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Microsoft replaces Copilot with new GPT-5 tuned model

A user discovered that Microsoft has replaced the previous version of Copilot with a new iteration fine-tuned on a GPT-5 model. This updated 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 that their prior conversations and projects with the older Copilot were no longer accessible. AI

IMPACT This update to Copilot may offer users a more structured and critical AI assistant for work tasks.

RANK_REASON This is a product update for an existing AI tool, not a frontier release or significant industry event.

Read on Mastodon — fosstodon.org →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Microsoft replaces Copilot with new GPT-5 tuned model

How we ranked this

Signal score
1 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
This is a product update for an existing AI tool, not a frontier release or significant industry event.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
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
Same-day
Cluster formed today. Ranking reflects the current source set at time of score.

Full methodology in our editorial standards.

COVERAGE [1]

  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 …