Weekly summary · 2026-W37

ChatGPT experiments tracker Summary archive

Custom models retirement date and local caching in ChatGPT

This weekly summary covers new local search caching features, the addition of a Lowe's advertising agent, and a retirement date for custom models.

2026-W37 · 2026-09-07 → 2026-09-13

841
feature gates
232
dynamic configs
329
layers
2026-09-13
last update
Powered by RESONEO
2

The summary

Generated every Sunday evening from the week's new entries.

Highlights of the week

The configuration changes observed this week indicate a noticeable focus on local search performance and the expansion of commercial partnerships. OpenAI is optimizing how local business data is handled in the interface, which is a relevant signal for generative engine optimization. Additionally, the integration of a new major retail brand into the business agents list suggests ongoing developments in the advertising and commerce ecosystem. On the user interface side, there are structural tests regarding source visibility on mobile devices and new annotation batching systems for web results. Finally, a specific retirement date has appeared in the configurations related to custom models, which warrants further observation.

Focus by theme

Search and local optimization

The configurations reveal optimizations for local search queries. A new flag enables the caching of local businesses in the sidebar, which suggests an effort to reduce latency and improve the user experience when displaying local entities and map notes. This technical adjustment implies that local business data might be stored temporarily on the client side, potentially impacting how often real-time local data is fetched during a session.

In the shopping and product search domain, several experimental flags related to shopping adjacent classifiers and beacon-triggered shopping features were disabled. This cleanup might indicate the end of specific e-commerce search experiments or a stabilization of the current product search interface.

Web execution and integrations

OpenAI is adjusting its third-party integration priorities. A configuration update explicitly activates Google Workspace connectors, including Google Calendar, Google Drive, and Gmail, while simultaneously disabling flags for SharePoint, Dropbox, and Linear. This suggests a targeted testing phase or a phased rollout prioritizing Google ecosystem integrations for web execution and file retrieval tasks.

Additionally, educational and mathematical web executions show signs of interface refinement. The system now specifies a dedicated widget name for graphable functions and selects a specific variant for math plots, indicating ongoing improvements in how the model renders and interacts with mathematical data visualizations.

Retrieval and grounding

A significant update affects how sources and retrieved documents are presented to the user. A new configuration activates a mobile-first approach for sources, which strongly suggests that OpenAI is testing displaying citations and reference links more prominently on mobile devices. This is a critical element for generative engine optimization, as it directly impacts traffic attribution from the assistant. This same configuration also enables new capabilities for live translation, file translation, and transcription.

The system for annotating web results is also evolving. New flags activate web annotations and annotation batching. This implies a technical change in how the assistant processes and displays citations from web crawls, likely grouping them to improve rendering speed or visual clarity.

Furthermore, the text revision system shows updates, with the activation of assistant revisions and a specific five-second timeout for revision text. This suggests tests around how the model edits or refines its own grounded responses before finalizing the output.

Advertising and commerce

The advertising and sponsored content ecosystem is expanding with the addition of a new production agent. The configuration listing dedicated business agents now includes a Lowe's production agent, joining previously established entities like Expedia, Booking, and Wayfair. This is a strong indicator that a new commercial partnership or sponsored integration is being prepared for the home improvement sector.

There are also minor adjustments to ad impression mechanics. A flag controlling whether the system waits for an ad transition before registering an impression has been disabled. This suggests tweaks to the telemetry and tracking of sponsored elements, likely to ensure more accurate or immediate impression counting.

To monitor

A new configuration introduces a specific retirement date set for December 11, 2026, accompanied by a help center URL related to GPTs. While the flag disabling GPT creation remains inactive, the presence of this date suggests that OpenAI is planning a lifecycle event, deprecation, or major transition for a specific feature within the custom models ecosystem. It is currently unsure what exact component this retirement date targets.

The user onboarding experience is also undergoing tests. A new configuration shifts the onboarding presentation to a task tiles format and introduces a work discovery badge. This indicates upcoming interface changes aimed at guiding users toward specific professional or task-oriented capabilities upon login.

3

Summary archive

Every archived week, immutable, in French and English, on its own page.

Custom models retirement date and local caching in ChatGPT This weekly summary covers new local search caching features, the addition of a Lowe's advertising agent, and a retirement date for custom models. 2026-W37 2026-09-07 → 2026-09-13 44 items with substance ChatGPT adds autonomous web browsing and artifact creation ChatGPT system instructions now include autonomous browser actions and artifact generation. The GPT-5.6 Luna model is also deployed for text editing. 2026-W34 2026-08-17 → 2026-08-23 42 items with substance Financial data for ChatGPT Work and hidden GPT-5.6 models The configuration reveals financial data access for workspaces, the hiding of recent GPT-5.6 models, and the addition of a Wayfair advertising agent. 2026-W33 2026-08-10 → 2026-08-16 56 items with substance Expedia business agents and local search testing in ChatGPT The code reveals dedicated business agents for Expedia and the integration of Yelp for local search. Rich text editing features are also in preparation. 2026-W32 2026-08-03 → 2026-08-09 43 items with substance ChatGPT tests a personalized ad agent and Google integrations The latest configuration data reveals a minimum viable product for personalized ads, new Google Workspace integrations, and writing style personalization. 2026-W31 2026-07-27 → 2026-08-02 55 items with substance ChatGPT exposes future models and integrates medical data Configuration files reveal unreleased models like GPT-5-pro and o4-mini. ChatGPT also integrates official healthcare databases and new ad tracking tools. 2026-W30 2026-07-20 → 2026-07-26 58 items with substance Upcoming ChatGPT Work interface and enterprise integrations This summary details the upcoming ChatGPT Work interface connected to enterprise tools, native document generation, and a global billing infrastructure. 2026-W29 2026-07-13 → 2026-07-19 9 items with substance

Other sources and studies

Sept 2026 RESONEO Shop, a WebMCP demo: 135 tools exposed to an AI agent, 33 guided scenarios, live and simulated data August 2026 What ChatGPT pulls, what it shows, what it cites (updated: it searches far less broadly, and cites just as much) August 2026 Google Map dissected: 72 ranking signals and the architecture linking the Web, places and AI July 2026 ChatGPT experiments tracker: what OpenAI tests before rollout July 2026 How your Google phone tracks you to "serve you better" June 2026 3,729,456 Google internal URLs, without opening a single one June 2026 What Google is really building June 2026 Inside Pinterest's algorithm June 2026 How Chrome classifies websites internally May 2026 Tomorrow's AI phone, seen from inside a Google APK More stuffs...
RESONEO