What changed in Claude, ChatGPT and Gemini this month?

October's changes in Claude, ChatGPT and Gemini, and what each means for you.

5 min · try it 10 min · as of Oct 2026

Bring this to your team · AI implementationKeep your team's tools, settings and habits current as Claude, ChatGPT and Gemini change. Get in touch

Same question, new look

Same question as last month. Today the answer looks different.

Three questions for every change

Each tool dates its release notes. Ask each change three things.

Who gets it?
What changes for me?
Anything to do?

Claude: a new quick model

Haiku 5.5 arrived 7 Oct, on every plan. No need to switch.

ChatGPT: answers with visuals

From 7 Oct, GPT-6 can answer with visuals and small tools. Check their numbers too.

Gemini: apps in one place

Since 13 Oct, Customize holds apps and skills: connect only what you need. Argon, a new top model, is on Pro and Ultra.

Check before you rely on it.

Tools change monthly. Checked 19 Oct 2026. Recheck by 19 Nov 2026.

Try it · 10 minutes

Read your tool's notes

Your own tool and role. Public notes only.

Open your tool's release notes (linked in the sources).2 min
Paste the text beside into a new chat, then this month's notes.4 min
Open one change it lists; check the notes agree.4 min

Your monthly check

Below are this month's release notes for [your tool]. I work as [your role]. For each change, give one line: what it is, who gets it (plan, account, region, rollout) and what it means for my work. Write "not for me" where it doesn't apply. Use only the notes.

[paste the notes here]

Good looks likeOne line per change: who gets it, what it means for you.

In your assistant · as of Oct 2026 · Claude, ChatGPT, Gemini

This month, tool by tool

Each tool's changes in date order. What you see depends on plan and rollout.

CheckCheck the date
CheckCheck who gets it
CheckCheck your own menu

My Claude model

Claude logo Opus 5.5 at HighAlso good: Sonnet 5.5 at High or Extra high

To set it: click the model name next to Send, pick the model, then Effort. Opus 5.5 not on your plan? Use Sonnet 5.5.

All my picks

Release notes are public, so they are safe to paste. Keep your own files out of the chat.

Claude

Calls them release notes

Read

Release notes, on Anthropic's help centre.

Newest first, each entry dated. Check Claude's blog too: some changes are only there.

6 Oct

Claude for Google Workspace, in beta.

A Claude sidebar in Google Docs, Sheets and Slides. Pro, Max, Team and Enterprise; your Google admin may need to allow it.

7 Oct

Claude Haiku 5.5, a small, fast model.

On every plan, in the model menu next to the send button.

8 Oct

Docs, Slides and Design out of beta.

On every plan, including Free. New in beta: Dashboards (Pro and up) and Motion (Team and Enterprise).

Still rolling out since 16 Sep: chat and Cowork as one Claude, on Pro and Max.

ChatGPT

Calls them release notes

Read

ChatGPT release notes, on OpenAI's help centre.

Newest first, each entry dated.

6 Oct

Audio uploads.

A recording becomes a transcript, notes or a follow-up email. Not on Free; may vary by region. Transcripts may contain errors.

7 Oct

GPT-6 in Chat, with Intelligent UI.

Visuals and small tools in answers. Plus, Pro, Business and Enterprise first; Free and Go from 8 Oct.

16 Oct

ChatGPT Slides.

Rolling out to Pro, Business and Enterprise with Space. Ask in Work for a presentation.

Fewer visuals? On the web, open Settings and turn off Layout and visuals.

Gemini

Calls them release updates

Read

Gemini Apps release notes, at gemini.google.

Newest first, each entry dated.

13 Oct

Left menuthenCustomize

Apps and skills in one place, every tier. Most apps are in English, in the US.

13 Oct

Gemini 4 Argon, a new top model.

Google AI Pro and Ultra. Pick it at the bottom of the chat box; a lock means a higher plan.

On a work account, your Workspace licence decides what you get.

Quick check · three questions

Did it stick?

1A note says a feature is rolling out to your plan. You can't see it yet. Most likely?
The answer: B Rolling out means it reaches accounts over days or weeks. Look again soon; on a work account, ask your admin.
2ChatGPT answers your sales question with a neat chart. Before it goes in your report, you:
The answer: C A chart is an answer in another shape. Its figures can be wrong, just like its words, so check them at the source.
3Gemini 4 Argon arrived on 13 Oct. On your work account, it isn't in the menu. Why?
The answer: A Google says that on a work or school account, models and features depend on the Workspace licence.

0 of 3 answered

Why your screen may differSide note

A change marked rolling out reaches accounts over days or weeks. On a work account, your company's plan and admin settings decide what you get, so check your own menu.

Also this monthSide note

Claude: monthly API credits on Max and Team (7 Oct). ChatGPT: GPT-Live-1.1 and new voices in Voice (15 Oct). Gemini: Antigravity, Google's coding agent, in the Mac app (13 Oct).

An older desktop app?Side note

OpenAI says the older ChatGPT desktop apps for Mac and Windows don't show the new visuals and tools. Use ChatGPT on the web instead.

Sources, checked 19 Oct 2026Source

Product details as of Oct 2026, each checked on the vendor's own page on 19 Oct 2026. Recheck by 19 Nov 2026. The examples in the pictures are made up for this lesson.

Anthropic, Claude release notes (7 Oct 2026: Claude Haiku 5.5; monthly API credits for Max and Team, rolling out over a few days; 16 Sep 2026: Cowork in every conversation, rolling out gradually to Pro and Max; no entry after 7 Oct)
Anthropic, Claude now works with Google Docs, Sheets, and Slides (6 Oct 2026: Claude for Google Workspace in public beta on Pro, Max, Team and Enterprise; a sidebar in Docs, Sheets and Slides)
Anthropic, Use Claude in Google Docs, Sheets, and Slides (installing depends on your Google Workspace admin's Marketplace settings)
Anthropic, Introducing Claude Haiku 5.5 (7 Oct 2026: the cheapest, fastest, most capable small model Anthropic has released; for high-volume tasks)
Anthropic, Claude plans (Haiku on Free, Pro, Max, Team and Enterprise; Haiku 5.5 the latest Haiku)
Anthropic, Change the model, effort, and thinking settings (the model menu next to the send button; Haiku 5.5 in the effort selector; on Enterprise an administrator may turn a model off)
Anthropic, Build live dashboards and animate explainers with Claude (8 Oct 2026: Docs, Slides and Design out of beta on every plan, including Free; Dashboards in beta, Motion in beta on Team and Enterprise)
Anthropic, What are artifacts and how do I use them? (which plans get Dashboards and Motion templates)
Anthropic, Claude Cowork and chat are now one Claude (16 Sep 2026: rolling out on Pro and Max over the coming weeks)
Anthropic, Claude Cowork and chat are one Claude, help centre (rolling out in stages, so accounts on the same plan see it at different times)
OpenAI, ChatGPT release notes (6 Oct 2026: audio uploads; 7 Oct: GPT-6 and Intelligent UI, Plus, Pro, Business and Enterprise first, Free and Go from the next day; 15 Oct: GPT-Live-1.1 and new voices; 16 Oct: ChatGPT Slides; no entry after 16 Oct)
OpenAI, GPT-6 and Intelligent UI for everyone (7 Oct 2026: answers with charts, buttons and interactive tools; the rollout by tier)
OpenAI, GPT-6 and other models in ChatGPT (Intelligent UI; turn off Layout and visuals in Settings on the web; older desktop apps: use the web)
OpenAI, Uploading files and audio to ChatGPT (audio uploads not on the Free plan; transcription may vary by language)
OpenAI, Does ChatGPT tell the truth? (it can produce incorrect or misleading outputs; check important information)
Google, Gemini Apps release notes (13 Oct 2026: Gemini 4 Argon for Google AI Pro and Ultra; Customize with more than 40 apps, every tier, most apps in English in the US; Antigravity in the Mac app; no entry after 13 Oct)
Google, About Gemini models (Argon on Google AI Pro and Ultra; pick a model at the bottom of the chat box; a lock means a higher plan; work accounts depend on the Workspace licence)

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