# GitHub Upcoming August 2026 model deprecations in GitHub Copilot

- Product: GitHub (https://whatsnew.fyi/product/github)
- Vendor: GitHub
- Date: 2026-07-31
- Original notes: https://github.blog/changelog/2026-07-31-upcoming-august-2026-model-deprecations-in-github-copilot
- Permalink: https://whatsnew.fyi/product/github/releases/2026-07-31-upcoming-august-2026-model-deprecations-in-github

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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We will deprecate the following models across all GitHub Copilot experiences (including Copilot Chat, inline edits, ask and agent modes, and code completions), on September 1st, 2026: Model Deprecatio…

- **deprecated** — GitHub Copilot will deprecate several models across all Copilot experiences including Chat, inline edits, ask and agent modes, and code completions on September 1st, 2026