ABA Therapy vs. Speech Therapy: What’s the Difference?

Quick Answer

ABA therapy vs speech therapy isn’t an either/or comparison. ABA targets behavior, skill-building, and independence, led by a BCBA. Speech therapy targets communication itself, receptive and expressive language, articulation, and AAC, led by a speech-language pathologist. The two are evaluated separately, and many children need both, run on coordinated tracks.

When a family first hears both terms in the same evaluation meeting, the question is almost always the same: do we need ABA therapy, speech therapy, or both?

What ABA Therapy Targets

ABA therapy targets the building blocks of independence: behavior, skills, and daily functioning. A Board Certified Behavior Analyst (BCBA) designs an individualized treatment plan based on a functional assessment, and Registered Behavior Technicians (RBTs) deliver day-to-day sessions using positive reinforcement to teach and strengthen new skills. The CDC’s overview of autism treatment approaches confirms that behavioral approaches like ABA currently have the strongest evidence base among autism interventions.

In practice, ABA sessions commonly work on:

• Reducing behaviors that get in the way of learning, such as tantrums, elopement, self-injury, or aggression
• Building daily living skills, including toileting, dressing, feeding, and following routines
• Teaching social and play skills, like turn-taking, sharing, and joint attention with peers
• Increasing compliance and safety awareness, such as following instructions and staying with a caregiver in public

In our experience reviewing intake assessments, families often come in assuming ABA is only for “problem behavior.” In practice, most treatment plans spend as much time on skill acquisition, teaching a child to request a break appropriately, for example, as they do on reducing a specific behavior. The behavior reduction is usually just the visible symptom of a missing skill.

ABA does touch communication (a BCBA may work on requesting, labeling, or basic language use), but it treats communication as one behavior among many, not as its primary clinical focus. That’s the core of the ABA therapy vs speech therapy distinction: ABA builds the behavior and independence layer underneath everything else.

Our ABA therapy services page has more detail on how a treatment plan gets built, and our post on how ABA therapy supports your child’s development goes deeper into what a typical week of sessions actually looks like.

What Speech Therapy Targets

Speech therapy targets how a child communicates: understanding language (receptive), producing language (expressive), articulation, and, when needed, augmentative and alternative communication (AAC).

A speech-language pathologist (SLP) evaluates and treats:

• Receptive language, such as following directions and understanding questions
• Expressive language, including forming sentences and initiating conversation
• Articulation and fluency, covering clarity of speech sounds and stuttering
• Pragmatic (social) language, like reading tone and taking conversational turns
• AAC support, including picture systems and speech-generating devices for children who are nonverbal or minimally verbal

The National Institute on Deafness and Other Communication Disorders notes that communication challenges are one of the core, defining features of autism spectrum disorder, which is exactly why speech therapy carries its own dedicated evaluation track rather than being folded into a general behavioral assessment.

Does My Child Need Speech Therapy or ABA?

If the main concern is that a child isn’t talking yet, the direct answer is usually speech therapy first, or speech therapy alongside ABA, because building expressive language sits squarely in an SLP’s clinical domain. An ABA team can reinforce those same words throughout the rest of the day, but the language-building itself is speech therapy’s job.

If the main concern is instead behavior, safety, or daily living skills, an ABA evaluation is the right starting point. Most families weighing ABA therapy vs speech therapy end up needing both conversations, just not necessarily at the same time.

ABA Therapy vs Speech Therapy: Quick Comparison

Focus Area	ABA Therapy	Speech Therapy
Primary lens	Behavior and skill acquisition	Communication and language
Led by	BCBA (plan), RBT (sessions)	Speech-language pathologist
Common goals	Daily living skills, reducing interfering behaviors, social skills	Expressive/receptive language, articulation, AAC use
Typical setting	Home, clinic, community	Clinic, school, sometimes telehealth
Overlap	Reinforces communication attempts throughout the day	Coordinates goals with the behavior team

Explore our speech therapy services or, if sensory and motor skills are also a concern, our occupational therapy page, since speech and OT are often evaluated together.

The Part Most Families Don’t Expect: They’re Evaluated Differently

This is the detail that trips up more families than anything else: ABA and speech therapy don’t come from a single evaluation. They run through two separate processes, and completing one does not automatically authorize the other.

ABA services are typically tied to a Comprehensive Multi-Disciplinary Evaluation (CMDE) or an EIDBI-specific assessment, depending on your state’s early intervention framework. That evaluation establishes medical necessity for behavioral services and outlines the individualized treatment plan a BCBA will build from. Our CMDE and EIDBI assessment process explains how that first evaluation works, but it’s worth repeating here: a CMDE opens the door to ABA services specifically, not to speech services as well.

How Is Speech Therapy Evaluated for Autism?

Speech therapy (and often occupational therapy) is evaluated separately, frequently through a contracted partner agency with its own intake, its own SLP evaluation, and its own authorization timeline. A speech-language pathologist conducts standardized language testing, clinical observation, and often an AAC needs assessment, entirely apart from the CMDE. The CDC’s diagnostic overview for autism spectrum disorder is a useful reference for how developmental evaluations generally proceed, though your child’s actual speech evaluation is conducted directly by the partner agency’s SLP.

What this means practically:

• Expect two separate intake conversations, not one
• Authorization timelines for ABA and speech often move at different speeds, and each is processed as its own request through our insurance and payment process
• A referral for one service does not substitute for a referral to the other
• Your CMDE/EIDBI assessment establishes ABA medical necessity; it does not, by itself, authorize a speech therapy evaluation

Why Many Kids Still Do Both, on Coordinated Tracks

Can a Child Do Both ABA and Speech Therapy?

Yes, and for many children on the autism spectrum, this is the norm rather than the exception. [Insert your actual current figure here, for example: “roughly X% of our current ABA caseload also receives speech services concurrently.”] The two aren’t competing services, they’re complementary, provided the teams actually talk to each other.

A coordinated therapy plan typically looks like this:

1. The BCBA and SLP share goals so language targets taught in speech sessions, such as a new word or a new AAC button, get reinforced across ABA sessions, mealtimes, and play
2. Session scheduling is arranged so the two therapies don’t compete for the same hours or exhaust the child before either one is effective
3. Progress notes are shared, with consent, so both teams can see overlapping versus distinct goals rather than duplicating work
4. Caregivers get one consistent set of communication strategies to use at home, instead of two conflicting sets of instructions

Our coordinated care conferences exist for exactly this reason: they bring the BCBA, SLP, and family into the same conversation instead of leaving coordination to chance between separate providers. In practice, this is where a shared communication log usually gets built: it tracks the specific word or communication attempt targeted that week, which setting it was practiced in, and whether the child generalized it outside the original session.

Where coordination breaks down, in our experience, is when the two providers never talk at all. A child ends up with two unrelated plans, and gains made in one setting don’t transfer anywhere else. Ask any provider you’re considering how, and how often, they coordinate with outside speech or OT providers. That answer tells you more about expected outcomes than almost anything else in the intake packet.

Our individualized treatment programs are built around this coordination from the start, rather than treating it as an afterthought once both services are already running.

What This Looks Like for a 7-County Family

For families spread across a multi-county service area, logistics often decide how a coordinated plan actually gets scheduled, not just clinical need.

A typical coordinated week might include:

• 2 to 4 ABA sessions, in-home or center-based, focused on the current individualized treatment plan
• 1 to 2 speech sessions, delivered by the contracted partner agency, either in-clinic or via telehealth depending on distance from the nearest SLP
• A shared communication log between the BCBA and SLP so a new word or AAC step introduced in speech gets practiced immediately in the next ABA session
• A single point of contact for the family, usually the BCBA case manager, so parents aren’t relaying updates between two disconnected teams themselves

[Insert your actual named service counties/region here, replacing generic “service area” language, for genuine local relevance.] Families in more rural parts of that footprint should ask specifically about telehealth speech options, since a long commute between two providers on the same day is rarely sustainable for a young child.

If you’re ready to start, our referral submission page is the fastest way to get either evaluation moving, and our full ABA therapy and speech therapy pages cover scheduling and coordination in more depth. For more common questions beyond ABA therapy vs speech therapy specifically, our FAQs page covers the rest of the intake process.

Conclusion

ABA therapy vs speech therapy isn’t a choice between which one is “better,” it’s a question of which problem you’re solving first. ABA builds behavior, independence, and daily living skills through an individualized treatment plan led by a BCBA. Speech therapy builds communication itself, from first words to full conversations, led by a speech-language pathologist. Many children need both, evaluated through separate processes and run on coordinated tracks so progress in one setting actually shows up in the other.

The right next step isn’t guessing which service fits. It’s getting your child in front of the right evaluation, ABA, speech, or both, so a real treatment plan can start instead of another round of research.

Ready to Get Started?

Still weighing which service to start with? Reach out and ask our care team, and we’ll walk through your child’s specific situation with you.

If you already know your child needs an evaluation, don’t wait on it. Submit a referral and we’ll get the right process moving, whether that’s ABA, speech, or both from the start.

Kids Care Inc.
📍 1400 Energy Park Dr Ste 18, Saint Paul, MN 55108
📞 651-441-6245
✉️ info@kidscareinc.com