Example projects · by sector

50 real use-cases
— stack, model & budget.

A gallery to spark scoping: for each, the sector, the job, RAG or not, the framework, the model we'd start on (not only Claude), and the running-cost tier. Filter by approach, budget, or search a sector.

Approach
Budget
E-commerce € low-cost

Support reply drafting

Draft answers grounded in shipping & returns policies.

RAG Claude Haiku 4.5
Stack: Fastify · Claude API · local embeddings
E-commerce € low-cost

Product description generator

Spec rows → on-brand copy at scale.

Prompt-only GPT-4o mini
Stack: Next.js · OpenAI · batch
E-commerce € low-cost

Review summarization

Thousands of reviews → pros / cons digest.

Prompt-only Gemini 2.0 Flash
Stack: FastAPI · Gemini · batch
E-commerce € low-cost

Product auto-categorisation

Tag products into the catalogue taxonomy.

Classification Claude Haiku 4.5
Stack: Fastify · Claude API · prompt caching
Fashion / Retail € low-cost

Size & fit assistant

Answer fit questions from size guides.

RAG Claude Haiku 4.5
Stack: Astro · Claude API · MiniLM
Healthcare €€ mid

Clinic FAQ assistant

Patient FAQs from clinic docs — no medical advice.

RAG Claude Sonnet 4.6
Stack: Fastify · Claude API · pgvector
Healthcare €€ mid

Clinical note summarization

Summarize records into a GP handover.

Long-context Gemini 1.5 Pro
Stack: FastAPI · Gemini · prompt caching
Healthcare €€ mid

Claim form extraction

Pull structured fields from claim forms.

Extraction Claude Sonnet 4.6
Stack: FastAPI · Claude API · tool use (JSON)
Pharma €€ mid

Drug-info Q&A (internal)

Ground answers in approved leaflets.

RAG Claude Sonnet 4.6
Stack: NestJS · Claude API · Qdrant
Legal €€ mid

Contract clause extraction

Term, renewal, liability → a tracker.

Extraction Claude Sonnet 4.6
Stack: FastAPI · Claude API · tool use (JSON)
Legal €€€ premium

Case-law research assistant

Find & summarize relevant precedents.

RAG Claude Opus 4.8
Stack: Fastify · Claude API · pgvector
Legal €€ mid

NDA review / redline

Flag risky clauses against a playbook.

Long-context Claude Sonnet 4.6
Stack: Next.js · Claude API · prompt caching
Accounting € low-cost

Invoice data extraction

PDF invoices → structured ledger entries.

Extraction GPT-4o mini
Stack: FastAPI · OpenAI · tool use (JSON)
Accounting €€ mid

Tax-rule Q&A (internal)

Answer staff from the firm's tax memos.

RAG Claude Sonnet 4.6
Stack: Fastify · Claude API · pgvector
Banking / Finance € low-cost

Transaction categorisation

Label transactions for budgeting.

Classification GPT-4o mini
Stack: FastAPI · OpenAI · batch
Banking / Finance €€ mid

KYC document extraction

Extract ID & address from onboarding docs.

Extraction Claude Sonnet 4.6
Stack: FastAPI · Claude API · tool use (JSON)
Banking / Finance €€ mid

Earnings-call summarization

Transcripts → key points & risks.

Long-context Gemini 1.5 Pro
Stack: FastAPI · Gemini · prompt caching
Insurance € low-cost

Policy Q&A assistant

Answer customers from policy wordings.

RAG Claude Haiku 4.5
Stack: Fastify · Claude API · MiniLM
Insurance € low-cost

Claims triage & routing

Route claims by type & urgency.

Classification Claude Haiku 4.5
Stack: Fastify · Claude API · webhook
Real estate € low-cost

Listing description generator

Property facts → listing copy.

Prompt-only GPT-4o mini
Stack: Next.js · OpenAI · batch
Real estate € low-cost

Lease Q&A for tenants

Answer questions from lease agreements.

RAG Claude Haiku 4.5
Stack: Fastify · Claude API · pgvector
Real estate €€ mid

Mortgage doc extraction

Extract figures from applications.

Extraction Claude Sonnet 4.6
Stack: FastAPI · Claude API · tool use (JSON)
HR € low-cost

Employee handbook assistant

Answer HR / IT / process questions.

RAG Claude Haiku 4.5
Stack: Fastify · Claude API · Slack · pgvector
HR €€ mid

CV screening & ranking

Score CVs against a job spec.

Classification Claude Sonnet 4.6
Stack: FastAPI · Claude API · prompt caching
HR € low-cost

Job description writer

Role inputs → a clean JD draft.

Prompt-only GPT-4o mini
Stack: Next.js · OpenAI
Recruitment €€ mid

Candidate-to-role matching

Match CVs to open roles by similarity.

RAG Claude Sonnet 4.6
Stack: FastAPI · Claude API · Qdrant
Education €€ mid

Course Q&A tutor

Answer from course materials with citations.

RAG Claude Sonnet 4.6
Stack: Next.js · Claude API · pgvector
Education € low-cost

Quiz & question generator

Generate questions from a lesson.

Prompt-only Gemini 2.0 Flash
Stack: FastAPI · Gemini · batch
Education €€ mid

Essay feedback assistant

Rubric-based feedback on writing.

Prompt-only Claude Sonnet 4.6
Stack: Fastify · Claude API
Logistics € low-cost

Ops inbox triage

Classify & route incoming emails.

Classification Claude Haiku 4.5
Stack: Fastify · Claude API · webhook
Logistics € low-cost

Shipment update drafting

Draft updates from internal tracking notes.

RAG Claude Haiku 4.5
Stack: Fastify · Claude API · MiniLM
Manufacturing €€ mid

Equipment-manual assistant

Field techs query machine manuals.

RAG Claude Sonnet 4.6
Stack: FastAPI · Claude API · pgvector
Manufacturing €€ mid

Defect report classification

Categorize QA reports — data stays on-prem.

Classification Llama 3.1 70B
Stack: FastAPI · vLLM (self-host) · on-prem
Hospitality € low-cost

Hotel concierge chatbot

Answer from hotel info & local guide.

RAG Claude Haiku 4.5
Stack: Fastify · Claude API · MiniLM
Restaurant € low-cost

Menu & allergen Q&A

Answer allergen questions from menu data.

RAG Gemini 2.0 Flash
Stack: Express · Gemini · pgvector
Restaurant € low-cost

Review response drafting

Draft replies to public reviews.

Prompt-only GPT-4o mini
Stack: Next.js · OpenAI
Travel €€ mid

Itinerary builder

Build trips from a catalog + preferences.

Long-context Gemini 1.5 Pro
Stack: FastAPI · Gemini · prompt caching
Travel €€ mid

Multilingual support

Answer in the customer's language from policies.

RAG Claude Sonnet 4.6
Stack: Fastify · Claude API · Qdrant
Marketing €€ mid

Brand-voice rewriter

Hold a specific tone across content.

Fine-tune Mistral Large
Stack: FastAPI · Mistral · few-shot (fine-tune if needed)
Marketing €€ mid

SEO blog drafting

Keyword brief → article draft.

Prompt-only Claude Sonnet 4.6
Stack: Next.js · Claude API
Marketing € low-cost

Ad copy variants

Generate A/B ad variants fast.

Prompt-only GPT-4o mini
Stack: Next.js · OpenAI · batch
SaaS € low-cost

In-app docs assistant

Answer from product documentation.

RAG Claude Haiku 4.5
Stack: Next.js · Claude API · pgvector
SaaS € low-cost

Bug-report triage

Severity + component routing.

Classification GPT-4o mini
Stack: Fastify · OpenAI · webhook
SaaS € low-cost

Release-notes writer

Merged PRs → release notes.

Prompt-only Claude Haiku 4.5
Stack: Node · Claude API · CI
Media / Publishing € low-cost

Article summarization

TL;DR + auto-tags for archives.

Prompt-only Gemini 2.0 Flash
Stack: FastAPI · Gemini · batch
Media / Publishing €€ mid

Interview → article

Turn transcripts into a draft piece.

Long-context Claude Sonnet 4.6
Stack: Next.js · Claude API · prompt caching
Construction €€ mid

Specs & standards Q&A

Query building codes & specs.

RAG Claude Sonnet 4.6
Stack: FastAPI · Claude API · pgvector
Government / Public €€€ premium

Citizen FAQ assistant

Answer from public docs — data sovereignty.

RAG Llama 3.1 70B
Stack: FastAPI · vLLM (self-host) · pgvector · on-prem
Nonprofit €€ mid

Grant-application assistant

Draft from past successful grants.

RAG Claude Sonnet 4.6
Stack: Next.js · Claude API · MiniLM
Automotive € low-cost

Dealer service Q&A

Answer from service manuals & warranty.

RAG Claude Haiku 4.5
Stack: Fastify · Claude API · pgvector

Pick the model to fit the budget

Indicative ballparks in USD per 1M tokens (early 2026) — always verify live pricing before quoting a client. Our default is Claude; other providers fit some budgets or data-residency needs.

ModelProvider~$/1M in~$/1M outBest for
Gemini 2.0 Flash Google ~$0.10 ~$0.40 cheapest, huge volume
GPT-4o mini OpenAI ~$0.15 ~$0.60 very cheap, simple tasks
Claude Haiku 4.5 Anthropic ~$1 ~$5 our cheap default
Gemini 1.5 Pro Google ~$1.25 ~$5 long context
Mistral Large Mistral (EU) ~$2 ~$6 EU-hosted option
GPT-4o OpenAI ~$2.5 ~$10 balanced general
Claude Sonnet 4.6 Anthropic ~$3 ~$15 balanced reasoning
Claude Opus 4.8 Anthropic ~$15 ~$75 hardest tasks / judge
Llama 3.1 70B Meta · self-host infra only infra only $0 API, data stays in-house

These are starting points, not quotes — always run the advisor and an eval on the real brief.