Weekly summary · 2026-W43

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ChatGPT experiments summary 2026-W43

Daily archive of ChatGPT feature flags and experiments (public Statsig payload): new entries, timeline, weekly summary focused on search, web run, retrieval and ads.

2026-W43 · 2026-10-19 → 2026-10-25

2073
feature gates
443
dynamic configs
789
layers
2026-10-25
last update
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The summary

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

Highlights of the week

The configuration data from this week indicates a strong focus on workspace automation, specialized scientific environments, and expanded document creation capabilities. The introduction of the Rosalind Workbench aligns with the recent availability of the GPT-Rosalind models. Additionally, extensive routing logic for subagents and new document types suggest an expansion of ChatGPT's role as a comprehensive enterprise work environment.

Focus by theme

Search

A detailed configuration outlines a persistent task coordinator utilizing the gpt-5.6-terra model. It defines routing logic for different types of work, explicitly delegating asynchronous tasks requiring browser control or computer use to subagents. It also establishes rules for project-bound work, using Codex threads for repository edits, continuous integration diagnosis, and pull requests.

A new handoff tool has been configured to redirect users from ChatGPT to specialized execution environments when a request involves local coding, complex financial modeling, or computer-use automation.

URL routing configurations reveal endpoints for features such as deep research, workspace agents, WhatsApp and Slack integrations, and parental controls.

Workspace permission layers now include a broad list of model identifiers, such as GPT-4.1, GPT-5.1, GPT-5.2, o3, o4-mini, and gpt-lifesciences. While their presence in the configuration does not confirm their active deployment, it indicates the structural groundwork for granular access control across a wider range of model generations.

Web run

Task suggestions and unread automations are being prioritized within the user interface for both chat and work surfaces.

Configurations for third-party connectors have been expanded to include a comprehensive list of enterprise domains, such as Google Workspace, Microsoft 365, Salesforce, Notion, Slack, and Atlassian.

Retrieval and grounding

Supporting the new Rosalind Workbench, specific tags have been introduced to filter scientific literature retrieval, including systematic reviews, randomized controlled trials, and observational studies. The workbench itself is designed to connect scientific tools, databases, and sequence viewers.

The platform is testing native support for new document formats identified internally as granola_workbook, granola_presentation, and granola_whiteboard. This is accompanied by a suite of presentation templates, such as Product Strategy, Weekly Business Review, and Annual Impact Report.

Following last week's configurations for goal tracking, a new system prompt instructs the model on how to interactively gather necessary details from users, such as check-in dates, before saving an automated goal. The model is instructed to offer concrete choices and wait for user answers before executing the automation.

The gpt-4o-mini model is now explicitly configured for batch dictation transcription, alongside speculative language hints to improve streaming dictation.

Ads and commerce

Configurations for elevated ad cards and conversation ad hydration remain active, indicating continued testing of sponsored content within the chat interface.

Following last week's introduction of auto-reload mechanisms for credit balances, new layers show a transition in checkout providers and the implementation of embedded credit checkouts.

A complex pricing matrix has been deployed, defining costs for various subscription tiers (go, prolite, pro, plus, promax) across multiple countries. These countries are categorized by low and high average revenue per user to adjust regional pricing dynamically.

To monitor

The flashcard widget, which was actively being refined last week, has had several of its specific feature flags disabled, though the onboarding flip remains active. This suggests a potential pivot or consolidation of the educational tool.

OpenAI is testing role-based capabilities that map specific professions, such as engineering, human resources, legal, and life sciences, to tailored tools. These tools include inbox summarization, data science charting, and a specific claude_import function, which suggests preparation for a feature allowing users to migrate data or conversations from Anthropic's platform.

The image generation pipeline continues to show adjustments, with the strict inpaint prompt being enabled and temporal prompt context caching being activated to optimize generation workflows.

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Summary archive

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

ChatGPT experiments summary 2026-W43 2026-W43 2026-10-19 → 2026-10-25 97 items with substance 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 Date a Knowledge Graph entity from its MID (calibrated on nearly 27,000 dated entities), and Google's original codec, rebuilt, that turns a MID into a 64-bit integer Oct 2026 Google BotGuard: what our tests reveal about access to results, session state, the checks run in the browser (up to four VMs on one results page) and SERP reliability 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 More stuffs...
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