Best ML Development Services

Space-O Technologies vs Existek: full comparison for 2026

Last updated: July 2026

Quick verdict

Space-O Technologies (4.0/5) edges ahead of Existek (3.9/5) overall. Space-O Technologies is the better choice for companies that need machine learning embedded into a mobile or web application, not a standalone ML research engagement.. Existek is the stronger option for mid-market companies wanting a Clutch-recognized offshore development firm with AI as an add-on service.. The right choice depends on your project size, budget, and required tech stack.

Space-O Technologies vs Existek: head-to-head summary

Criterion Space-O Technologies Existek
Founded 2010 2012
HQ Ahmedabad, India Bucharest, Romania
Team size 140+ 50–249
Rating 4.0 / 5 3.9 / 5
Best for Companies that need machine learning embedded into a mobile or web application, not a standalone ML research engagement. Mid-market companies wanting a Clutch-recognized offshore development firm with AI as an add-on service.
Pricing model Project-based, dedicated team Project-based, dedicated team
Min. engagement Not published $25,000+
Primary tech stack TensorFlow, Keras, OpenAI API Python, TensorFlow, AWS
Industries served Healthcare, EdTech, Retail & E-commerce, Travel & Hospitality Healthcare, Oil & Gas, Education, Business Intelligence

Space-O Technologies vs Existek: overview

Space-O Technologies

Space-O Technologies was founded in 2010 by Rakeshkumar Patel and Atit Tusharbhai Purani, growing to roughly 140 full-stack engineers and AI specialists with offices in the US, Canada, and India. The company built its reputation on mobile app development (including early on-demand apps and EdTech products) before extending into machine learning on both neural and non-neural networks, working with frameworks including Keras, Caffe, and TensorFlow, plus more recent integration of OpenAI's GPT, Whisper, and LangChain. Its origin as a mobile-app shop means ML is a newer, added capability rather than the company's founding focus.

Existek

Existek was founded in 2012 and operates with a 50–249 person team split across Bucharest, Romania and Vinnytsia, Ukraine, delivering custom software development, dedicated team staffing, and AI development services for clients in business intelligence, healthcare, oil & gas, and education. The company has been recognized by Clutch as a top developer in both Ukraine and Romania and holds a near-perfect 4.9 rating on the platform, with hourly rates of $50–$99/hr and a minimum project size of $25,000+. Its AI services page is comparatively general, offering less publicly documented technical specificity than boutique ML specialists in this list.

Services and capabilities: Space-O Technologies vs Existek

Capability Space-O Technologies Existek
Custom ML Models
Computer Vision
NLP
MLOps
Generative AI
AI Consulting

Tech stack comparison: Space-O Technologies vs Existek

Framework / platform Space-O Technologies Existek
TensorFlow
PyTorch N/A N/A
AWS N/A
Azure N/A N/A
Google Cloud N/A N/A
LangChain N/A
Hugging Face N/A N/A
Kubernetes N/A N/A

Pricing comparison: Space-O Technologies vs Existek

Criterion Space-O Technologies Existek
Minimum engagement Not published $25,000+
Engagement models Project-based, Dedicated team, Fixed project Project-based, Dedicated team
Rate transparency Not public Minimum disclosed
Price tier Mid-market Mid-market

Target audience comparison: Space-O Technologies vs Existek

Dimension Space-O Technologies Existek
Best company size Startup to mid-market Startup to mid-market
Best industries Healthcare, EdTech, Retail & E-commerce Healthcare, Oil & Gas, Education
Best use cases Company needs an ML feature (recommendation, prediction, chatbot) built directly into a new or existing mobile app., EdTech or travel company wants a single vendor for both application development and embedded AI features. Mid-market company wants a Clutch-recognized offshore vendor with a $25K+ entry point for an AI-adjacent project., Oil & gas or business intelligence company needs custom software plus AI/ML from a single vendor.
Typical project type Project-based Project-based

Space-O Technologies vs Existek: pros and cons

Space-O Technologies
+ 15 years of product-delivery history (since 2010), with a track record that includes early on-demand and EdTech app development.
+ 300+ delivered software solutions and 1,200+ clients gives it a broad delivery pattern library.
+ Integrates modern generative AI tooling (GPT, Whisper, LangChain) alongside classical ML frameworks (Keras, Caffe, TensorFlow).
+ Offices across US, Canada, and India provide time-zone coverage for North American clients.
- Company's core identity and longest track record is in mobile app development, not ML — AI/ML is a newer, extended service line.
- 140-person team spread across app development, AI development, and other services means ML-specific bench depth is smaller than the total headcount suggests.
Existek
+ 4.9 near-perfect Clutch rating with top-developer recognition in both Ukraine and Romania.
+ $25,000+ minimum project size is more accessible than large enterprise-only vendors like EPAM.
+ 12+ years of operating history (since 2012) with dual-country delivery presence.
+ Serves niche industries (oil & gas, business intelligence) less commonly covered by boutique AI specialists.
- Publicly available technical detail on Existek's specific AI/ML methodology is thinner than boutique specialists like Neurons Lab or Provectus.
- AI development is one of several service lines (custom software, staff augmentation) rather than the firm's exclusive focus.

Who should choose Space-O Technologies?

Space-O Technologies is the right choice for companies that need machine learning embedded into a mobile or web application, not a standalone ML research engagement..

15 years of mobile/software product delivery experience (since 2010) with ML added as a production-application capability.. Minimum engagement starts at Not published. Works best with clients in Healthcare, EdTech, Retail & E-commerce, Travel & Hospitality.

Who should choose Existek?

Existek is the right choice for mid-market companies wanting a Clutch-recognized offshore development firm with AI as an add-on service..

4.9 Clutch rating with dual Ukraine/Romania Clutch top-developer recognition and a $25,000+ accessible entry point.. Minimum engagement starts at $25,000+. Works best with clients in Healthcare, Oil & Gas, Education, Business Intelligence.

Decision matrix: Space-O Technologies vs Existek

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Space-O Technologies
You need a large dedicated team for an ongoing programme Space-O Technologies
Your budget is at the lower end Compare: Space-O Technologies (Not published) vs Existek ($25,000+)
You need specialist depth in a specific vertical Space-O Technologies
You need production MLOps support after model launch Both offer MLOps support
You need consulting before committing to a build Existek

Use case fit: Space-O Technologies vs Existek

Use case Space-O Technologies fit Existek fit Winner
Company needs an ML feature (recommendation, prediction, chatbot) built directly into a new or existing mobile app. Strong Strong Both equally
EdTech or travel company wants a single vendor for both application development and embedded AI features. Strong Limited Space-O Technologies
Mid-market company wants a Clutch-recognized offshore vendor with a $25K+ entry point for an AI-adjacent project. Limited Strong Existek
Oil & gas or business intelligence company needs custom software plus AI/ML from a single vendor. Limited Strong Existek
Fixed-scope ML build Limited Limited Both equally
Ongoing model retraining Limited Limited Both equally

Verdict: Space-O Technologies vs Existek

Space-O Technologies (4.0/5) is the stronger overall choice for most Machine Learning Development projects. 15 years of mobile/software product delivery experience (since 2010) with ML added as a production-application capability.. It is best for companies that need machine learning embedded into a mobile or web application, not a standalone ML research engagement..

Existek (3.9/5) is the better choice when mid-market companies wanting a Clutch-recognized offshore development firm with AI as an add-on service.. If your situation matches those criteria, Existek is a competitive option.

Related comparisons

Space-O Technologies vs Existek FAQ

Is Space-O Technologies better than Existek?

Space-O Technologies (4.0/5) scores higher overall, but "better" depends on your use case. Space-O Technologies is better for companies that need machine learning embedded into a mobile or web application, not a standalone ML research engagement.. Existek is better for mid-market companies wanting a Clutch-recognized offshore development firm with AI as an add-on service..

How do Space-O Technologies and Existek differ in pricing?

Space-O Technologies uses project-based, dedicated team pricing with a minimum engagement of Not published. Existek uses project-based, dedicated team pricing with a minimum engagement of $25,000+. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Space-O Technologies or Existek?

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

What are the main differences between Space-O Technologies and Existek?

Space-O Technologies's primary differentiator is: 15 years of mobile/software product delivery experience (since 2010) with ml added as a production-application capability.. Existek's primary differentiator is: 4.9 clutch rating with dual ukraine/romania clutch top-developer recognition and a $25,000+ accessible entry point.. They also differ in team size (140+ vs 50–249), minimum engagement (Not published vs $25,000+), and primary industries served (Healthcare, EdTech vs Healthcare, Oil & Gas).

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