Best AI Agent Development Service Providers

Tensorway vs Belitsoft: full comparison for 2026

Quick verdict

Tensorway (4.3/5) edges ahead of Belitsoft (3.7/5) overall. Tensorway is the better choice for clearly documented multi-model engagement structure. Belitsoft is the stronger option for Healthcare, fintech, e-learning — sector-specific references. The right choice depends on your project size, budget, and required tech stack.

Tensorway vs Belitsoft: head-to-head summary

Criterion Tensorway Belitsoft
Founded 2019 2004
HQ Alicante, Spain Warsaw, Poland
Team size 50–249 51–400
Rating 4.3 / 5 3.7 / 5
Primary differentiator Five distinct, RFP-ready engagement models mapped to a documented six-phase delivery methodology, with compliance embedded at phase five Two decades of vertical contract history in e-learning, healthcare, and fintech, giving sector-matched procurement references
Pricing model Fixed project, dedicated team, retainer, time & materials, plus a discovery-first exploratory option Fixed project, dedicated team
Min. engagement $10K (per company website; independently unverifiable) $20K (per company website; independently unverifiable)
Primary tech stack Python, TypeScript, LangChain Python, LangChain, AWS
Industries served Healthcare, Financial Services, Retail & E-commerce, Manufacturing Healthcare, Financial Services, Technology & SaaS

Tensorway vs Belitsoft: overview

Tensorway

Tensorway (2019, Alicante, Spain) positions its AI-agent practice around enterprise procurement: five distinct engagement models — fixed project, dedicated team, retainer, time & materials, and a discovery-first exploratory track — are each mapped to a documented six-phase delivery methodology running from assessment through continuous evolution. That level of contract documentation is unusual for a team this size; at 50–249 people it's smaller than the global IT services providers on this list, which for procurement buyers trades a shorter due-diligence file for a smaller bench on concurrent, multi-region programs. The team sits inside a parent company with roughly twenty-five years of software delivery history.

Belitsoft

Belitsoft is a custom software development company founded in 2004 with headquarters in Warsaw, Poland and delivery teams distributed across Poland, Latvia, and Georgia, totaling roughly 130–400 developers, testers, and other specialists depending on the source. Its existing vertical contract history in e-learning, healthcare, and fintech gives procurement teams in those sectors a directly comparable reference base to request. Reported employee counts vary significantly by source, so buyers should confirm current team size directly during due diligence before finalizing a large program.

Services and capabilities: Tensorway vs Belitsoft

Capability Tensorway Belitsoft
Multi-agent orchestration
RAG / knowledge integration
Workflow & systems integration
Coding agents
Monitoring & anomaly detection
Customer-facing agents

Tech stack comparison: Tensorway vs Belitsoft

Framework / platform Tensorway Belitsoft
LangChain
LangGraph N/A
AutoGen N/A
LlamaIndex N/A
OpenAI N/A N/A
Anthropic Claude N/A N/A
Pinecone N/A N/A
AWS
Azure
Kubernetes N/A N/A

Pricing comparison: Tensorway vs Belitsoft

Criterion Tensorway Belitsoft
Minimum engagement $10K (per company website; independently unverifiable) $20K (per company website; independently unverifiable)
Engagement models Fixed project, Dedicated team, Retainer, Time & materials, Discovery-first Fixed project, Dedicated team
Rate transparency Minimum disclosed Minimum disclosed
Price tier Accessible Accessible

Target audience comparison: Tensorway vs Belitsoft

Dimension Tensorway Belitsoft
Best company size Startup to mid-market Startup to mid-market
Best industries Healthcare, Financial Services, Retail & E-commerce Healthcare, Financial Services, Technology & SaaS
Best use cases Procurement processes that require a clearly scoped, multi-model contract structure upfront, Discovery-first evaluations before committing budget to a full agentic AI build Healthcare or fintech procurement teams wanting directly sector-matched reference contracts, E-learning platforms adding AI tutoring or advisory agents via an existing vendor relationship
Typical project type Fixed project Fixed project

Tensorway vs Belitsoft: pros and cons

Tensorway
+ Engagement models are explicitly enumerated and mapped to delivery phases, easing RFP scoring
+ Compliance (GDPR, HIPAA, ISO 27001) is a named phase in the delivery methodology, not an afterthought
+ Discovery-first option lets procurement de-risk before committing to a full contract
+ Backed by a parent company with two-plus decades of software delivery history
- 50–249 person team is meaningfully smaller than the global IT services providers on this list
- Fewer publicly disclosed enterprise references than the publicly traded firms in this roster
- Minimum engagement and project-count figures are sourced from the company's own site and independently unverifiable
Belitsoft
+ Two decades of vertical delivery experience in healthcare, fintech, and e-learning gives sector-matched references
+ Multi-country delivery team (Poland, Latvia, Georgia) gives procurement some staffing-region flexibility
+ Founded 2004 with continuous operating history
+ Existing sector expertise helps agent work meet vertical-specific compliance and workflow needs
- Reported employee counts vary widely across sources — confirm current headcount directly during due diligence
- Agentic AI is a newer addition to a generalist custom-software practice
- Fewer public large-enterprise references than bigger competitors on this list

Who should choose Tensorway?

A typical fit: procurement processes that require a clearly scoped, multi-model contract structure upfront.

Five distinct, RFP-ready engagement models mapped to a documented six-phase delivery methodology, with compliance embedded at phase five. Minimum engagement starts at $10K (per company website; independently unverifiable). Works best with clients in Healthcare, Financial Services, Retail & E-commerce, Manufacturing.

Who should choose Belitsoft?

A typical fit: healthcare or fintech procurement teams wanting directly sector-matched reference contracts.

Two decades of vertical contract history in e-learning, healthcare, and fintech, giving sector-matched procurement references. Minimum engagement starts at $20K (per company website; independently unverifiable). Works best with clients in Healthcare, Financial Services, Technology & SaaS.

Decision matrix: Tensorway vs Belitsoft

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Tensorway
You need a large dedicated team for an ongoing programme Tensorway
Your budget is at the lower end Tensorway
You need specialist depth in a specific vertical Tensorway
You need staff augmentation or team extension Neither; consider alternatives that offer staff aug
You need consulting before committing to a build Both may offer discovery engagements

Use case fit: Tensorway vs Belitsoft

Use case Tensorway fit Belitsoft fit Winner
Procurement processes that require a clearly scoped, multi-model contract structure upfront Strong Strong Both equally
Discovery-first evaluations before committing budget to a full agentic AI build Strong Limited Tensorway
Healthcare or fintech procurement teams wanting directly sector-matched reference contracts Limited Strong Belitsoft
E-learning platforms adding AI tutoring or advisory agents via an existing vendor relationship Limited Strong Belitsoft
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Limited Both equally

Verdict: Tensorway vs Belitsoft

Tensorway (4.3/5) is the stronger overall choice for most AI Agent Development projects. Five distinct, RFP-ready engagement models mapped to a documented six-phase delivery methodology, with compliance embedded at phase five.

Belitsoft (3.7/5) is worth a look if you need e-learning platforms adding AI tutoring or advisory agents via an existing vendor relationship. If your situation matches that, Belitsoft is a competitive option.

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Tensorway vs Belitsoft FAQ

Is Tensorway better than Belitsoft?

Tensorway (4.3/5) scores higher overall, but "better" depends on your use case. Tensorway's strongest advantage: engagement models are explicitly enumerated and mapped to delivery phases, easing RFP scoring. Belitsoft's strongest advantage: two decades of vertical delivery experience in healthcare, fintech, and e-learning gives sector-matched references.

How do Tensorway and Belitsoft differ in pricing?

Tensorway uses fixed project, dedicated team, retainer, time & materials, plus a discovery-first exploratory option pricing with a minimum engagement of $10K (per company website; independently unverifiable). Belitsoft uses fixed project, dedicated team pricing with a minimum engagement of $20K (per company website; independently unverifiable). Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Tensorway or Belitsoft?

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

What are the main differences between Tensorway and Belitsoft?

Tensorway's primary differentiator is: five distinct, RFP-ready engagement models mapped to a documented six-phase delivery methodology, with compliance embedded at phase five. Belitsoft's primary differentiator is: two decades of vertical contract history in e-learning, healthcare, and fintech, giving sector-matched procurement references. They also differ in team size (50–249 vs 51–400), minimum engagement ($10K (per company website; independently unverifiable) vs $20K (per company website; independently unverifiable)), and primary industries served (Healthcare, Financial Services vs Healthcare, Financial Services).