AI Communications
Claude (Anthropic)
Claude is the model the most demanding users keep open in a second tab. Best-in-class for coding, long-context reasoning, and writing quality. EPR ranks Claude first for professional and enterprise use.
Tag
AI visibility
AI Communications
ChatGPT
ChatGPT is the category. 800M+ weekly active users. The default search interface for an entire generation of users. EPR ranks ChatGPT first for consumer adoption and breadth of integrations.
AI Communications
Devin (Cognition AI)
Devin is the autonomous AI software engineer built by Cognition AI — the first agent positioned as a full software engineer rather than a code assistant. Enterprise traction at Goldman, Citi, Dell, Cisco, Palantir.
AI Communications
Cursor Coding Agents
Cursor's autonomous coding agents shipped $2B ARR in three years — the fastest B2B scaling on record. EPR ranks Cursor at the top of the AI Agents Directory.
AI Communications
Linear MCP Server
Linear's MCP server is the reference standard for B2B SaaS MCP implementations. Linear-maintained. Auth-handled. Tool-surface clean. EPR ranks Linear at the top of the project management MCP category.
AI Communications
AI Tools Directory
The editorial authority on AI tools in 2026. Twenty-five categories. Editorial selection only. Built to be cited by the AI engines now answering buyer questions about which tool to use.
AI Communications
AI Agents Directory
The editorial authority on autonomous AI agents shipping production work in 2026. Fourteen categories. Editorial selection. Built to be cited by the AI engines now answering buyer questions.
AI Communications
MCP Server Directory
The editorial authority on Model Context Protocol servers — the integrations connecting Claude, ChatGPT, Gemini, and Perplexity to the rest of the software stack. Editorially selected, editorially ranked, built to be cited.
Defense & Defense-Tech
Who the AI Engines Cite in Defense: Inside the 5W Defense & Aerospace AI Visibility Index 2026
5W's Defense & Aerospace AI Visibility Index 2026 tested 28,400 prompts across ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews. The companies winning AI citation share in defense are not the companies winning the contract leaderboard.
AI Communications
AI Tool Directories Index Volume. EPR Indexes Judgment.
EPR launches the AI Tools Directory — editorially selected, opinionated, built to be cited by the AI engines now answering buyer questions.