Glossary
Inventory
The total available ad placements a publisher has to sell across its apps or sites, measured in impressions and segmented by format and audience.
Where we write about inventory
- ArticleAI Ad Infrastructure for Publishers: What to Build vs Integrate in 2026
- ArticleAd Networks for AI Apps in 2026: The Publisher-Side Landscape
- ArticleAd Placement Inside AI Chatbots: Where and How
- ArticleAdvertising on ChatGPT vs Perplexity vs Claude vs Gemini: The 2026 Landscape
- ArticleAI Advertising for B2B SaaS: Reaching Decision-Makers Inside AI Assistants
- ArticleAI Advertising for E-commerce: Turning Product Questions into Sales
- ArticleAI App Monetization Case Studies 2026 — 8 Teardowns
- ArticleAI App Revenue Models Compared: A 2026 Decision Matrix
- ArticleAI App RPM Benchmarks 2026: What Publishers Actually Earn
- ArticleChatGPT Ads for Enterprise: The 2026 Procurement and Governance Guide
- ArticleChatGPT Ads for Fintech: The 2026 Compliance Playbook
- ArticleChatGPT Ads for Healthcare: The 2026 HIPAA and FDA Playbook
- ArticleBrand Safety for AI-Assistant Ads: What Buyers Actually Get
- ArticleCan You Actually Advertise on ChatGPT in 2026?
- ArticleChatbot Ad Networks Explained: A 2026 Primer for AI Founders
- ArticleChatGPT Ad Formats vs Other AI Assistants: A 2026 Buyer's Map
- ArticleChatGPT Ads ROI: What the Early Data Actually Shows in 2026
- ArticleChatGPT Ads vs Google Ads: Should You Shift Budget in 2026?
- ArticleChatGPT Ads vs. Meta Ads: What Changes When Advertising Moves Into AI Conversations?
- ArticleChatGPT Free Tier Playbook for AI App Builders
- ArticleChatGPT Revenue Streams: A Full Breakdown (2026)
- ArticleGenerative AI Advertising, Explained
- ArticleGenerative AI Advertising for Publishers: 2026 Playbook
- ArticleGenerative AI Monetization: The 2026 Playbook
- ArticleHow Does ChatGPT Make Money? A 2026 Breakdown
- ArticleHow to Advertise on ChatGPT: The Honest 2026 Answer
- ArticleHow to Advertise on Gemini: The Honest 2026 Landscape
- ArticleHow to Advertise on Microsoft Copilot in 2026
- ArticleHow to Advertise on Perplexity in 2026: The Honest Step-by-Step
- ArticleHow to Buy ChatGPT Ads Without a Direct OpenAI Deal
- ArticleHow to Monetize an AI Chatbot App: The 2026 Playbook
- ArticleHow to Run Ads on ChatGPT (and Other LLMs)
- ArticleIntegrating Ads Into an LLM Chat Interface: A Publisher's Guide
- ArticleIntent-Based Targeting Inside AI Assistants: The 2026 Buyer's Guide
- ArticleLLM Monetization Strategies for App Builders (Stage-by-Stage)
- ArticleMeasuring AI-Assistant Ad Performance Honestly in 2026
- ArticleMonetize Free-Tier AI App Users Without Killing Retention
- ArticleOpenAI Ads, ChatGPT Ads and the Rise of Advertising in AI Conversations
- ArticleDid OpenAI Just Reveal Ad Network Plans? What a Job Posting Means for AI Advertising
- ArticleRevenue Per Query for AI Apps: How to Model It Honestly in 2026
- ArticleSubscription vs Ads for AI Apps: Which Model Wins in 2026
- ArticleWhat ChatGPT Ads Actually Cost in 2026
- BlogAgentic Commerce: Why Retailers Need Conversational Interfaces
- BlogFrequently Asked Questions (FAQ)
More in programmatic and supply
The exchanges, platforms and inventory an impression passes through.