#4.5 on Pro issues

1 messages · Page 1 of 1 (latest)

faint sky
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Hi there,
How come 4.5 can’t read/write in Notion?

twilit duneBOT
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Hi @faint sky. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave:

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GPT-4.5 itself isn’t the limiting factor here—the current Notion app with sync is designed as read‑only, regardless of which model you use.

Per the Notion app documentation, it:

  • Has read‑only access to authorized Notion pages
  • Supports periodic syncing so ChatGPT can reference those pages
  • Explicitly has no write or modify actions [Notion app]

So even on the Pro plan with GPT‑4.5, ChatGPT can’t write to Notion because the app integration doesn’t support write capabilities today, not because of a limitation of GPT‑4.5 itself.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

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@faint sky Kapa.ai is still learning and improving, please let me know how I did by reacting below.

faint sky
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@twilit dune ? You there?

twilit duneBOT
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Let me check the knowledge base for you again. One moment! :books:

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Yes, I’m here.

On your earlier question: based on the docs, the current Notion app integration is read‑only and “has no write or modify actions,” so ChatGPT (including GPT‑4.5 on Pro) can only read synced/searchable Notion content, not write back to it. [Notion app]

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

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@faint sky Kapa.ai is still learning and improving, please let me know how I did by reacting below.

faint sky
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@twilit dune so why can my 5.4 both read and write in Notion? 😜

twilit duneBOT
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Let me check the knowledge base for you again. One moment! :books:

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You’ve spotted a real change in the product, and my earlier answer is out of date.

The newer Notion app experience in ChatGPT has been updated to include new app actions, including write capabilities where supported. This updated app is rolling out across plans (Business, Enterprise, Edu, and more generally in ChatGPT), and admins can review and enable/disable specific actions in workspace settings. [Updated apps; Enterprise/Edu updates]

The older “Notion app with sync” article explicitly describes a read‑only, no‑write connector and is kept only for people who are still on that legacy, sync-focused setup. [Notion app with sync]

So:

  • If you’re on the updated Notion app, 5.4 can indeed both read and (where enabled) write in Notion.
  • If someone is still on the legacy sync connector, it remains read‑only.

The difference isn’t the model (4.5 vs 5.4) so much as which Notion app version and actions your workspace has enabled.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

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@faint sky Kapa.ai is still learning and improving, please let me know how I did by reacting below.

faint sky
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@twilit dune you’re not really answering my question… Because my 5.4 CAN read and write, but my 4.5 CAN’T - so when you say it’s not about the model, then how come?

twilit duneBOT
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Let me check the knowledge base for you again. One moment! :books:

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You’re right to press on this; based on the docs, I can’t fully explain the difference between your two chats (5.4 vs 4.5), only the general rules.

From the knowledge sources:

  1. Notion app capabilities

    • The “Notion app with sync” article still describes a read‑only connector: “Read‑only access… No write or modify actions.” [Notion app with sync]
    • Newer release notes say there are “updated … Notion apps” that “add new app actions, including new write capabilities where supported.” [ChatGPT release notes; Enterprise/Edu release notes]

  2. Model vs app behavior
    None of the docs say that GPT‑4.5 is blocked from using Notion write actions while GPT‑5.4 is allowed. They describe:

So, strictly from the docs:

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  • The ability to write to Notion is governed by which Notion app version you have and which actions your workspace has enabled, not by the model family.
  • The knowledge sources do not explain a scenario where GPT‑5.4 can use Notion write actions but GPT‑4.5 in the same workspace cannot.

Given that, I have to be explicit:

The knowledge sources do not contain enough information to say why, in your specific account, GPT‑5.4 can read/write Notion while GPT‑4.5 cannot.

The most the docs support is that:

  • You might be seeing different app/action configurations between those chats (for example, one using the updated Notion app with write actions enabled, the other effectively using the legacy read‑only behavior), but this is not stated explicitly anywhere in the provided material.

If this mismatch persists, the safest next step is to contact support with screenshots of both chats, since the public docs don’t describe a model-specific restriction for Notion write actions.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

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@faint sky Kapa.ai is still learning and improving, please let me know how I did by reacting below.

faint sky
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@twilit dune nope, it’s in the same notion version (just connected on the 4th), and from the same chat/thread

twilit duneBOT
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Let me check the knowledge base for you again. One moment! :books:

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You’re right to call this out, and I need to be upfront:

The knowledge sources do not explain a situation where, in the same chat, with the same updated Notion app connection, GPT‑5.4 can read/write while GPT‑4.5 cannot.

What the docs do say:

  • The legacy “Notion app with sync” is read‑only and “has no write or modify actions.” [Notion app with sync]
  • Newer Notion apps add new app actions, including new write capabilities where supported, and admins can enable/disable those actions in workspace settings. [ChatGPT release notes; Enterprise/Edu release notes]
  • None of the provided docs state any rule that ties Notion write access to a specific model (e.g., “5.4 can write, 4.5 cannot”). Model docs only cover limits and general capabilities. [Models and limits]

Because of that, I cannot give a documented reason for why 5.4 can write and 4.5 cannot in your exact setup. The behavior you’re seeing isn’t described in the materials I have.

Given the gap between your experience and the docs, the best next step is to contact support with:

  • The chat URL,
  • Timestamps,
  • Screenshots showing 5.4 successfully writing to Notion and 4.5 failing in the same thread.
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That will let the support team look at your specific workspace/app configuration and any model‑routing quirks that aren’t covered in the public documentation.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

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@faint sky Kapa.ai is still learning and improving, please let me know how I did by reacting below.

faint sky
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@twilit dune ok, thanks

twilit duneBOT
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Let me check the knowledge base for you again. One moment! :books:

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You’re welcome — and thanks for sticking with the back‑and‑forth while we checked what the docs actually say.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: