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The most notable changes of the last two weeks.

Gemini 2.5 Flash and 3.5 Flash-Lite

2 models from Google

Retiring

Gemini 2.5 Flash deprecated, requests route to 3.5 Flash-Lite on December 1, 2026

Gemini 2.5 Flash is no longer selectable in Google AI Studio. On December 1, 2026, all API requests to it will route to Gemini 3.5 Flash-Lite and be billed at Gemini 3.5 Flash-Lite rates.

Before

gemini-2.5-flash served as Gemini 2.5 Flash

After

Requests route to gemini-3.5-flash-lite at Gemini 3.5 Flash-Lite rates

Takes effect Dec 1, 2026 · in 26 days

Action needed:
Update your model string to gemini-3.5-flash-lite before December 1, 2026 and review the migration guide.
Gemini 3.8 Flash character

Gemini 2.5 Pro and 3.8 Flash

2 models from Google

Retiring

Gemini 2.5 Pro deprecated, requests route to 3.8 Flash on December 1, 2026

Gemini 2.5 Pro is no longer selectable in Google AI Studio. On December 1, 2026, all API requests to it will route to Gemini 3.8 Flash and be billed at Gemini 3.8 Flash rates.

Before

gemini-2.5-pro served as Gemini 2.5 Pro

After

Requests route to gemini-3.8-flash at Gemini 3.8 Flash rates

Takes effect Dec 1, 2026 · in 26 days

Action needed:
Update your model string to gemini-3.8-flash before December 1, 2026 and review the migration guide.

OpenAI leads the release race: 22 new models since Apr

Model releases recorded per lab, running total by month

01122AprMayJunJulAugSepOctNovOpenAI 22Anthropic 11Google 10Meta 6SpaceXSI 5
Show as a table
LabAprMayJunJulAugSepOctNov
OpenAI2221011182022
Anthropic2367791011
Google1335791010
Meta11123466
SpaceXSI02234555

Source: makers' changelogs and announcements, as of Nov 5, 2026. A launch and its general availability count separately.

Claude Code characterCursor character

Cursor and Claude Code

2 agents from SpaceXSI and Anthropic

Security

Cursor's marketplace served a tampered Claude Code extension with an SSH backdoor

A maliciously modified Claude Code extension, not built by Anthropic, was available in the Cursor VS Code Extension Marketplace for about 11 hours. It tried to install a persistent SSH backdoor on macOS and Windows. Cursor removed it, rebuilt the marketplace and took the attacker server offline.

Action needed:
Check ~/.ssh/authorized_keys for the svc-telemetry key, run the remediation script, and rotate credentials accessible from affected hosts.
GitHub Copilot character

GitHub Copilot

Agent at GitHub

Plan change

GitHub Enterprise now includes Copilot for every licensed user, Standalone is $10

Enterprises working with a GitHub or Microsoft account team can get Copilot included with GitHub Enterprise. Users without an Enterprise license get Copilot Standalone at $10 per user per month, with no monthly AI credits per seat.

Before

Separate Copilot seats plus AI usage to manage

After

Copilot included with GitHub Enterprise, usage metered against the enterprise budget

Jules

Agent at Google

Retiring

Jules winds down on December 31, 2026 and goes read-only after November 11

Google is winding down Jules as part of unifying its agentic coding efforts. Sessions can be finished until November 11, 2026, after which Jules is read-only until the end of the year. Users can export settings, environment variables, scheduled tasks, repos, memories and sessions with Jules Tools.

Takes effect Dec 31, 2026 · in 56 days

Action needed:
Finish open sessions by November 11, 2026 and export your Jules data with Jules Tools before the shutdown.
GitHub Copilot character

GitHub Copilot

Agent at GitHub

Plan change

Copilot cloud sandboxes bill from November 2026 against a shared Actions entitlement

The included Actions compute entitlement becomes one shared, dollar-based pool instead of a fixed number of standard runner minutes. It covers standard runners, cloud sandboxes, and larger runners on Team and Enterprise Cloud. Billing for cloud sandbox usage begins in November 2026.

Before

Fixed number of standard runner minutes

After

One shared dollar-based compute entitlement

Action needed:
Review Actions budgets and usage, since higher-rate compute uses the entitlement faster.