QuantumBlack, AI by McKinsey vs Coherent Solutions: full comparison for 2026
Quick verdict
QuantumBlack, AI by McKinsey (4.8/5) edges ahead of Coherent Solutions (3.9/5) overall. QuantumBlack, AI by McKinsey is the better choice for enterprises wanting McKinsey-scale generative AI expertise with real engineering behind it. Coherent Solutions is the stronger option for enterprises wanting generative AI consulting with a choice of global delivery locations. The right choice depends on your project size, budget, and required tech stack.
QuantumBlack, AI by McKinsey vs Coherent Solutions: head-to-head summary
| Criterion | QuantumBlack, AI by McKinsey | Coherent Solutions |
|---|---|---|
| Founded | 2009 | 1995 |
| HQ | London, United Kingdom | Minneapolis, United States |
| Team size | 1,001-5,000 | 2,200 |
| Rating | 4.8 / 5 | 3.9 / 5 |
| Primary differentiator | A Formula 1 data-science origin behind a 1,000-plus person generative AI practice at McKinsey | Nine-country offshore delivery network built over three decades |
| Pricing model | Retainer, enterprise contracting | Dedicated team or retainer |
| Min. engagement | Not disclosed | Not disclosed |
| Primary tech stack | Python, AWS, Azure | Python, AWS, Azure |
| Industries served | Financial services, Manufacturing, Retail & e-commerce, Healthcare | Financial services, Healthcare, Manufacturing |
QuantumBlack, AI by McKinsey vs Coherent Solutions: overview
QuantumBlack, AI by McKinsey
QuantumBlack began in 2009 as a performance-analytics unit for Formula 1 teams, joined McKinsey in December 2015 at roughly 45 people, and now runs McKinsey's AI and generative AI practice out of London across more than 40 offices worldwide, with a reported headcount in the 1,001-5,000 range. Its generative AI work spans large language model deployment, retrieval systems, and agentic workflows, framed with the same discipline the unit brought from motorsport: a claim isn't real until it's tied to a measured number.
Coherent Solutions
Coherent Solutions was founded in 1995 by Igor Epshteyn in Minneapolis, Minnesota, and reported roughly 2,200 employees as of 2023. The company runs offshore development offices across Belarus, Bulgaria, Moldova, Mexico, Lithuania, Ukraine, Romania, Georgia, and Poland. Its core business is software product development and consulting, with generative AI consulting delivered as part of that established practice rather than marketed as a separate, dedicated AI unit.
Services and capabilities: QuantumBlack, AI by McKinsey vs Coherent Solutions
| Capability | QuantumBlack, AI by McKinsey | Coherent Solutions |
|---|---|---|
| AI strategy consulting | ✓ | ✓ |
| Generative AI | ✓ | ✗ |
| Machine learning | ✓ | ✗ |
| Data engineering | ✗ | ✓ |
| MLOps | ✗ | ✗ |
| Fixed-price projects | ✗ | ✗ |
| Dedicated team model | ✓ | ✓ |
Tech stack comparison: QuantumBlack, AI by McKinsey vs Coherent Solutions
| Framework / platform | QuantumBlack, AI by McKinsey | Coherent Solutions |
|---|---|---|
| Python | ✓ | ✓ |
| AWS | ✓ | ✓ |
| Azure | ✓ | ✓ |
| Google Cloud | ✓ | N/A |
| Kubernetes | ✓ | N/A |
| LangChain | N/A | N/A |
| PyTorch | N/A | N/A |
Pricing comparison: QuantumBlack, AI by McKinsey vs Coherent Solutions
| Criterion | QuantumBlack, AI by McKinsey | Coherent Solutions |
|---|---|---|
| Minimum engagement | Not disclosed | Not disclosed |
| Engagement models | Retainer, Dedicated team | Dedicated team, Retainer |
| Rate transparency | Not public | Not public |
| Price tier | Mid-market | Mid-market |
Target audience comparison: QuantumBlack, AI by McKinsey vs Coherent Solutions
| Dimension | QuantumBlack, AI by McKinsey | Coherent Solutions |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Financial services, Manufacturing, Retail & e-commerce | Financial services, Healthcare, Manufacturing |
| Best use cases | Running an enterprise-wide generative AI strategy program with board-level visibility., Shortlisting a recognizable name for a procurement process that requires one. | Running a generative AI consulting engagement that benefits from a nine-country delivery network., Needing US-based contracting with offshore cost structures for a long-term engagement. |
| Typical project type | Retainer | Dedicated team |
QuantumBlack, AI by McKinsey vs Coherent Solutions: pros and cons
| QuantumBlack, AI by McKinsey | |
|---|---|
| + | The McKinsey name secures board-level attention that most generative AI boutiques can't get on their own. |
| + | A Formula 1 analytics origin story reflects genuine engineering discipline behind the generative AI branding. |
| + | More than 1,000 dedicated AI staff across 40-plus global offices. |
| + | Runs generative AI as a distinctly named practice inside McKinsey, not a rebadged strategy offering. |
| - | Pricing and minimum commitments sit above what most mid-market buyers can justify |
| - | Being embedded in a much larger firm limits flexibility on scope and pace compared with an independent boutique |
| Coherent Solutions | |
|---|---|
| + | Nine-country delivery footprint gives clients unusual flexibility on cost and timezone coverage. |
| + | Nearly three decades of software product development history. |
| + | 2,200 employees support mid-to-large enterprise engagements. |
| + | US headquarters simplifies contracting while delivery stays cost-competitive offshore. |
| - | Generative AI consulting is delivered inside an established general software practice, not as a dedicated unit |
| - | Less AI-specific marketing and case-study depth than firms built around generative AI from the start |
Who should choose QuantumBlack, AI by McKinsey?
A typical fit: running an enterprise-wide generative AI strategy program with board-level visibility.
A Formula 1 data-science origin behind a 1,000-plus person generative AI practice at McKinsey. Minimum engagement is not publicly disclosed. Works best with clients in Financial services, Manufacturing, Retail & e-commerce, Healthcare.
Who should choose Coherent Solutions?
A typical fit: running a generative AI consulting engagement that benefits from a nine-country delivery network.
Nine-country offshore delivery network built over three decades. Minimum engagement is not publicly disclosed. Works best with clients in Financial services, Healthcare, Manufacturing.
Decision matrix: QuantumBlack, AI by McKinsey vs Coherent Solutions
| Your situation | Recommended choice |
|---|---|
| You need full-ownership delivery on a defined project scope | Both offer fixed-price models |
| You need a large dedicated team for an ongoing programme | QuantumBlack, AI by McKinsey |
| Your budget is at the lower end | Compare: QuantumBlack, AI by McKinsey (Not disclosed) vs Coherent Solutions (Not disclosed) |
| You need specialist depth in a specific vertical | QuantumBlack, AI by McKinsey |
| You need staff augmentation or team extension | Neither; consider alternatives that offer staff aug |
| You need consulting before committing to a build | QuantumBlack, AI by McKinsey |
Use case fit: QuantumBlack, AI by McKinsey vs Coherent Solutions
| Use case | QuantumBlack, AI by McKinsey fit | Coherent Solutions fit | Winner |
|---|---|---|---|
| Running an enterprise-wide generative AI strategy program with board-level visibility. | Strong | Strong | Both equally |
| Shortlisting a recognizable name for a procurement process that requires one. | Strong | Limited | QuantumBlack, AI by McKinsey |
| Running a generative AI consulting engagement that benefits from a nine-country delivery network. | Strong | Strong | Both equally |
| Needing US-based contracting with offshore cost structures for a long-term engagement. | Limited | Strong | Coherent Solutions |
| Fixed-price project | Limited | Limited | Both equally |
| Dedicated team model | Limited | Limited | Both equally |
Verdict: QuantumBlack, AI by McKinsey vs Coherent Solutions
QuantumBlack, AI by McKinsey (4.8/5) is the stronger overall choice for most Generative AI Consulting projects. A Formula 1 data-science origin behind a 1,000-plus person generative AI practice at McKinsey.
Coherent Solutions (3.9/5) is worth a look if you need needing US-based contracting with offshore cost structures for a long-term engagement. If your situation matches that, Coherent Solutions is a competitive option.
Related comparisons
QuantumBlack, AI by McKinsey vs Coherent Solutions FAQ
Is QuantumBlack, AI by McKinsey better than Coherent Solutions?
QuantumBlack, AI by McKinsey (4.8/5) scores higher overall, but "better" depends on your use case. QuantumBlack, AI by McKinsey's strongest advantage: the McKinsey name secures board-level attention that most generative AI boutiques can't get on their own. Coherent Solutions's strongest advantage: nine-country delivery footprint gives clients unusual flexibility on cost and timezone coverage.
How do QuantumBlack, AI by McKinsey and Coherent Solutions differ in pricing?
QuantumBlack, AI by McKinsey uses retainer, enterprise contracting pricing. Coherent Solutions uses dedicated team or retainer pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.
Which is better for enterprise: QuantumBlack, AI by McKinsey or Coherent Solutions?
QuantumBlack, AI by McKinsey is the larger team and typically the better enterprise-scale choice. For very large programmes, verify team size and compliance coverage directly with each firm before shortlisting.
What are the main differences between QuantumBlack, AI by McKinsey and Coherent Solutions?
QuantumBlack, AI by McKinsey's primary differentiator is: a Formula 1 data-science origin behind a 1,000-plus person generative AI practice at McKinsey. Coherent Solutions's primary differentiator is: nine-country offshore delivery network built over three decades. They also differ in team size (1,001-5,000 vs 2,200), minimum engagement (Not disclosed vs Not disclosed), and primary industries served (Financial services, Manufacturing vs Financial services, Healthcare).
Verify all details directly with each firm before making a decision.