Introduction
MarketingCopy AI is a B2B SaaS platform that helps small businesses and entrepreneurs create high converting marketing copy in seconds. They had an idea for an AI-powered copywriter and needed a partner to turn it into a real, reliable SaaS product that anyone could use in a browser. A tool that delivers consistent results across ads, emails, websites, blogs, and social media posts while keeping costs under control.
Aegasis Labs partnered with MaketingCopyAI to turn a concept for a GPT-powered copywriter into an AI powered software solution. We covered product strategy, UX, full-stack development, cloud architecture, and LLM optimization to consistently generate high-quality copy for emails, sales page, landing pages, social media pages, and product descriptions.
MarketingCopyAI were looking for a company with expertise in Cloud Solutions especially OpenAI API and Chatgpt based applications. They wanted a company that could train custom AI models based on their data and build scalable cloud applications.
Aegasis Labs designed and built their custom SaaS product using the following features,
- Launch a reliable, easy-to-use AI copywriter as a full SaaS product
- A clean, easy-to-use web app and editor, with guided templates for ads, emails, product descriptions, blog ideas, and social posts.
- A scalable cloud backend and APIs so responses are quick and the system can handle traffic spikes.
- Secure login, roles/teams, usage tracking, and subscription billing support.
- A prompt engine with reusable templates, tone and length controls, brand voice settings, and history.
- Built-in checks for readability and basic SEO hints, plus safe-content moderation.
- Project management features save, version, share, and export content when it’s ready.
- Designed an intuitive, template-driven UI/UX for key channels (ads, emails, landing pages, SEO, social) with brand-voice presets and one-click variants.
- Built the full stack frontend, backend, and cloud into a production, multi-user SaaS with secure authentication, RBAC, usage metering, billing, and monitoring.
- Fine-tuned GPT-3/ChatGPT on a custom dataset and engineered prompts for consistent tone, structure, and actionable CTAs.
The Story of MarketingCopy AI
MarketingCopy AI is a B2B SaaS company with a simple goal: to help small businesses and entrepreneurs create good marketing copy without needing a big budget or a large team. The founders had an idea that used GPT-3 prompts, but they needed a real product, something reliable, easy to use, and ready to sell as a subscription.
They began with a simple observation: most small businesses don’t have a full-time copywriter, yet they’re expected to produce polished ads, emails, landing pages, and social posts every week. They imagined a tool that felt like a creative partner, ask for what you need in plain language, get strong first drafts tuned to your brand voice, and publish in minutes. That’s where the product needed to grow from idea to dependable SaaS.
MarketingCopy AI invested in a curated dataset of high-performing SMB copy, brand-voice presets, and prompt frameworks tuned for real marketing outcomes clarity, structure, and strong calls-to-action. With one-click variants for testing and multilingual support, the product turns a short brief into ready-to-publish drafts in minutes, helping entrepreneurs and lean teams move from idea to campaign without the usual bottlenecks in time and budget.
The Opportunity
Small businesses and solo marketers live under a constant content crunch, ads, emails, landing pages, product updates, and social posts all demand fresh copies. But only a few have in-house copywriters or time to use Generic “AI writing” tools to test and produce random drafts. The result is inconsistent messaging, slow campaign cycles, and wasted ad spend from untested, off-tone creative.
LLMs like GPT3 opened the door to scale, but turning an idea into a dependable product was the real challenge here. Outputs needed to be brand-safe, on-message, and platform specific with tone controls and prompts that reflect offer, audience, and intent. The platform also had to operate as a true SaaS: multi-user security, usage metering and billing, cost and latency controls, and observability so teams can trust what’s generated and improve it over time.
There was a clear opportunity to build an AI copywriter that behaves like a creative partner. A tool that could capture brand voice once, generate high-quality drafts across channels in minutes, and provide one-click variants for testing. A custom AI model needed to be trained on curated datasets and prompt frameworks. An advanced AI Assistant wrapped in an intuitive workflow that non-experts could use every day.
The Solution
Aegasis Labs designed and developed the MarketingCopy AI platform, transforming a GPT prototype into a production-grade, multi-user SaaS. The product combines channel-specific prompt frameworks, brand-voice controls, and LLM customization to generate high-quality marketing copy.
- Template-driven workflows: Guided flows for ads, emails, landing pages, SEO, and social—collect only the essentials (offer, audience, tone) and produce structured drafts and one-click variants for A/B tests.
- Frontend and backend services with clean API boundaries; containerized services with CI/CD for rapid iteration.
- Brand voice & governance: Reusable voice presets, messaging pillars, and product benefit libraries automatically injected into prompts to keep outputs on-brand; role-based access and audit trails for edits and approvals.
- LLM customization & guardrails: Fine-tuned GPT-3/ChatGPT models on a curated dataset of high-performing SMB copy; prompt/response validation, PII and toxicity filters, and tone alignment scoring before content is shown.
- Multi-tenant SaaS foundation: Secure auth, organization/workspace model, RBAC, usage metering, credit-based plans, and billing; tenant isolation and encrypted storage by default.
- Cost & latency controls: Prompt caching, request batching, adaptive model selection by task complexity, and rate limiting to keep unit economics predictable at scale.
- Analytics & evaluation: Quality telemetry (ratings, edit distance, regeneration rate), channel performance dashboards, and continuous data feedback to improve prompts and fine-tunes.
Technologies used:
- LLMs: GPT-3 and ChatGPT (fine-tuned), prompt templates with tool/function calling
- Frontend: React/TypeScript (SPA), component library with accessible UI patterns
- Backend: Node.js/Python services, REST/GraphQL APIs, RBAC, audit logging
- Data: PostgreSQL, Redis cache, object storage for assets and datasets
- Infra & DevOps: Docker, Kubernetes, CI/CD pipelines, autoscaling; observability with logs/metrics/traces
- Cloud services: API gateway, secret management, monitoring/alerting, CDN for global performance
- Billing & metering: usage tracking, plan limits, credit management
The Results
MarketingCopy AI moved from a promising demo to a dependable, revenue-ready SaaS. Teams create channel-specific, on-brand copy in minutes, while the business runs with predictable costs and clear visibility into quality.
- Rapid content production: First drafts for ads, emails, landing pages, SEO, and social are generated in minutes, unlocking higher campaign throughput without adding headcount.
- Consistent brand voice: Presets, messaging pillars, and tone controls reduce rewrites and keep copy aligned across channels and teams.
- Quality that improves over time: Built-in ratings, edit-distance tracking, and regeneration analytics feed back into prompts and fine-tunes for steady lifts in output quality.
- Predictable economics: Prompt caching, batching, and adaptive model routing stabilize latency and unit costs as usage scales.
- Enterprise-grade operation: Multi-tenant isolation, RBAC, audit logs, usage metering, and billing turn the product into a reliable platform.
- Frictionless workflow: One-click variants for A/B testing and integrations to downstream tools shorten the path from idea to live campaign.