Best Machine Learning Development Agencies

Quantiphi vs Belitsoft: full comparison for 2026

Last updated: July 2026

Quick verdict

Quantiphi (4.4/5) edges ahead of Belitsoft (3.9/5) overall. Quantiphi is the better choice for enterprises, especially in financial services, needing AI delivery at scale with strong cloud-native ML platform engineering.. Belitsoft is the stronger option for small-to-mid companies wanting AI/ML added to a broader custom software development engagement at accessible pricing.. The right choice depends on your project size, budget, and required tech stack.

Quantiphi vs Belitsoft: head-to-head summary

Criterion Quantiphi Belitsoft
Founded 2013 2004
HQ Marlborough, Massachusetts, USA Warsaw, Poland
Team size 1,001–5,000 201–500
Rating 4.4 / 5 3.9 / 5
Best for Enterprises, especially in financial services, needing AI delivery at scale with strong cloud-native ML platform engineering. Small-to-mid companies wanting AI/ML added to a broader custom software development engagement at accessible pricing.
Pricing model Fixed project and managed AI services Fixed project and Time & Material
Min. engagement Not published $15K
Primary tech stack Python, TensorFlow, Google Cloud Vertex AI Python, Scikit-learn, AWS
Industries served Financial Services, Healthcare, Media, Technology/SaaS Healthcare, Financial Services, Technology/SaaS

Quantiphi vs Belitsoft: overview

Quantiphi

Quantiphi is an AI-first digital engineering company founded in 2013 by Vivek Khemani, Asif Hasan, Ritesh Patel, and Reghu Hariharan, headquartered in Marlborough, Massachusetts. Reported headcount is roughly 2,670–3,927 employees depending on source, making it one of the larger, more established AI-native firms on this list, with strong focus on financial services and cloud-native ML platform engineering.

Belitsoft

Belitsoft is a software development company founded in 2004, headquartered in Warsaw, Poland, with development centers in Gomel and Brest, Belarus. Reported headcount ranges from roughly 250 to 400+ developers, testers, project managers, and DevOps specialists, and the firm has expanded its cloud and AI development proficiency to include generative AI, predictive analytics, and forecasting models alongside its core custom software development practice.

Services and capabilities: Quantiphi vs Belitsoft

Capability Quantiphi Belitsoft
Custom ML model development
Deep learning & computer vision
NLP & LLM / Generative AI
MLOps & production deployment
Data engineering
AI strategy consulting
Staff augmentation

Tech stack comparison: Quantiphi vs Belitsoft

Framework / platform Quantiphi Belitsoft
Python
TensorFlow N/A
PyTorch N/A N/A
AWS
Azure N/A
Google Cloud N/A
Kubernetes N/A
Databricks N/A N/A
LangChain N/A N/A

Pricing comparison: Quantiphi vs Belitsoft

Criterion Quantiphi Belitsoft
Minimum engagement Not published $15K
Engagement models Fixed project, Managed services Fixed project, Time & Material
Rate transparency Not public Minimum disclosed
Price tier Enterprise / not published Accessible

Target audience comparison: Quantiphi vs Belitsoft

Dimension Quantiphi Belitsoft
Best company size Startup to mid-market Startup to mid-market
Best industries Financial Services, Healthcare, Media Healthcare, Financial Services, Technology/SaaS
Best use cases Enterprise financial-services AI programs requiring both scale and deep ML expertise, Cloud-native ML platform builds on GCP, AWS, or Azure at production scale Small-to-mid companies wanting a cost-effective partner for a forecasting or recommendation-engine build, Healthcare or finance clients needing predictive analytics added to an existing software product
Typical project type Fixed project Fixed project

Quantiphi vs Belitsoft: pros and cons

Quantiphi
+ Founded as an AI-first company rather than a generalist IT firm that later added an AI practice
+ Enterprise-scale headcount (2,600+) supports large, multi-region programs
+ Strong cloud-native ML platform engineering, reducing gaps between model development and production deployment
+ 13 years of continuous focus on applied AI and analytics
- Scale and enterprise sales process may be slower and less accessible for small pilot projects than boutique competitors
- Recent employee counts show a reported year-over-year headcount decline (~4% per one source), worth asking about directly
- Minimum engagement size and standard pricing are not publicly disclosed
Belitsoft
+ 21 years of continuous custom software development history
+ Accessible minimum engagement size relative to enterprise-scale competitors on this list
+ Deep expertise cited in Big Data, Deep Learning, and Predictive Analytics beyond generic AI marketing language
+ Multi-country delivery (Poland, Belarus) supports competitive pricing for smaller buyers
- AI/ML is a recently expanded practice area layered onto a longer-running general software development business
- Reported headcount varies by source (250 vs. 400+), worth confirming current team size directly
- Less brand recognition in AI/ML specifically compared to AI-first boutiques on this list

Who should choose Quantiphi?

Quantiphi is the right choice for enterprises, especially in financial services, needing AI delivery at scale with strong cloud-native ML platform engineering..

AI-native firm that reached enterprise scale (2,600+ employees) without pivoting from generalist IT outsourcing.. Minimum engagement starts at Not published. Works best with clients in Financial Services, Healthcare, Media, Technology/SaaS.

Who should choose Belitsoft?

Belitsoft is the right choice for small-to-mid companies wanting AI/ML added to a broader custom software development engagement at accessible pricing..

21 years as a custom software development firm now expanding deliberately into generative AI and predictive analytics.. Minimum engagement starts at $15K. Works best with clients in Healthcare, Financial Services, Technology/SaaS.

Decision matrix: Quantiphi vs Belitsoft

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Quantiphi
You need a large dedicated team for an ongoing programme Check each company's engagement model
Your budget is at the lower end Compare: Quantiphi (Not published) vs Belitsoft ($15K)
You need specialist depth in a specific vertical Quantiphi
You need staff augmentation or team extension Neither; consider alternatives that offer staff aug
You need consulting before committing to a build Quantiphi

Use case fit: Quantiphi vs Belitsoft

Use case Quantiphi fit Belitsoft fit Winner
Enterprise financial-services AI programs requiring both scale and deep ML expertise Strong Strong Both equally
Cloud-native ML platform builds on GCP, AWS, or Azure at production scale Strong Limited Quantiphi
Small-to-mid companies wanting a cost-effective partner for a forecasting or recommendation-engine build Limited Strong Belitsoft
Healthcare or finance clients needing predictive analytics added to an existing software product Limited Strong Belitsoft
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Limited Both equally

Verdict: Quantiphi vs Belitsoft

Quantiphi (4.4/5) is the stronger overall choice for most Machine Learning Development projects. AI-native firm that reached enterprise scale (2,600+ employees) without pivoting from generalist IT outsourcing.. It is best for enterprises, especially in financial services, needing AI delivery at scale with strong cloud-native ML platform engineering..

Belitsoft (3.9/5) is the better choice when small-to-mid companies wanting AI/ML added to a broader custom software development engagement at accessible pricing.. If your situation matches those criteria, Belitsoft is a competitive option.

Related comparisons

Quantiphi vs Belitsoft FAQ

Is Quantiphi better than Belitsoft?

Quantiphi (4.4/5) scores higher overall, but "better" depends on your use case. Quantiphi is better for enterprises, especially in financial services, needing AI delivery at scale with strong cloud-native ML platform engineering.. Belitsoft is better for small-to-mid companies wanting AI/ML added to a broader custom software development engagement at accessible pricing..

How do Quantiphi and Belitsoft differ in pricing?

Quantiphi uses fixed project and managed ai services pricing with a minimum engagement of Not published. Belitsoft uses fixed project and time & material pricing with a minimum engagement of $15K. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Quantiphi or Belitsoft?

Quantiphi is the larger team and typically the better enterprise-scale choice. For very large programmes, verify team size and compliance coverage directly with each agency before shortlisting.

What are the main differences between Quantiphi and Belitsoft?

Quantiphi's primary differentiator is: ai-native firm that reached enterprise scale (2,600+ employees) without pivoting from generalist it outsourcing.. Belitsoft's primary differentiator is: 21 years as a custom software development firm now expanding deliberately into generative ai and predictive analytics.. They also differ in team size (1,001–5,000 vs 201–500), minimum engagement (Not published vs $15K), and primary industries served (Financial Services, Healthcare vs Healthcare, Financial Services).

Last reviewed: July 2026. Verify all details directly with each agency before making a decision.