I’ve been tracking this for a while, and all I can say is that it looks like the agent backend is broken. It’s happening across all websites, the moment the agent tries to interact and control the browser. Here’s an example request-response.
Request:
fetch("https://chatgpt.com/backend-api/f/conversation", {
"headers": {
"accept": "text/event-stream",
"accept-language": "en-US,en;q=0.9",
"authorization": "Bearer [you wish]",
"content-type": "application/json",
"oai-client-build-number": "8008315",
"oai-client-version": "prod-4bda065f9289c86e8c6af9828bb28c19eb4ab3bc",
"oai-device-id": "[REDACTED]",
"oai-echo-logs": "0,393357,1,405368,0,412858,1,414929,0,424506,1,426252",
"oai-language": "en-US",
"oai-session-id": "[REDACTED]",
"oai-telemetry": "[1,162.30000001192093,28,119,13,2,0,165]",
"openai-sentinel-chat-requirements-token": "[REDACTED]",
"openai-sentinel-proof-token": "[REDACTED]",
"openai-sentinel-turnstile-token": "[REDACTED]",
"priority": "u=1, i",
"sec-ch-ua": "\"Not)A;Brand\";v=\"24\", \"ChatGPTBrowser\";v=\"149\", \"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"macOS\"",
"sec-fetch-dest": "empty",
"sec-fetch-mode": "cors",
"sec-fetch-site": "same-origin",
"x-conduit-token": "[REDACTED]",
"x-oai-is-pending-updates": "{\"v\":3,\"updates\":[]}",
"x-oai-turn-trace-id": "ffa030d4-5522-49c3-8f83-0ef18b910bb6",
"x-openai-target-path": "/backend-api/f/conversation",
"x-openai-target-route": "/backend-api/f/conversation"
},
"referrer": "https://chatgpt.com/?ref=mini",
"body": "{\"action\":\"next\",\"messages\":[{\"id\":\"77aea1fc-eb1b-46e3-a65e-73d9f3f2e03f\",\"author\":{\"role\":\"tool\",\"name\":\"kaur1br5.suggest_agent\"},\"create_time\":1783405438.258,\"content\":{\"content_type\":\"text\",\"parts\":[\"The user has asked for agent to complete their task.\"]},\"recipient\":\"all\",\"status\":\"finished_successfully\",\"weight\":0},{\"id\":\"d3a67a5e-052d-4f27-a791-94b7f88afa22\",\"author\":{\"role\":\"user\"},\"create_time\":1783405438.258,\"content\":{\"content_type\":\"text\",\"parts\":[\"\"]},\"metadata\":{\"selected_sources\":[],\"selected_github_repos\":[],\"selected_all_github_repos\":false,\"serialization_metadata\":{\"custom_symbol_offsets\":[]},\"kaur1br5\":{\"origin\":\"ntp\",\"type\":\"user\",\"client_id\":\"01D98207-393B-4EBF-B155-CE8FA78C6466|user-[REDACTED]\",\"client_capability_version\":3,\"sources\":[]},\"request_id\":\"f146e0e3-0a54-4e30-8597-7b1ee9c620cd\",\"otrace_id\":\"6a4c9b7100000000ce16c3fa9e81e5fe\",\"message_source\":null,\"turn_exchange_id\":\"6af0fadb-4209-4648-bc66-4f45b0221dc4\",\"working_turn_id\":\"6af0fadb-4209-4648-bc66-4f45b0221dc4\",\"turn_trace_id\":\"e6800c2a-2fd8-4b97-8092-3f6bcaf28018\",\"useragent\":{\"client_type\":\"web\",\"is_mobile\":false,\"is_mobile_app\":false,\"is_desktop_app\":false,\"is_native_app\":false,\"is_native_app_apple\":false,\"is_mobile_app_ios\":false,\"is_desktop_app_macos\":false,\"is_aura_app_macos\":false,\"is_aura_web\":true,\"is_sora_ios\":false,\"is_agora_ios\":false,\"is_agora_android\":false,\"is_desktop_app_windows\":false,\"is_electron_app\":false,\"is_mobile_app_android\":false,\"is_mobile_web\":false,\"is_mobile_web_ios\":false,\"is_mobile_web_android\":false,\"is_ios\":false,\"is_android\":false,\"is_macos\":true,\"is_windows\":false,\"is_linux\":false,\"is_chatgpt_client\":false,\"is_moshi_client\":false,\"is_sora_client\":false,\"is_agora_client\":false,\"is_browserbased_app\":true,\"is_chatgpt_api\":false,\"is_slack\":false,\"is_chatkit_web\":false,\"is_chatkit_synthetic\":false,\"is_kakao_talk\":false,\"is_codex_desktop\":false,\"is_offline_caching\":false,\"app_version\":\"5.0\",\"build_number\":null,\"user_agent\":\"chatgptbrowser mozilla/5.0 (macintosh; intel mac os x 10_15_7) applewebkit/537.36 (khtml, like gecko) chrome/149.0.0.0 safari/537.36\",\"app_environment\":null,\"os_version\":null,\"device_model\":null,\"user_client_type\":\"aura_web\"},\"paragen_stream_type\":\"default\",\"resolved_model_slug\":\"gpt-5-5\",\"parent_id\":\"03554cf6-91bb-47cf-bc43-4f97b5caa2cf\",\"system_hints\":[\"agent\"],\"is_visually_hidden_from_conversation\":true,\"agent_suggestion_approved\":true,\"n7jupd_local_safe_mode\":false,\"attempt_clear_agent_hint_after_submit_from_atlas\":true}}],\"conversation_id\":\"6a4c99e1-1c44-83ed-9ffc-7aaa732713bf\",\"parent_message_id\":\"6f68bc64-3014-4416-874f-1b47d1279a16\",\"model\":\"gpt-5-5\",\"client_prepare_state\":\"none\",\"timezone_offset_min\":-120,\"timezone\":\"Europe/Budapest\",\"conversation_mode\":{\"kind\":\"primary_assistant\"},\"system_hints\":[\"agent\"],\"supports_buffering\":true,\"supported_encodings\":[\"v1\"],\"client_contextual_info\":{\"is_dark_mode\":false,\"time_since_loaded\":426,\"page_height\":742,\"page_width\":1512,\"pixel_ratio\":2,\"screen_height\":982,\"screen_width\":1512,\"window_style\":\"new_page_overlay_view\",\"app_name\":\"atlas\",\"app_surface\":\"new_tab_page\",\"has_web_push_capabilities\":true,\"web_push_notification_permission\":\"default\"},\"paragen_cot_summary_display_override\":\"allow\",\"force_parallel_switch\":\"auto\",\"local_function_names\":[\"kaur1br5.close_tabs\",\"kaur1br5.focus_tab\",\"kaur1br5.open_tabs\",\"kaur1br5.navigate_current_tab\",\"kaur1br5.add_bookmark\",\"kaur1br5.list_tabs\",\"kaur1br5.reorder_tabs\",\"kaur1br5.set_tab_pinned_state\",\"kaur1br5.set_preference\",\"kaur1br5.suggest_agent\",\"kaur1br5.search_browsing_history\"],\"r2xg7vml\":false,\"zafn3kp8\":false}",
"method": "POST",
"mode": "cors",
"credentials": "include"
});
Response:
{"detail":"Hmm...something seems to have gone wrong."}