Existek vs Konstant Infosolutions: full comparison for 2026
Last updated: July 2026
Quick verdict
Existek (3.9/5) edges ahead of Konstant Infosolutions (3.9/5) overall. Existek is the better choice for mid-market companies wanting a Clutch-recognized offshore development firm with AI as an add-on service.. Konstant Infosolutions is the stronger option for companies needing AI/ML features added to a mobile or web product from an established, high-review-volume vendor.. The right choice depends on your project size, budget, and required tech stack.
Existek vs Konstant Infosolutions: head-to-head summary
| Criterion | Existek | Konstant Infosolutions |
|---|---|---|
| Founded | 2012 | 2003 |
| HQ | Bucharest, Romania | Jaipur, India |
| Team size | 50–249 | 180+ |
| Rating | 3.9 / 5 | 3.9 / 5 |
| Best for | Mid-market companies wanting a Clutch-recognized offshore development firm with AI as an add-on service. | Companies needing AI/ML features added to a mobile or web product from an established, high-review-volume vendor. |
| Pricing model | Project-based, dedicated team | Project-based, dedicated team |
| Min. engagement | $25,000+ | Not published |
| Primary tech stack | Python, TensorFlow, AWS | TensorFlow, OpenCV, Python |
| Industries served | Healthcare, Oil & Gas, Education, Business Intelligence | Retail & E-commerce, Healthcare, FinTech, Education |
Existek vs Konstant Infosolutions: overview
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.
Konstant Infosolutions
Konstant Infosolutions was founded in 2003 and has grown from a two-person operation to roughly 180 tech experts, with offices in the United States and UAE serving clients across Canada, the UK, Saudi Arabia, and other regions. The firm's AI/ML offerings include product design and development, AI consultancy, integrations, and strategy planning, spanning AI/ML, generative AI, AI chatbots, computer vision, and predictive analytics, and it holds more than 175 reviews on Clutch. Its core identity as a mobile/web app development company means AI/ML is a newer, extended capability rather than a founding specialty.
Services and capabilities: Existek vs Konstant Infosolutions
| Capability | Existek | Konstant Infosolutions |
|---|---|---|
| Custom ML Models | ✓ | ✓ |
| Computer Vision | ✗ | ✓ |
| NLP | ✗ | ✗ |
| MLOps | ✗ | ✗ |
| Generative AI | ✗ | ✓ |
| AI Consulting | ✓ | ✗ |
Tech stack comparison: Existek vs Konstant Infosolutions
| Framework / platform | Existek | Konstant Infosolutions |
|---|---|---|
| TensorFlow | ✓ | ✓ |
| PyTorch | N/A | N/A |
| AWS | ✓ | ✓ |
| Azure | N/A | N/A |
| Google Cloud | N/A | N/A |
| LangChain | N/A | N/A |
| Hugging Face | N/A | N/A |
| Kubernetes | N/A | N/A |
Pricing comparison: Existek vs Konstant Infosolutions
| Criterion | Existek | Konstant Infosolutions |
|---|---|---|
| Minimum engagement | $25,000+ | Not published |
| Engagement models | Project-based, Dedicated team | Project-based, Dedicated team, Fixed project |
| Rate transparency | Minimum disclosed | Not public |
| Price tier | Mid-market | Mid-market |
Target audience comparison: Existek vs Konstant Infosolutions
| Dimension | Existek | Konstant Infosolutions |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Healthcare, Oil & Gas, Education | Retail & E-commerce, Healthcare, FinTech |
| Best use cases | 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. | Company wants AI/ML features (chatbot, computer vision, predictive analytics) added to an existing mobile or web product., Team wants a vendor with a very large Clutch review sample size for procurement due diligence. |
| Typical project type | Project-based | Project-based |
Existek vs Konstant Infosolutions: pros and cons
| 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. |
| Konstant Infosolutions | |
|---|---|
| + | 175+ Clutch reviews is one of the highest client-review volumes in this list, offering a large sample size for due diligence. |
| + | 23 years of company history (since 2003) with demonstrated growth from a two-person startup to a 180+ person firm. |
| + | 2,500+ clients served indicates broad market traction beyond a handful of flagship case studies. |
| + | Covers a useful AI sub-specialty spread (chatbots, computer vision, predictive analytics) for product-embedded AI needs. |
| - | Company's primary identity and longest track record is in mobile/web app development, with AI/ML as an extended, newer service line. |
| - | 180-person team spans multiple service lines (mobile, web, AI), so ML-specific bench depth is smaller than total headcount implies. |
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.
Who should choose Konstant Infosolutions?
Konstant Infosolutions is the right choice for companies needing AI/ML features added to a mobile or web product from an established, high-review-volume vendor..
175+ Clutch reviews — one of the highest review volumes in this list — from a 23-year mobile/web development track record.. Minimum engagement starts at Not published. Works best with clients in Retail & E-commerce, Healthcare, FinTech, Education.
Decision matrix: Existek vs Konstant Infosolutions
| Your situation | Recommended choice |
|---|---|
| You need full-ownership delivery on a defined project scope | Konstant Infosolutions |
| You need a large dedicated team for an ongoing programme | Existek |
| Your budget is at the lower end | Compare: Existek ($25,000+) vs Konstant Infosolutions (Not published) |
| You need specialist depth in a specific vertical | Existek |
| You need production MLOps support after model launch | Both offer MLOps support |
| You need consulting before committing to a build | Existek |
Use case fit: Existek vs Konstant Infosolutions
| Use case | Existek fit | Konstant Infosolutions fit | Winner |
|---|---|---|---|
| Mid-market company wants a Clutch-recognized offshore vendor with a $25K+ entry point for an AI-adjacent project. | Strong | Limited | Existek |
| Oil & gas or business intelligence company needs custom software plus AI/ML from a single vendor. | Strong | Limited | Existek |
| Company wants AI/ML features (chatbot, computer vision, predictive analytics) added to an existing mobile or web product. | Strong | Strong | Both equally |
| Team wants a vendor with a very large Clutch review sample size for procurement due diligence. | Strong | Strong | Both equally |
| Fixed-scope ML build | Limited | Limited | Both equally |
| Ongoing model retraining | Limited | Limited | Both equally |
Verdict: Existek vs Konstant Infosolutions
Existek (3.9/5) is the stronger overall choice for most Machine Learning Development projects. 4.9 Clutch rating with dual Ukraine/Romania Clutch top-developer recognition and a $25,000+ accessible entry point.. It is best for mid-market companies wanting a Clutch-recognized offshore development firm with AI as an add-on service..
Konstant Infosolutions (3.9/5) is the better choice when companies needing AI/ML features added to a mobile or web product from an established, high-review-volume vendor.. If your situation matches those criteria, Konstant Infosolutions is a competitive option.
Related comparisons
Existek vs Konstant Infosolutions FAQ
Is Existek better than Konstant Infosolutions?
Existek (3.9/5) scores higher overall, but "better" depends on your use case. Existek is better for mid-market companies wanting a Clutch-recognized offshore development firm with AI as an add-on service.. Konstant Infosolutions is better for companies needing AI/ML features added to a mobile or web product from an established, high-review-volume vendor..
How do Existek and Konstant Infosolutions differ in pricing?
Existek uses project-based, dedicated team pricing with a minimum engagement of $25,000+. Konstant Infosolutions uses project-based, dedicated team pricing with a minimum engagement of Not published. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.
Which is better for enterprise: Existek or Konstant Infosolutions?
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 Existek and Konstant Infosolutions?
Existek's primary differentiator is: 4.9 clutch rating with dual ukraine/romania clutch top-developer recognition and a $25,000+ accessible entry point.. Konstant Infosolutions's primary differentiator is: 175+ clutch reviews — one of the highest review volumes in this list — from a 23-year mobile/web development track record.. They also differ in team size (50–249 vs 180+), minimum engagement ($25,000+ vs Not published), and primary industries served (Healthcare, Oil & Gas vs Retail & E-commerce, Healthcare).
Last reviewed: July 2026. Verify all details directly with each company before making a decision.