---
title: "Upcoming deprecation of o1, GPT-4.5, o3-mini, and GPT-4o"
url: https://daily.dev/posts/upcoming-deprecation-of-o1-gpt-4-5-o3-mini-and-gpt-4o-oivxfqwvm
source_url: https://github.blog/changelog/2025-06-20-upcoming-deprecation-of-o1-gpt-4-5-o3-mini-and-gpt-4o
type: article
source: "GitHub Changelog"
published: 2025-06-20T20:10:15.319Z
updated: 2025-06-20T20:10:36.785Z
tags: ["ai", "github", "enterprise", "openai"]
reading_time: 1
upvotes: 14
comments: 0
language: en
---

> ## Documentation Index
> Fetch the complete documentation index at: https://daily.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Upcoming deprecation of o1, GPT-4.5, o3-mini, and GPT-4o

**[GitHub Changelog](https://daily.dev/sources/github_updates)** · 1 min read · 14 upvotes · 0 comments

## Summary

GitHub Copilot is deprecating several OpenAI models including o1, GPT-4.5, o3-mini, and GPT-4o between July and August 2025. Users should migrate to suggested alternatives like OpenAI o3, GPT-4.1, and o4-mini. Enterprise administrators may need to update model policies to enable access to replacement models through Copilot settings.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://github.blog/changelog/2025-06-20-upcoming-deprecation-of-o1-gpt-4-5-o3-mini-and-gpt-4o>

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---

Tags: [#ai](https://daily.dev/tags/ai), [#github](https://daily.dev/tags/github), [#enterprise](https://daily.dev/tags/enterprise), [#openai](https://daily.dev/tags/openai)

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