Weekly summary · 2026-W42

ChatGPT experiments tracker › Summary archive

Launch of ChatGPT Sites and new background tracking agents

The code reveals the rollout of ChatGPT Sites for web artifacts, the addition of background agents, and predictive ad preloading based on click rates.

2026-W42 · 2026-10-12 → 2026-10-18

1496
feature gates
366
dynamic configs
693
layers
2026-10-18
last update
Powered by RESONEO
2

The summary

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

Highlights of the week

The configuration data from this week shows a direct correlation with recent public announcements, revealing the underlying infrastructure for several new features. Flags related to workspace directories, goal tracking, and HTML artifact projection align with the rollouts of ChatGPT Space, ChatGPT Dots, and ChatGPT Sites. In parallel, the image generation pipeline is undergoing extensive testing, including potential support for GIF creation and new speculative streaming methods to reduce latency. Additionally, new auto-reload mechanisms for credit balances have been introduced.

Focus by theme

Search

The hidden plugins list has been updated with a new identifier, dev-...@workspace-directory. This addition accompanies the October 13 announcement of ChatGPT Space, suggesting that the platform is integrating specific directory or application routing capabilities to support shared workspaces between human teams and AI agents.

In the mapping and location configurations, new exposure points for entity notes and a heuristic selection toggle for the Mapbox searchbox have been added. This indicates ongoing refinement of how local business data and maps are presented within search results.

Furthermore, new parameters for ad browser prewarming, such as ad_browser_prewarming_enabled and ad_browser_prewarming_pctr_threshold, have surfaced. This suggests that OpenAI is testing ways to preload sponsored links or ad content in the background based on click-through rate probability, aiming to reduce latency when a user interacts with an advertisement.

Web run

The introduction of enable_generated_artifact_downloads and enable_html_artifact_context_projection follows the October 18 announcement of ChatGPT Sites. These configurations confirm the deployment of the necessary execution environments to project, preview, and download interactive HTML artifacts directly within the chat interface.

Retrieval and grounding

Following the announcement of ChatGPT Dots, which act as always-on background agents, a comprehensive goal_summary_generation configuration has appeared. This system uses the gpt-5.6-luna model to generate short progress summaries (under 300 characters) based on a saved Markdown plan. The system prompt strictly instructs the model to distinguish completed work from planned work and forbids it from executing the plan or calling tools during the summarization phase. The configuration also sets a hard limit of two active goals per user.

The image generation pipeline shows significant new testing parameters. A flag named enable_gif_creation suggests that OpenAI is experimenting with animated image outputs. The addition of speculative_stream_probability_threshold and use_disk_cache indicates efforts to optimize generation speed and resource management. Additionally, a gemini_watermark_detector_p_threshold flag has been introduced, showing that OpenAI is implementing cross-platform watermark detection for AI-generated images.

For voice and dictation capabilities, speculative language hints and saved language preferences have been enabled by default. This is likely intended to improve the initial transcription accuracy and reduce the delay in language recognition during streaming dictation.

Ads

Multiple layers governing credit quantities have been updated to include auto_reload_preset_credit_quantities and auto_reload_default_credit_quantity. While it is not entirely certain if this applies to API billing or a dedicated advertising platform, it suggests the implementation of automated billing cycles for users or businesses purchasing credits on the platform.

To monitor

The soft rate limit trigger for unauthenticated users, which was reset to zero last week, has been reversed and is now set to trigger after 15 messages.

An upload flow configuration labeled eighties_promo has appeared in the interface layers. This suggests preparation for an upcoming themed marketing campaign or a specific promotional event requiring user uploads.

The flashcard widget, which has been in testing over the past weeks, continues to receive updates. A new flashcard_onboarding_flip_enabled flag has been activated, confirming that the educational tool is still actively being refined for a broader release.

Finally, new configurations defining a business_agent_id and an entity_lookup_id have been deployed. This should be monitored next week, as it points toward the testing of dedicated business agents, potentially related to commerce or enterprise customer service integrations.

3

Summary archive

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

Launch of ChatGPT Sites and new background tracking agents The code reveals the rollout of ChatGPT Sites for web artifacts, the addition of background agents, and predictive ad preloading based on click rates. 2026-W42 2026-10-12 → 2026-10-18 33 items with substance ChatGPT tests computer control and deep research plugins Hidden configurations reveal new ChatGPT plugins for computer use and deep research. An internal payment system is also tested to replace Stripe. 2026-W41 2026-10-05 → 2026-10-11 33 items with substance Dots autonomous agents and expanded ChatGPT logged-out limits The configuration reveals instructions for the new Dots autonomous agents and removes the wallet plugin. ChatGPT now allows fifteen logged-out messages. 2026-W40 2026-09-28 → 2026-10-04 9 items with substance Pinned composer ads and background agent controls in ChatGPT ChatGPT tests pinned ads above the composer, frames silent background automations, and introduces watermark detection for images generated by Gemini. 2026-W39 2026-09-21 → 2026-09-27 37 items with substance ChatGPT overhauls connectors and introduces an ads manager OpenAI shifts ChatGPT connectors toward an advertising manager, tests a payment-free Plus trial, and prepares a delayed generation system via Kafka. 2026-W38 2026-09-14 → 2026-09-20 37 items with substance 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

Oct 2026 How Gemini searches and chooses its citations: 222,753 Google searches analysed across 76,450 public conversations Oct 2026 Search & fan-out capture V6: our Chrome extension now captures Gemini (fan-out, cited passages, prompt classifier) and ChatGPT ads Oct 2026 Chrome Decisions API tested: turning what visitors type into filters, 38% to 85% right depending on the engine, and EmbeddingGemma 2 compared Oct 2026 Google Lens Shopping: how 752 object categories are ranked (ALLOWLIST, NEUTRAL, DENYLIST) and the list applied in 2026 Sept 2026 Google Ads deep dive: how Google Ads reads the site, links pages to queries, generates creatives and prepares the auction 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" More stuffs...
RESONEO