ChatGPT experiments tracker › Summary archive
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
Generated every Sunday evening from the week's new entries.
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.
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.
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.
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.
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.
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.
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