Top Machine Learning Development Services in Europe

STX Next vs CN Group CZ: full comparison for 2026

Last updated: July 2026

Quick verdict

STX Next (4.0/5) edges ahead of CN Group CZ (3.9/5) overall. STX Next is the better choice for enterprises wanting Python-native ML and AI engineering from a vendor with two decades of Python specialization and certified partnerships across all three major clouds.. CN Group CZ is the stronger option for nordic, German, and Austrian enterprises wanting an established, Scandinavian-managed nearshore vendor now offering AI/ML alongside embedded systems and industrial automation.. The right choice depends on your project size, budget, and required tech stack.

STX Next vs CN Group CZ: head-to-head summary

Criterion STX Next CN Group CZ
Founded 2005 1994
HQ Poznań, Poland Prague, Czech Republic (Danish ownership; Scandinavian management)
Team size 330 400+
Rating 4.0 / 5 3.9 / 5
Best for Enterprises wanting Python-native ML and AI engineering from a vendor with two decades of Python specialization and certified partnerships across all three major clouds. Nordic, German, and Austrian enterprises wanting an established, Scandinavian-managed nearshore vendor now offering AI/ML alongside embedded systems and industrial automation.
Pricing model Fixed project, dedicated team, staff augmentation Fixed project, staff augmentation
Min. engagement Not published Not published
Primary tech stack Python, AWS, Snowflake Python, Industrial automation platforms, Embedded systems tooling
Industries served Financial Services, Manufacturing, Energy & Utilities, Healthcare, Retail/E-commerce Manufacturing/Industrial, Cross-border Nordic/DACH enterprise

STX Next vs CN Group CZ: overview

STX Next

STX Next is a Poznań, Poland software company founded in 2005, describing itself as the largest Python-focused software development company in Europe with 330 employees operating a fully remote model across the US, UK, DACH region, and Poland. It holds simultaneous AWS Advanced Tier, Snowflake, Databricks, Microsoft Azure, and Amazon Bedrock partnerships, and built and open-sourced DeepNext, an autonomous AI developer agent, serving financial services, private equity, manufacturing, oil & gas, and healthcare clients.

CN Group CZ

CN Group CZ is a Prague, Czech Republic software house founded by Danish owners in 1994, combining Scandinavian management style with Czech, Slovak, and Romanian engineering talent. Its 400+ employees deliver custom software, embedded systems, cloud platforms, industrial automation, QA/testing, and — more recently — AI/ML services, serving Nordic, German, Austrian, and Swiss clients. AI/ML is a newer addition layered onto a much older core business in embedded systems and industrial automation.

Services and capabilities: STX Next vs CN Group CZ

Capability STX Next CN Group CZ
ML Development
AI Consulting
Computer Vision
NLP
Generative AI
MLOps
Data Engineering
Staff Augmentation

Tech stack comparison: STX Next vs CN Group CZ

Framework / platform STX Next CN Group CZ
Python
AWS N/A
Microsoft Azure N/A
Google Cloud N/A N/A
Kubernetes N/A N/A
PyTorch N/A N/A
LangChain N/A N/A
Databricks N/A

Pricing comparison: STX Next vs CN Group CZ

Criterion STX Next CN Group CZ
Minimum engagement Not published Not published
Engagement models Fixed project, Dedicated team, Staff augmentation Fixed project, Staff augmentation, Dedicated team
Rate transparency Not public Not public
Price tier Enterprise / mid-market Enterprise / mid-market

Target audience comparison: STX Next vs CN Group CZ

Dimension STX Next CN Group CZ
Best company size Mid-market to enterprise Mid-market to enterprise
Best industries Financial Services, Manufacturing, Energy & Utilities Manufacturing/Industrial, Cross-border Nordic/DACH enterprise
Best use cases Python-native ML pipeline development, Multi-cloud MLOps using Databricks, Snowflake, and Bedrock ML integrated with industrial automation systems, AI/ML staff augmentation for Nordic enterprises
Typical project type Fixed project Fixed project

STX Next vs CN Group CZ: pros and cons

STX Next
+ Largest Python-focused software company in Europe (per company website), giving deep bench strength for Python-native ML engineering
+ Certified across AWS Advanced Tier, Snowflake, Databricks, Azure, and Amazon Bedrock simultaneously — an unusually broad multi-cloud partner portfolio
+ Open-sourced its own autonomous AI dev agent (DeepNext), demonstrating in-house AI R&D beyond client work
+ 330 employees and a fully remote model across the US, UK, DACH, and Poland gives wide delivery flexibility
- AI and ML is one part of a much broader Python software-development practice, not the company's sole specialization
- 330-person scale means less boutique-style founder involvement than smaller specialists on this list
- Broad industry spread from banking to oil & gas trades vertical depth for breadth
CN Group CZ
+ 31 years of continuous operation (founded 1994) — one of the longest-running vendors on this list
+ Danish ownership with Scandinavian management style is a strong cultural fit for Nordic buyers specifically
+ 400+ employees across Czech, Slovak, and Romanian offices gives multi-country nearshore delivery
+ Deep industrial automation and embedded-systems background is valuable for manufacturing clients pairing ML with hardware
- AI/ML is a newer addition to a company whose core historical strength is embedded systems and QA/testing, not applied ML
- Public AI-specific case studies are limited compared to embedded-systems and industrial-automation references
- Multi-country structure (Czech, Slovak, Romanian) can mean variable team quality by location

Who should choose STX Next?

STX Next is the right choice for enterprises wanting Python-native ML and AI engineering from a vendor with two decades of Python specialization and certified partnerships across all three major clouds..

Built and open-sourced DeepNext, an autonomous AI developer agent, and holds AWS Advanced Tier, Snowflake, Databricks, Azure, and Amazon Bedrock partnerships simultaneously.. Minimum engagement starts at Not published. Works best with clients in Financial Services, Manufacturing, Energy & Utilities, Healthcare, Retail/E-commerce.

Who should choose CN Group CZ?

CN Group CZ is the right choice for nordic, German, and Austrian enterprises wanting an established, Scandinavian-managed nearshore vendor now offering AI/ML alongside embedded systems and industrial automation..

Combines Scandinavian management style with Czech, Slovak, and Romanian engineering talent, and layers AI/ML onto a much older core business in embedded systems and industrial automation.. Minimum engagement starts at Not published. Works best with clients in Manufacturing/Industrial, Cross-border Nordic/DACH enterprise.

Decision matrix: STX Next vs CN Group CZ

Your situation Recommended choice
You need full-ownership delivery on a defined project scope STX Next
You need a large dedicated team for an ongoing programme STX Next
Your budget is at the lower end Compare: STX Next (Not published) vs CN Group CZ (Not published)
You need specialist depth in a specific vertical STX Next
You need staff augmentation or team extension STX Next
You need consulting before committing to a build CN Group CZ

Use case fit: STX Next vs CN Group CZ

Use case STX Next fit CN Group CZ fit Winner
Python-native ML pipeline development Strong Limited STX Next
Multi-cloud MLOps using Databricks, Snowflake, and Bedrock Strong Limited STX Next
ML integrated with industrial automation systems Strong Strong Both equally
AI/ML staff augmentation for Nordic enterprises Limited Strong CN Group CZ
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Strong CN Group CZ

Verdict: STX Next vs CN Group CZ

STX Next (4.0/5) is the stronger overall choice for most Machine Learning Development projects. Built and open-sourced DeepNext, an autonomous AI developer agent, and holds AWS Advanced Tier, Snowflake, Databricks, Azure, and Amazon Bedrock partnerships simultaneously.. It is best for enterprises wanting Python-native ML and AI engineering from a vendor with two decades of Python specialization and certified partnerships across all three major clouds..

CN Group CZ (3.9/5) is the better choice when nordic, German, and Austrian enterprises wanting an established, Scandinavian-managed nearshore vendor now offering AI/ML alongside embedded systems and industrial automation.. If your situation matches those criteria, CN Group CZ is a competitive option.

Related comparisons

STX Next vs CN Group CZ FAQ

Is STX Next better than CN Group CZ?

STX Next (4.0/5) scores higher overall, but "better" depends on your use case. STX Next is better for enterprises wanting Python-native ML and AI engineering from a vendor with two decades of Python specialization and certified partnerships across all three major clouds.. CN Group CZ is better for nordic, German, and Austrian enterprises wanting an established, Scandinavian-managed nearshore vendor now offering AI/ML alongside embedded systems and industrial automation..

How do STX Next and CN Group CZ differ in pricing?

STX Next uses fixed project, dedicated team, staff augmentation pricing with a minimum engagement of Not published. CN Group CZ uses fixed project, staff augmentation 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: STX Next or CN Group CZ?

CN Group CZ 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 STX Next and CN Group CZ?

STX Next's primary differentiator is: built and open-sourced deepnext, an autonomous ai developer agent, and holds aws advanced tier, snowflake, databricks, azure, and amazon bedrock partnerships simultaneously.. CN Group CZ's primary differentiator is: combines scandinavian management style with czech, slovak, and romanian engineering talent, and layers ai/ml onto a much older core business in embedded systems and industrial automation.. They also differ in team size (330 vs 400+), minimum engagement (Not published vs Not published), and primary industries served (Financial Services, Manufacturing vs Manufacturing/Industrial, Cross-border Nordic/DACH enterprise).

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