ChatGPT web app update includes references to new models like 'GPT-5', 'GPT-4l', and sever

EXHIBIT 791 · FLASH

Aug 18, 2026 03:24 UTC web app https://chatgpt.com

ChatGPT web app update includes references to new models like 'GPT-5', 'GPT-4l', and several 'GPT-4o' variations, alongside internal feature flags and various new API endpoints.

READY TO POST:

looks like chatgpt's frontend update is hinting at some serious new models, including 'gpt-5', 'gpt-4l', and a bunch of 'gpt-4o' iterations. 👀

spotted some new internal flags and model IDs in the latest chatgpt web bundle. 'gpt-5' is in there, along with 'gpt-4o-gdrive' versions. interesting stuff!

⚠️ FROM WEB-APP BUNDLE — may include vendored-dependency strings, verify before posting. ChatGPT web app (https://chatgpt.com) deployed new frontend code [f9a559c84fd32bb9 -> 4ee2562693f06e76]: +50661 strings, -2341 strings, 301 interesting [model_id] (22) + /cdn/assets/gpt-details-gt8i8zk7.css + /cdn/assets/gpt-icon-h9k3y3p1.css + GPT-5 + admin/model-access/gpt-5.6-preview + gpt-4 + gpt-4l + gpt-4o + gpt-4o-gdrive + gpt-4o-gdrive-0212 + gpt-4o-gdrive-0314 + gpt-4o-gdrive-1007-mclick + gpt-4o-gdrive-1124 + gpt-4o-gdrive-1124-citation + gpt-4o-mini-filled + gpt-5 + gpt-5-pro + gpt-5-thinking + gpt-5.6-luna-wm + o3-mini-high-in-context-upsell-plus + o4-mini + routes/admin_.model-access.gpt-5[.]6-preview + ve reached the current usage cap for GPT-4. You can continue with the default model now, or try again {formattedTime}. <link>Learn more</link>`,values:{link:JKt,formattedTime:a}}):(0,UH.jsx)($,{id:`TextMessageDisplay.gptUsageCapExceededCustomFeature`,defaultMessage:`You [feature_flag] (131) + ,"data-internal-model-search": + ,action:E,actionMessageDescriptor:gz.focusPromptTextarea,group:Bg.Internal,bindings:[{binding:[A_.Shift,A_.Escape]}]},{key: + ,e[e.INTERNAL=1]= + ,group:ege.Internal,bindings:[{binding:[Vl.Shift,Vl.ArrowDown]}],actionMessageDescriptor:Fd({id: + ,group:ege.Internal,bindings:[{binding:[Vl.Shift,Vl.ArrowUp]}],actionMessageDescriptor:Fd({id: + ,onChange:e=>{f(e.currentTarget.value)},placeholder:u.formatMessage(p4.internalModelsPlaceholder),selectAllOnFocus:!1,value:d}),(0,f4.jsx)( + ,void 0,{surface:e,account_scope:t,is_enabled:String(n)}),G.logStructuredEvent( + /cdn/assets/contentful-dynamic-feature-page-na59h48w.js + /cdn/assets/contentful-feature-page-mcuq5npj.js + /cdn/assets/internal-render-conversation-efo22x8d.js + /cdn/assets/internal-render-conversation_.queued-f1p7wd43.js + /cdn/assets/internal.widget-studio.open-conversation-imoe7dyk.js + 3VyEPC5dTP_model_instruction