EXVIV evidence profile

OpenAI Codex

https://openai.com/codex/

Review verified moves first. Open the official source or before-and-after evidence when you need the full record.

Public proof receipts

The useful part, first.

These are delayed P0 and P1 receipts from the curated public set. Same-day coverage and the rest of the watchlist stay in a private workspace.

P0launchSep 15, 2026

GPT-5.5 will retire from ChatGPT, ChatGPT Work, and Codex on all plans on October 14, 2026, excluding the OpenAI API.

BEFORE

#39023 Reduce retained MCP result data in TUI history @copyberry

AFTER

2026-09-14 GPT-5.5 retires from ChatGPT, ChatGPT Work, and Codex on October 14 On October 14, 2026, GPT-5.5 will retire from ChatGPT, ChatGPT Work, and Codex on all plans, including consumer, Business, Enterprise, and Edu plans. This retirement does not apply to the OpenAI API. For Codex with ChatGPT sign-in, switch from gpt-5.5 to gpt-5.6-sol (GPT-5.6 Sol) before the retirement date. Update workspace defaults, saved…

View evidence

GPT-5.5 will retire from ChatGPT, ChatGPT Work, and Codex on all plans on October 14, 2026, excluding the OpenAI API. Users of Codex with ChatGPT sign-in must switch from gpt-5.5 to gpt-5.6-sol before the retirement date.

WHY IT MAY MATTER

A new release or deprecation can change feature parity, migration risk, and the next competitive response.

Open public receipt → Current source ↗

P1packagingSep 15, 2026

The product’s packaging or offer changed.

BEFORE

This article outlines the current credit rates for ChatGPT Business and Enterprise/Edu plans under flexible, credit–based pricing. It covers ChatGPT models and features, ChatGPT for Excel, ChatGPT for PowerPoint, Workspace Agents, ChatGPT Work, and Codex.

AFTER

New and existing Enterprise, Edu, Health, Gov, and ChatGPT for Teachers customers whose workspaces use credit-based pricing.

View evidence

Eligibility for the legacy rate card is now restricted to Enterprise, Edu, Health, Gov, and ChatGPT for Teachers customers whose workspaces use credit-based pricing. Most new and existing customers using credit-based pricing have been migrated to token-based credit pricing and should use the ChatGPT Work and Codex rate card.

WHY IT MAY MATTER

A packaging or usage-policy change can alter effective price, product eligibility, and customer comparisons.

Open public receipt → Current source ↗

P1featureSep 11, 2026

ChatGPT desktop on macOS and Windows now supports quick chats via floating Pets controls and keyboard shortcuts.

BEFORE

2026-08-24 Codex MCP server command deprecated The codex mcp-server command is now deprecated. Use the Codex app server instead. To use Codex from Claude Code, use the Codex plugin for Claude Code.

AFTER

Quick chats with Pets and Appshots on Windows 26.908

View evidence

ChatGPT desktop on macOS and Windows now supports quick chats via floating Pets controls and keyboard shortcuts. Appshots are now available in the ChatGPT desktop app on Windows, allowing users to share the frontmost app window.

WHY IT MAY MATTER

A new release or deprecation can change feature parity, migration risk, and the next competitive response.

Open public receipt → Current source ↗

Monitored sources