3RD Tech Stack

AI visibility monitoring and optimization platform for brands

Information Services Copenhagen 2–10 employees Founded 2025 Public Company

Third monitors how brands appear in generative AI answers across ChatGPT, Gemini, and Claude—a category that didn't exist six months ago. The stack is purely AI-native (Claude, GPT-4, Gemini, plus content tools like Runway and ElevenLabs), and the project list reveals a company building both the product layer (monitoring dashboards, content briefs) and go-to-market engine (sales playbooks, inbound conversion). The pain-point pattern—content gaps, low AI visibility, discovery friction—maps directly to their core offer: they're solving the problem they're built to understand.

Tech Stack 11 technologies

Core StackGitHub Copilot Claude GPT-4 Gemini Replit Midjourney Runway ElevenLabs ChatGPT Perplexity LinkedIn

What 3RD Is Building

◆Challenges

Improving ai visibility
Content gap identification
Workflow automation
Lack of ai visibility
Difficulty in ai-driven discovery
Low brand visibility in ai engines

▲Active Projects

Ai visibility content workflow
Content system behind ai visibility
Ai-powered content briefs and outlines
Ai monitoring data interfaces
Category-defining product
Category building for ai visibility
Building repeatable sales playbooks
Improving inbound conversion and pipeline quality
Digital marketing engine
Campaign optimization across linkedin and other channels

Hiring Activity

Steady6 roles · 2 in 30d

Department

Marketing

Design

Engineering

Product

Sales

Seniority

Mid

Senior

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About 3RD

Third is a Copenhagen-based platform and consulting service launched in December 2024, focused on helping brands secure visibility in generative AI answers. As AI agents become the discovery layer for consumers, Third provides monitoring across major LLM platforms, visibility scoring, and narrative optimization services. The product surface includes AI monitoring dashboards, content gap analysis, and AI-powered content generation tools. The organization is lean (2–10 people) with balanced hiring across engineering, product, design, marketing, and sales—operating as a category-creation company rather than a feature-add business.

HeadquartersCopenhagen

Company Size2–10 employees

Founded2025

Hiring MarketsDenmark

Frequently Asked Questions

What tech stack does 3RD use?

Third's stack is AI-native: Claude and GPT-4 for core logic, Gemini for multi-model coverage, plus content creation tools (Runway, ElevenLabs, Midjourney). GitHub Copilot, Perplexity, and Replit appear in dev workflows.

What is 3RD working on?

Third is building AI visibility monitoring (dashboards, data interfaces), content optimization workflows (briefs, outlines, gap identification), and go-to-market playbooks (sales repeatable processes, inbound conversion, LinkedIn campaigns).