case-study

A developer rebuilt a utility company's application form using an HTML-first approach with Astro, replacing a failed React app. The new site was accessible, worked on poor connections, and doubled user submissions overnight, avoiding potential fines.

Nextdoor engineers use OpenAI's Codex to accelerate software development, enabling individual engineers to own end-to-end features and shifting the bottleneck from engineering to strategic decisions.

This article explores how small business owners, like tutor Sam Finnegan-Dehn, use AI tools such as Notion AI to automate administrative tasks, improve productivity, and set goals, while noting potential drawbacks and costs.

A case study detailing how implementing LuMay Voice Agent in a US dental clinic eliminated missed calls, automated appointment handling, and reduced front desk workload, highlighting AI voice agents as a solution for healthcare lead conversion.

A CEO prototyped an AI agent using Claude MCP and NetSuite, but it failed to scale. BotsCrew rebuilt the stack, achieving 50% automation, 24x faster responses, and $140K annual savings.

This paper presents a systematic analysis of three agent interaction paradigms (Generator-Evaluator, ReAct Loop, and Adversarial Evaluation) implemented in the buddyMe framework, with empirical case studies from real-world deployments. It formalizes a five-stage pipeline and a six-dimensional evaluation schema, offering practical design guidelines for multi-paradigm agent systems.

AutoScout24 implemented OpenAI's Codex and ChatGPT across its engineering and broader workforce, significantly reducing development timelines and improving code quality.

The author shares a six-month case study of employing an AI system as co-CEO, detailing operational successes like increased content velocity and time savings, alongside challenges such as initial chaos and the need for structural hierarchy.

An exploration of using Codex and HyperFrames to create nostalgic gaming videos, noting the potential for commercial work despite long production times.

A solo founder details how using Claude to optimize technical SEO, structured data, and performance helped agensi.io achieve 500K+ impressions in two months without marketing spend.

The author claims to have created a promotional video for Pop Mart using Codex and HyperFrames, highlighting the combination of top-tier IP and visual design for marketing purposes.

The author shares a practical breakdown of an agentic research system they built to identify and evaluate AI use cases within companies. The system uses six agents for discovery, evaluation, and context extraction, emphasizing human-in-the-loop decision-making over full autonomy.

This case study empirically investigates where anonymization should be applied in Retrieval-Augmented Generation (RAG) pipelines to balance privacy and utility, examining the impact of anonymization at different stages (dataset vs. generated answer) to inform privacy risk mitigation strategies.

STADLER, a 230-year-old waste sorting technology company, has successfully embedded ChatGPT across its organization to enhance knowledge work productivity, achieving 30-40% time savings on documentation tasks and 2.5x faster drafting with >85% daily active usage across 125 custom GPTs.

Zenken, a Japanese web marketing and HR services company, deployed ChatGPT Enterprise organization-wide and reported significant business improvements including 90% weekly active usage, 30-50% time savings on knowledge work, and notable sales performance gains (15-20% increase in proposal pass rates, 5-10% win rate improvement).

Virgin Atlantic shares how it uses AI, particularly OpenAI's ChatGPT Enterprise, to enhance operations across software development, HR, and finance while maintaining brand identity and responsible governance in a regulated industry.

Neuro Gum, a nine-figure consumer goods brand, leverages ChatGPT Business to streamline operations across legal, marketing, and supply chain management, enabling a lean 70-person team to compete at national scale with placement in CVS stores nationwide.

Dai Nippon Printing (DNP) deployed ChatGPT Enterprise across ten departments in February 2025, achieving 90% of use cases with measurable results, 100% weekly active usage, and 87% automation rate in time reduction within three months. The implementation particularly transformed patent research workflows, reducing research time by 95% and expanding coverage by 10x.

Steuerrecht.com, a boutique German tax and law firm, leverages ChatGPT Business to create virtual departments for marketing, contract drafting, research, and knowledge management, significantly reducing time spent on routine tasks and enabling growth with a lean 10-person team.

Plex Coffee uses ChatGPT Business and custom GPTs to streamline staff training, knowledge sharing, and customer service across their growing café chain, reducing onboarding time from weeks to days and cutting WhatsApp messages by over 50%.