Claude Mythos, Fable and Opus 5.5: every Claude model, explained
Three releases in six weeks, plus the model most people can't use. Prices and plans included.
AI news and search guides, checked against the source
OpenAI
GPT-6 is now in ChatGPT, and your plan decides which model you get
OpenAI's sixth-generation models reached the main ChatGPT chat on October 7, 2026. Which one you get depends on your plan, and answers can now come back as charts, forms and small working tools.
The month in AI
September 22 to October 30, 2026
- Anthropic releases Claude Opus 5.5
- Claude Sonnet 5.5 follows, faster and cheaper than Sonnet 5
- Google announces Gemini 4 Argon for cyber defenders first
- GPT-6 Sol reaches the ChatGPT chat, with Intelligent UI
- Claude Haiku 5.5, Anthropic's new small model
- Free and Go ChatGPT accounts switch to GPT-6 Luna
- Gemini 4 Argon arrives in the Gemini app for AI Pro and Ultra
- Anthropic files to go public on Nasdaq as ANT
- Google announces Gemini 4 Carbon
Latest Models, money and search
Anthropic files to go public: the S-1, the ANT ticker and the likely date
$16.3 billion in first-half revenue, a mostly non-cash $80.7 billion loss, and no price yet.
Gemini 4 Argon reaches subscribers while Carbon stays with security teams
Argon is in the Gemini app for AI Pro and Ultra. Carbon is for cyber defenders, for now.
Google AI Mode: what it is and how to use it
How to open it, what you can ask and attach, and which Gemini model answers.
How to turn off AI Overviews and AI Mode in Google
There's no setting, but the Web filter, udm=14 and -ai all removed it in our test.
Google color picker: how to use it, and what it can't do
Five color formats in Search, plus an eyedropper for websites and a picker for images.
How to screenshot on a Chromebook, including a whole web page
The shortcuts, where screenshots are saved, and how we captured a 21,027-pixel page.
Sources at the bottom
Every article links to the announcements, filings and help pages it relies on, and tells you when a detail comes only from press reports.
Tested where we can
We run the search features we write about before writing them up, and the screenshots in our guides come from those runs. When a test wasn't done on the device in the headline, the article says so.
Not OpenAI's SearchGPT
SearchGPT was the name of OpenAI's 2024 search prototype, which became ChatGPT search. This is an independent site with no ties to OpenAI, Anthropic or Google.