A chart of the OpenAI ecosystem
Everything about OpenAI, mapped.
ChatGPT, GPT Models, Codex, API, Prompt, Memory, Voice, Images, MCP — every corner of the OpenAI ecosystem, organized into one navigable map.
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Latest articles
Bilingual Content Production: zh Master Drafts, en Rewrites, and Consistency Checks
In a bilingual knowledge base the en version is a rewrite for English readers, not a translation: shared vs independent frontmatter fields, target-language link titles, and a two-round tightening method for over-length fields.
Read articleMCP stdio Transport Deep Dive: Message Framing, Process Lifecycle, and Backward Compatibility (2026-07-28 Spec)
The MCP stdio transport at spec level: newline-delimited JSON-RPC framing, the stdout/stderr boundary, cancellation and shutdown lifecycle rules, crash restarts, and backward-compatibility probing.
Read articleWorld-State Consistency for Multi-Author Knowledge Bases
The deadliest failure in a multi-author, AI-assisted knowledge base is contradictory facts. GPTMap's world-state pattern: a dated shared-facts snapshot, three-step change propagation, and build-time consistency assertions.
Read articleMCP Authorization Explained: How OAuth 2.1 Lands in MCP (2026-07-28 Spec)
The MCP authorization spec clause by clause: role mapping, RFC9728 discovery, three registration mechanisms, the iss validation table, resource parameters, token red lines, and the step-up authorization flow.
Read articleEFS Explained: How Anthropic Squares Zero-Retention Privacy with Safety Monitoring
Anthropic's Enterprise Frontier Safeguards (EFS), announced 9-01: zero-data-retention-equivalent privacy, storage on customer-controlled cloud infrastructure, customer-side reviewers -- co-built with 100+ customers, free.
Read articleHow to Read the Benchmark Charts in a Model Launch: Effort Curves, Log Cost Axes, and Safeguard Interventions
Model-launch accuracy-vs-cost charts carry hidden methodology choices. Worked on the 2026-09-01 Claude Fable 5.1 announcement: effort curves, log axes, error bars, scoring conventions, missing cells, safeguard zero-scores.
Read articleSource Verification and Review-Until-Clean: A Fact-Checking Workflow for AI Content
The costliest failure in AI-assisted content is the factual error. GPTMap's workflow: three writing rules plus a five-step review loop, with a real verification case from a launch announcement.
Read article01 — Regions
Six regions of the map
From official tooling to deep research — each region covers a slice of the OpenAI ecosystem.
ChatGPT & Memory
ChatGPT end-to-end plus cross-conversation Memory: accounts, plans, Canvas, Voice, GPTs.
10 articles
Models & API
GPT-5.6 family selection and the OpenAI API in practice: Responses API, streaming, function calling, billing.
11 articles
Developer Tools
Codex CLI engineering workflows and the Model Context Protocol (MCP) in practice.
13 articles
Creation Studio
Image generation, custom GPTs, prompt patterns, and Realtime Voice: turning models into creative tools.
19 articles
Deep Research
ChatGPT's multi-turn research agent: how it works, quotas, citation hygiene, and prompt patterns.
5 articles
News & Updates
OpenAI changelog, industry news, and the editorial publishing handbook: stay current with the ecosystem.
22 articles
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