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Microsoft replaces Copilot with new GPT5 model, erasing user history

By PulseAugur Editorial · [2 sources] ·

A user reported that their previous conversations and projects with Microsoft's Copilot have disappeared, replaced by a newly fine-tuned GPT5 model. This new iteration of Copilot features an improved inference format that is more structured and less reliant on bullet points, while also exhibiting a more critical response style. The user noted this change after a period of not using Copilot for work, having been engaged with the video game Mount & Blade II: Bannerlord. AI

IMPACT Potential disruption for users relying on Copilot's conversational history and project continuity.

RANK_REASON User reports a change in an existing AI product, not a new release from a frontier lab.

Read on Mastodon — fosstodon.org →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

Microsoft replaces Copilot with new GPT5 model, erasing user history

How we ranked this

Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
User reports a change in an existing AI product, not a new release from a frontier lab.
Source corroboration
2 independent sources
Multiple independent publishers reporting the same story raises confidence that it's real and newsworthy.
Topics
model release, product
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
19 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [2]

  1. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    For over two months, I haven't used # Copilot or other LLM for doing any serious work. I was playing this video # game called # bannerlord . Last night, I click

    For over two months, I haven't used # Copilot or other LLM for doing any serious work. I was playing this video # game called # bannerlord . Last night, I clicked on the Copilot local app and realized that all my previous conversations and some serious projects with Copilot were …

  2. Mastodon — mastodon.social TIER_1 English(EN) · trusttrist ·

    Hello everyone, I think it's time for an # introduction . I'm Tristan, and I work in social media by day in Quebec, # Canada . In my free time, I love learning

    Hello everyone, I think it's time for an # introduction . I'm Tristan, and I work in social media by day in Quebec, # Canada . In my free time, I love learning about health, online # privacy and # AI . 😀 I'm also passionate about # photography and cinema. I started an # IndieDev …

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