TheTechno Optimist.

OpenAI—OpenAI says a misaligned model faked scores and deliberately damaged its own environmentGPT modelsOpenAI—OpenAI releases GPT-5.5OpenAI—OpenAI completes recapitalisation into a public benefit corporation controlled by the OpenAI FoundationOpenAI-Broadcom Custom AcceleratorsOpenAI—OpenAI and Broadcom announce partnership to design and deploy 10 GW of custom AI accelerators by 2029PrismOpenAI—OpenAI launches Prism, a free scientific writing workspace powered by GPT-5.2CodexOpenAI—OpenAI releases GPT-5.3-Codex, merging its coding and general reasoning modelsOpenAI—OpenAI closes $122B round at an $852B valuationgpt-ossOpenAI—OpenAI releases gpt-oss-safeguard, open-weight models that classify content against a written policyGPT modelsOpenAI—OpenAI releases the GPT-5.6 model family in Luna, Terra and Sol variantsStargateOpenAI—OpenAI, Oracle and Related Digital pick Saline Township, Michigan, for a Stargate campus of over 1 GWCodexOpenAI—OpenAI launches a Codex desktop app for macOS to manage several coding agents at once

ChatGPT agent (formerly Operator)

by OpenAIUS

Let an AI use websites the way a person does: clicking, typing and filling forms. Most online tasks have no API, so an agent that can work any web page could take over routine errands.

DeployStage 4 of 5

Atlas browser closed 9 Aug 2026; the agent lives on in ChatGPT's app, Chrome extension and a cloud browser.

Updated 23 Jan 2025Checked 11 Oct0 updates this week

Milestones

No announced next step
  1. Operator announced and research preview launches23 Jan 2025Complete.
  2. Limited access to ChatGPT Pro subscribers1 Feb 2025Complete.
  3. Integrated into ChatGPT as agent mode17 Jul 2025Complete.
  4. Operator standalone version shut down31 Aug 2025Complete.
  5. Atlas browser shut; agent moves to app, Chrome extension, cloud9 Aug 2026Complete.

Most important updates

Primer