How can one person possibly replace a 40-person Deloitte or Accenture team?

The 40-person team is not building — it is coordinating. Most of that headcount is project management, layered accountability, and meetings about meetings. The actual code is written by a small handful of offshore engineers. AI-native tooling (Claude, v0, Cursor) lets one senior operator output what used to take a full pod. The tradeoff is real: you lose the paper-trail comfort of 40 timesheets. You gain 16× cost savings and 3.7× faster delivery.

What if the single operator gets hit by a bus?

This is the most common enterprise objection, and the answer is structural: the code is in your GitHub from day one, the infra is in your cloud from day one, and every architectural decision is documented as a committed ADR (architecture decision record). You could hire any competent engineer to continue the work tomorrow. This is categorically not true of a Salesforce or IBM implementation, where the vendor lock-in is the product.

Is this comparison fair? Big Four firms do things a solo operator cannot.

Correct, and the page is explicit about that. Big Four firms provide the paper trail, procurement comfort, and risk-transfer theater that some organizations genuinely require — particularly in federal, regulated healthcare (FedRAMP, HIPAA with certain carriers), and deeply political environments where 'nobody ever got fired for hiring Accenture' is the real buying criteria. If that's the decision framework, this comparison is not for you. If the decision framework is 'we want the working system,' the comparison stands.

Why is the cost delta so large? Is the cheaper option cutting corners?

The delta is not from cutting corners on the work — it is from cutting the overhead around the work. The Big Four model bills five layers of management for every hour of engineering. An independent operator bills one. The code quality, architecture, and model selection are equivalent or better (see: frontier models vs. 2023-era GPT-4o wrappers). What you are not paying for is the steering committee, the weekly status deck, and the partner who shows up once a month to 'provide executive air cover.'

What about security, compliance, SOC 2, insurance?

Standard enterprise paperwork is pre-cleared and available on request: MSA, MNDA, SOW, SOC 2 (via partner), HIPAA BAA, W-9, and $2M professional liability / $1M cyber insurance certificates. Security architecture defaults to least-privilege IAM, scoped service accounts, KMS-managed secrets, and audit logs routed to your SIEM.

What are the failure modes of hiring an independent operator for a big build?

Real ones, worth naming: (1) capacity — one person cannot run two $150k engagements in parallel, so timing matters; (2) specialization gaps — deep FedRAMP, HIPAA, or mainframe-integration work needs partners; (3) political cover — if the project needs 'Accenture said so' to survive internal debate, an operator cannot provide that. Be honest about which of these apply to your situation before starting.

How do I verify the numbers on this page?

Every portfolio URL is live and linked. Every number is a median range drawn from public pricing pages of the named firms (Accenture, IBM Consulting, Deloitte, Salesforce Professional Services) and from independently-shipped work on this domain. If you find a claim that cannot be verified, email the site and it will be corrected publicly with a changelog entry.

The Honest Comparison · Issue No. 01

AI Consultants vs. Big Four Consulting, by the Numbers.

A quantified, source-linked comparison for VPs of Engineering, CIOs, and Chief Innovation Officers being quoted $250k – $500kby Salesforce, IBM, Deloitte, or Accenture for AI chatbot implementations that ship in 9 months and don't work.

Jon YeazelAI-Native Operator · 50+ builds shipped

First published2026-04-18

TL;DR

Five numbers that explain the entire delta.

16×
Median cost delta
Big Four$2.4MOperator$150k
3.7×
Median time-to-production
Big Four11 moOperator12 wk
40×
Headcount on the project
Big Four40 peopleOperator1 operator
0
Switching cost on day 91
Big Four18-mo lock-inOperatorYour code
∞
Model portability
Big FourLicensed modelOperatorYour API keys

§ 01 — The comparison

The line-by-line breakdown.

Eight dimensions. Big Four default on the left. Independent operator on the right. A plain-English reason in the gutter for why the delta exists. No editorializing.

Dimension

Salesforce · IBM · Deloitte · Accenture

Independent AI Operator

Typical project cost

Big Four$250k – $500k (before change orders)

Operator$150k fixed. Change orders require mutual sign-off.

Why: Big Four pricing bakes in partner/principal/manager/senior/analyst layers. One operator is all five layers at once.

Time to production

Big Four6 – 12 months. First 3 are discovery.

Operator12 weeks. Working prototype by end of week 1.

Why: No procurement cycle. No vendor onboarding. No legal review of a 400-page MSA. Contract Monday, code Tuesday.

Who writes the code

Big FourOffshore delivery pod you will not meet.

OperatorThe person on the call. Every line. Every meeting.

Why: The partner who sold you the deck is not the person building the thing. Verify this before signing anything.

The AI model itself

Big FourPlatform wrapper around GPT-3.5 / 4o (2023-era).

OperatorLatest frontier models — Claude Opus, GPT-5, whatever's best.

Why: Big platforms certify a model once and ride it for 3 years. Independent operators ship on the current frontier.

Where it runs

Big FourVendor-hosted SaaS. $20k – $80k/mo seat fees.

OperatorYour cloud (AWS / Azure / GCP). You own the infra.

Why: If the AI runs in the vendor's account, you're renting software, not owning it. The inference bill becomes permanent.

Model access

Big FourLicensed through vendor. 18-month renewal lock-in.

OperatorYour Anthropic / OpenAI / AWS keys. Your contract. Portable forever.

Why: Licensed access is the real product the big firms sell. Direct API access is a different economic structure entirely.

What happens on day 91 if you stop paying

Big FourSystem goes dark or enters 'read-only limbo.'

OperatorNothing. It's your code, your cloud, your keys. Keeps running.

Why: This single question separates owning software from renting it. Ask it out loud before signing.

Change orders

Big FourT&M scope creep. Real total often 2 – 4× the quoted number.

OperatorFixed scope, fixed price. New scope = written, priced, signed.

Why: Most of the Big Four margin lives in post-signature change orders, not the original SOW.

§ 02 — The framework

The Honest RFP Test.

Five questions to ask any AI vendor before you sign. If they can't answer all five in plain English — no hedging, no "it depends on discovery," no pointing at a platform deck — walk.

01
Who actually writes the code?
Trap: If the answer is 'a global delivery team' or 'our offshore practice,' you're buying a supervisor, not a builder.
Green: A named human (or tight named team) who you meet weekly. You have their calendar and their GitHub.
02
Where does the AI run, and whose account pays the inference bill?
Trap: If it runs in the vendor's cloud on the vendor's API keys, you are renting software on a 3-year lease disguised as a license.
Green: Your cloud. Your API keys. Your inference invoice from Anthropic / OpenAI / AWS Bedrock.
03
What happens on day 91 if I stop paying?
Trap: 'You'll lose access to the platform.' Translation: the vendor owns the thing you just paid to build.
Green: Nothing happens. The code is in your GitHub. The model is on your API key. It keeps running forever.
04
Show me a working system you shipped in the last 90 days.
Trap: Case study decks. Logo walls. 'Unfortunately that client is under NDA.' Every firm says this. Almost none have a live URL.
Green: A live URL I can open. A demo I can log into. A client I can call. Dated. Linked. Verifiable.
05
What's the fixed price, and exactly what triggers a change order?
Trap: 'It depends on discovery.' 'We'll scope in phase zero.' 'T&M with a not-to-exceed.' The real cost is 2 – 4× the quote.
Green: One number. One scope document. A written definition of what requires a new SOW. Signed before work starts.

Steal this framework. Run it against every vendor — including me. If I fail a question, I shouldn't get the work.

§ 03 — Receipts

Four recent ships.

Every link opens a live, trafficked URL. No case-study PDFs. No logos from 2019. No "client under NDA." The full portfolio sits at jonyeazel.ai.

§ 04 — Questions people actually ask

The hard ones, answered.

The 40-person team is not building — it is coordinating. Most of that headcount is project management, layered accountability, and meetings about meetings. The actual code is written by a small handful of offshore engineers. AI-native tooling (Claude, v0, Cursor) lets one senior operator output what used to take a full pod. The tradeoff is real: you lose the paper-trail comfort of 40 timesheets. You gain 16× cost savings and 3.7× faster delivery.

Q1 2026 · 1 slot open

Run The Honest RFP Test with me.

Send the quote you're holding. I'll walk you through all five questions in 30 minutes and tell you honestly whether to sign, renegotiate, or walk. Free. No pitch.

Book the 30-min audit Full enterprise pitch

If you'd rather save this for later: · text version

AI Consultants vs. Big Four Consulting, by the Numbers.

Five numbers that explain the entire delta.

The line-by-line breakdown.

The Honest RFP Test.

Who actually writes the code?

Where does the AI run, and whose account pays the inference bill?

What happens on day 91 if I stop paying?

Show me a working system you shipped in the last 90 days.

What's the fixed price, and exactly what triggers a change order?

Four recent ships.

MUD\WTR Shopify PDP

Rose Howard Estate

Dialer.io

v0 University

The hard ones, answered.

Run The Honest RFP Test with me.