takeaway 

An open relationship can be defined as one central relationship with a mutual agreement that either or both partners may see other people. It can also refer to any type of consensual non-monogamous relationship within the spectrum of such relationships. A polyamorous relationship typically refers to being in a significant, loving relationship with more than one person and could entail various configurations. There can be different polyamorous dynamics, such as solo polyamory and hierarchical polyamory. Regardless of the arrangement, honesty and respect tend to be highly valued. Moreover, communicating needs, taking responsibility for actions, and recognizing that others may have different needs or preferences can be important for building healthy relationships, regardless of the specific arrangement. If you or your partner are considering alternatives to monogamy, speaking with a therapist may help you navigate your new arrangement, address challenges, or explore alternatives in a healthy, respectful way.

Build healthy relationship habits with a professional
The information on this page is not intended to be a substitution for diagnosis, treatment, or informed professional advice. You should not take any action or avoid taking any action without consulting with a qualified mental health professional. For more information, please read our terms of use.
Get the support you need from one of our therapistsGet started