Gradient Labs vs B12 Consulting: full comparison for 2026
Last updated: August 2026
Quick verdict
Gradient Labs (4.3/5) edges ahead of B12 Consulting (3.6/5) overall. Gradient Labs is the better choice for uK and European financial-services firms wanting a narrow, deeply regulatory-fluent autonomous customer-operations agent.. B12 Consulting is the stronger option for eU buyers wanting a small, deeply technical Belgian consultancy founded by physics researchers.. The right choice depends on your project size, budget, and required tech stack.
Gradient Labs vs B12 Consulting: head-to-head summary
| Criterion | Gradient Labs | B12 Consulting |
|---|---|---|
| Founded | 2023 | 2012 |
| HQ | London, UK | Louvain-la-Neuve, Belgium |
| Team size | 11–50 | 11–50 |
| Rating | 4.3 / 5 | 3.6 / 5 |
| Best for | UK and European financial-services firms wanting a narrow, deeply regulatory-fluent autonomous customer-operations agent. | EU buyers wanting a small, deeply technical Belgian consultancy founded by physics researchers. |
| Pricing model | Retainer, platform licensing | Fixed project, staff augmentation |
| Min. engagement | Not published | Not published |
| Primary tech stack | Python, LangChain, OpenAI | Python, LangChain, AWS |
| Industries served | Financial Services, Banking | Manufacturing, Technology & SaaS |
Gradient Labs vs B12 Consulting: overview
Gradient Labs
Gradient Labs is a London-based startup founded in 2023 by former Monzo Bank employees Dimitri Masin, Neal Lathia, and Danai Antoniou, with roughly 46 employees and $13M+ in Series A funding at a $60M valuation. Its flagship product, Otto, is an autonomous agent purpose-built for customer operations in regulated financial services, engineered to resolve complex queries end-to-end while maintaining compliance, reportedly achieving up to a 90% resolution rate with a 98% QA pass rate. Its narrow, financial-services-specific focus and UK domicile make it a fit for buyers wanting deep regulatory fluency over broad horizontal agent capability.
B12 Consulting
B12 Consulting was founded in 2012 by a group of PhDs in Physics sharing a passion for complex problem solving, headquartered in Louvain-la-Neuve, Belgium with an additional Brussels presence, and roughly 35 FTE. It is a services company expert in artificial intelligence, data science, and custom software development, with a technical, research-adjacent culture reflecting its founders' academic backgrounds. As a Belgian EU entity, it offers full EU data residency at a compact, deeply technical headcount.
Services and capabilities: Gradient Labs vs B12 Consulting
| Capability | Gradient Labs | B12 Consulting |
|---|---|---|
| Multi-agent orchestration | ✗ | ✗ |
| RAG / knowledge integration | ✗ | ✗ |
| Workflow & systems integration | ✓ | ✓ |
| Coding agents | ✗ | ✗ |
| Monitoring & anomaly detection | ✓ | ✗ |
| Customer-facing agents | ✓ | ✗ |
Tech stack comparison: Gradient Labs vs B12 Consulting
| Framework / platform | Gradient Labs | B12 Consulting |
|---|---|---|
| LangChain | ✓ | ✓ |
| LangGraph | N/A | N/A |
| AutoGen | N/A | N/A |
| LlamaIndex | N/A | N/A |
| OpenAI | ✓ | N/A |
| Anthropic Claude | ✓ | N/A |
| Pinecone | N/A | N/A |
| AWS | ✓ | ✓ |
| Azure | N/A | N/A |
| Kubernetes | N/A | N/A |
Pricing comparison: Gradient Labs vs B12 Consulting
| Criterion | Gradient Labs | B12 Consulting |
|---|---|---|
| Minimum engagement | Not published | Not published |
| Engagement models | Retainer | Fixed project, Staff augmentation |
| Rate transparency | Minimum disclosed | Minimum disclosed |
| Price tier | Mid-market | Mid-market |
Target audience comparison: Gradient Labs vs B12 Consulting
| Dimension | Gradient Labs | B12 Consulting |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Financial Services, Banking | Manufacturing, Technology & SaaS |
| Best use cases | Regulated financial-services firms wanting a purpose-built autonomous customer-operations agent, Banking or insurance clients needing compliance-fluent agent behavior out of the box | EU buyers wanting a small, technically rigorous Belgian consultancy for a well-scoped project, Complex data-science-adjacent agentic AI problems suited to a research-oriented team |
| Typical project type | Retainer | Fixed project |
Gradient Labs vs B12 Consulting: pros and cons
| Gradient Labs | |
|---|---|
| + | Founding team's direct experience at Monzo (a regulated UK bank) feeds real compliance fluency into Otto |
| + | Named, benchmarked production agent with disclosed resolution-rate and QA-pass-rate figures |
| + | Venture-backed ($13M+ Series A) with runway to keep investing in the product |
| + | UK domicile with a narrow, deep focus on regulated financial services specifically |
| - | Very narrow focus (financial-services customer operations) — not a fit for other verticals or broader custom agent builds |
| - | Small team (~46 employees) limits capacity and account-management bandwidth |
| - | As a product company rather than a services firm, engagement is closer to platform licensing than bespoke development |
| B12 Consulting | |
|---|---|
| + | Fully EU-domiciled (Belgium), simplifying GDPR compliance for European buyers |
| + | Founded by PhDs in Physics, giving it an unusually research-adjacent technical culture |
| + | Over a decade of continuous operating history since 2012 |
| + | Brussels presence alongside Louvain-la-Neuve headquarters gives access to EU institutional buyers |
| - | Very small team (~35 FTE) caps capacity for large or highly parallel programs |
| - | Minimum engagement figures are not published, requiring direct sales contact for early budgeting |
| - | Fewer named large-enterprise case studies than other boutiques on this list |
Who should choose Gradient Labs?
Gradient Labs is the right choice for uK and European financial-services firms wanting a narrow, deeply regulatory-fluent autonomous customer-operations agent..
Otto, a named production agent for regulated financial-services customer operations, built by founders with direct Monzo banking-compliance experience.. Minimum engagement starts at Not published. Works best with clients in Financial Services, Banking.
Who should choose B12 Consulting?
B12 Consulting is the right choice for eU buyers wanting a small, deeply technical Belgian consultancy founded by physics researchers..
Founded by PhDs in Physics, giving it a research-adjacent, deeply technical culture uncommon among the boutiques on this list.. Minimum engagement starts at Not published. Works best with clients in Manufacturing, Technology & SaaS.
Decision matrix: Gradient Labs vs B12 Consulting
| Your situation | Recommended choice |
|---|---|
| You need full-ownership delivery on a defined project scope | B12 Consulting |
| You need a large dedicated team for an ongoing programme | Check each company's engagement model |
| Your budget is at the lower end | Compare: Gradient Labs (Not published) vs B12 Consulting (Not published) |
| You need specialist depth in a specific vertical | Gradient Labs |
| 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: Gradient Labs vs B12 Consulting
| Use case | Gradient Labs fit | B12 Consulting fit | Winner |
|---|---|---|---|
| Regulated financial-services firms wanting a purpose-built autonomous customer-operations agent | Strong | Limited | Gradient Labs |
| Banking or insurance clients needing compliance-fluent agent behavior out of the box | Strong | Limited | Gradient Labs |
| EU buyers wanting a small, technically rigorous Belgian consultancy for a well-scoped project | Limited | Strong | B12 Consulting |
| Complex data-science-adjacent agentic AI problems suited to a research-oriented team | Limited | Strong | B12 Consulting |
| Fixed-price build | Limited | Limited | Both equally |
| Staff augmentation | Limited | Limited | Both equally |
Verdict: Gradient Labs vs B12 Consulting
Gradient Labs (4.3/5) is the stronger overall choice for most AI Agent Development projects. Otto, a named production agent for regulated financial-services customer operations, built by founders with direct Monzo banking-compliance experience.. It is best for uK and European financial-services firms wanting a narrow, deeply regulatory-fluent autonomous customer-operations agent..
B12 Consulting (3.6/5) is the better choice when eU buyers wanting a small, deeply technical Belgian consultancy founded by physics researchers.. If your situation matches those criteria, B12 Consulting is a competitive option.
Related comparisons
Gradient Labs vs B12 Consulting FAQ
Is Gradient Labs better than B12 Consulting?
Gradient Labs (4.3/5) scores higher overall, but "better" depends on your use case. Gradient Labs is better for uK and European financial-services firms wanting a narrow, deeply regulatory-fluent autonomous customer-operations agent.. B12 Consulting is better for eU buyers wanting a small, deeply technical Belgian consultancy founded by physics researchers..
How do Gradient Labs and B12 Consulting differ in pricing?
Gradient Labs uses retainer, platform licensing pricing with a minimum engagement of Not published. B12 Consulting 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: Gradient Labs or B12 Consulting?
Gradient Labs 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 Gradient Labs and B12 Consulting?
Gradient Labs's primary differentiator is: otto, a named production agent for regulated financial-services customer operations, built by founders with direct monzo banking-compliance experience.. B12 Consulting's primary differentiator is: founded by phds in physics, giving it a research-adjacent, deeply technical culture uncommon among the boutiques on this list.. They also differ in team size (11–50 vs 11–50), minimum engagement (Not published vs Not published), and primary industries served (Financial Services, Banking vs Manufacturing, Technology & SaaS).
Last reviewed: August 2026. Verify all details directly with each company before making a decision.