Best Machine Learning Development Companies in Europe

Preste vs STX Next: full comparison for 2026

Last updated: July 2026

Quick verdict

Preste (4.4/5) edges ahead of STX Next (4.3/5) overall. Preste is the better choice for european companies needing custom computer vision or NLP algorithms with a French client-facing presence. STX Next is the stronger option for companies needing ML development paired with deep, large-scale Python software engineering capacity. The right choice depends on your project size, budget, and required tech stack.

Preste vs STX Next: head-to-head summary

Criterion Preste STX Next
Founded 2019 2005
HQ Paris, France Poznan, Poland
Team size 11–50 201–500
Rating 4.4 / 5 4.3 / 5
Best for European companies needing custom computer vision or NLP algorithms with a French client-facing presence Companies needing ML development paired with deep, large-scale Python software engineering capacity
Pricing model Fixed project, dedicated team Dedicated team, staff augmentation, fixed project
Min. engagement $20K $25K
Primary tech stack Python, PyTorch, OpenCV Python, Django, FastAPI
Industries served Retail, Manufacturing, Media, Financial Services SaaS, Fintech, Healthcare, E-commerce, Enterprise

Preste vs STX Next: overview

Preste

Preste is a European AI development company founded in 2019, with operations spanning Paris, France and Kyiv, Ukraine. The team focuses on computer vision, natural language processing, and custom machine learning algorithms, and was recognized by industry peers as a Top European AI Startup in 2024 and 2025 (per company website; independently unverifiable). Its dual-location structure combines French client-facing presence with Ukrainian engineering delivery.

STX Next

STX Next, founded in March 2005 in Poznan, Poland, grew from an 8-person startup into a nearly 500-person Python engineering firm with delivery centers across Poland and Mexico. Known primarily as one of Europe's largest dedicated Python engineering companies, STX Next has built out AI/ML and data engineering practices on top of its deep Python bench, making it a strong generalist option for ML projects that also require broader software engineering.

Services and capabilities: Preste vs STX Next

Capability Preste STX Next
ML model development
Computer vision
NLP
Generative AI / LLM integration
MLOps
AI strategy consulting
Staff augmentation

Tech stack comparison: Preste vs STX Next

Framework / platform Preste STX Next
Python
TensorFlow N/A
PyTorch
AWS
Azure N/A
Kubernetes N/A N/A

Pricing comparison: Preste vs STX Next

Criterion Preste STX Next
Minimum engagement $20K $25K
Engagement models Fixed project, Dedicated team Dedicated team, Staff augmentation, Fixed project
Rate transparency Minimum disclosed Minimum disclosed
Price tier Accessible Accessible

Target audience comparison: Preste vs STX Next

Dimension Preste STX Next
Best company size Startup to mid-market Startup to mid-market
Best industries Retail, Manufacturing, Media SaaS, Fintech, Healthcare
Best use cases Computer vision for retail or manufacturing quality inspection, NLP for French and multilingual document processing ML feature development inside a larger Python software platform, Scaling an engineering team with dedicated Python and ML staff
Typical project type Fixed project Dedicated team

Preste vs STX Next: pros and cons

Preste
+ Legally headquartered in Paris with recognized Top European AI Startup mentions from industry peers
+ Focused specialization in computer vision and NLP rather than broad generalist AI scope
+ Founded in 2019 with steady growth in a competitive Paris AI market
- Delivery team based partly in Kyiv, Ukraine carries the same operational-continuity considerations as other Ukraine-linked firms
- Smaller, newer firm with a shorter track record than established French AI consultancies
- Industry-award mentions are self-reported and not independently verifiable
STX Next
+ Two decades of operating history since founding in 2005 with proven scale of roughly 500 engineers
+ Deep Python engineering bench supports complex ML and software integration projects
+ Multiple delivery centers across Poland and Mexico for coverage flexibility
+ Established staff augmentation model for teams needing to scale quickly
- ML and AI is one practice among several rather than the firm's sole focus
- Larger organizational size may mean less founder-level attention than boutique specialists
- Best fit skews toward Python-centric stacks rather than polyglot ML environments

Who should choose Preste?

Preste is the right choice for european companies needing custom computer vision or NLP algorithms with a French client-facing presence.

Dual Paris and Kyiv structure pairing French market presence with dedicated computer vision and NLP engineering delivery. Minimum engagement starts at $20K. Works best with clients in Retail, Manufacturing, Media, Financial Services.

Who should choose STX Next?

STX Next is the right choice for companies needing ML development paired with deep, large-scale Python software engineering capacity.

One of Europe's largest dedicated Python engineering companies, with ML and data practices built on that scale. Minimum engagement starts at $25K. Works best with clients in SaaS, Fintech, Healthcare, E-commerce, Enterprise.

Decision matrix: Preste vs STX Next

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Preste
You need a large dedicated team for an ongoing programme Preste
Your budget is at the lower end Preste
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 Preste

Use case fit: Preste vs STX Next

Use case Preste fit STX Next fit Winner
Computer vision for retail or manufacturing quality inspection Strong Limited Preste
NLP for French and multilingual document processing Strong Limited Preste
ML feature development inside a larger Python software platform Limited Strong STX Next
Scaling an engineering team with dedicated Python and ML staff Limited Strong STX Next
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Strong STX Next

Verdict: Preste vs STX Next

Preste (4.4/5) is the stronger overall choice for most Machine Learning Development projects. Dual Paris and Kyiv structure pairing French market presence with dedicated computer vision and NLP engineering delivery. It is best for european companies needing custom computer vision or NLP algorithms with a French client-facing presence.

STX Next (4.3/5) is the better choice when companies needing ML development paired with deep, large-scale Python software engineering capacity. If your situation matches those criteria, STX Next is a competitive option.

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Preste vs STX Next FAQ

Is Preste better than STX Next?

Preste (4.4/5) scores higher overall, but "better" depends on your use case. Preste is better for european companies needing custom computer vision or NLP algorithms with a French client-facing presence. STX Next is better for companies needing ML development paired with deep, large-scale Python software engineering capacity.

How do Preste and STX Next differ in pricing?

Preste uses fixed project, dedicated team pricing with a minimum engagement of $20K. STX Next uses dedicated team, staff augmentation, fixed project pricing with a minimum engagement of $25K. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Preste or STX Next?

STX Next 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 Preste and STX Next?

Preste's primary differentiator is: dual paris and kyiv structure pairing french market presence with dedicated computer vision and nlp engineering delivery. STX Next's primary differentiator is: one of europe's largest dedicated python engineering companies, with ml and data practices built on that scale. They also differ in team size (11–50 vs 201–500), minimum engagement ($20K vs $25K), and primary industries served (Retail, Manufacturing vs SaaS, Fintech).

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