2026 下半年变化线The 2026 Second-Half Timeline
微型指南 · 约 8 分钟Guide · about 8 min · 引用核验 2026-11-03（仅引用链接与日期） · refs checked 2026-11-03 (reference links and dates only)
只列官方发布与停运日期，不做新闻、不做预测。用来回答「这个产品现在还是不是这样」：每条都带官方出处与核验日。Only official release, retirement and migration dates, with sources and a verification date — no news, no predictions.
研究线：Google 在 2026-04-21 发布 Deep Research 与 Deep Research Max，基于 Gemini 3.1 Pro，支持 MCP 与自定义来源。
图像线：Nano Banana 2（Gemini 3.1 Flash Image）于 2026-02-26 上线，支持生成与编辑。
停运线：ChatGPT Atlas 浏览器于 2026-08-09 停运，能力并入 ChatGPT / Codex；微软 C 端 Copilot 的 Deep Research 于 2026-08-18 退役。
模型档位：Gemini 4 Argon 于 2026-10-13 面向 AI Pro / Ultra 推出；Claude 的记忆与 Cowork 进入 2026-10-21 release notes。
工具线：Google Opal 官方宣布 2026-11-17 从 Labs 毕业并迁移到 Gemini skills；Vercel AI SDK 7 在 2026 changelog 发布。
本地线：ExLlamaV3 1.6.5 于 2026-10-25 发布（PyPI）；本站 models 快照为 2026-10-30。
读法：先看日期，再看适用档位；停运与迁移要看「能力去了哪」，不只看「产品没了」。
Research: Google shipped Deep Research and Deep Research Max on 2026-04-21, built on Gemini 3.1 Pro with MCP and custom sources.
Image: Nano Banana 2 (Gemini 3.1 Flash Image) launched on 2026-02-26 with generation and editing.
Retirements: the ChatGPT Atlas browser was retired on 2026-08-09 with capabilities moved into ChatGPT/Codex; Microsoft retired consumer Copilot Deep Research on 2026-08-18.
Model tiers: Gemini 4 Argon reached AI Pro/Ultra on 2026-10-13; Claude memory and Cowork entered the 2026-10-21 release notes.
Tools: Google Opal graduates Labs on 2026-11-17 and flows migrate to Gemini skills; Vercel AI SDK 7 shipped in the 2026 changelog.
Local: ExLlamaV3 1.6.5 was released on 2026-10-25 (PyPI); the models snapshot is dated 2026-10-30.
How to read it: check the date first, then the tier; for retirements, follow where the capability moved.
例子与判断Example and interpretation
以下是教学情境，不是本站运行或实测记录。A teaching scenario, not a measured or executed site test.
看到某工具增加后台任务功能，记录公告日期、适用档位和数据运行位置。再判断它是否改变你原来的选择；“发布了新功能”不等于每个账号已经可用。For a new background-task feature, record announcement date, eligible tiers and execution location. Decide whether it changes your choice. Announcement does not establish availability for every account.
- Google · Gemini release notes官方更新日志（2026-10-21 直抓核验） ↗
- Google blog · Deep Research and Deep Research Max2026-04-21 发布说明 ↗
- OpenAI · ChatGPT release notes包含 Atlas 停运与图像 2.0 条目（2026-11-03 取到正文） ↗
- Microsoft Support · Deep Research in Microsoft CopilotC 端 2026-08-18 退役说明 ↗
- Claude Help Center · Release notes2026-10-21 直抓核验 ↗
- Google Opal2026-11-17 从 Labs 毕业公告 ↗
- Vercel · AI SDK 72026 changelog ↗
- PyPI · exllamav31.6.5，2026-10-25（2026-11-03 复核） ↗
怎么向 AI 提问How to Ask AI · 怎么判断 AI 新闻是不是炒作How to Tell if AI News Is Hype · 什么时候不该用 RAGWhen Not to Use RAG · 它说得笃定，所以可信Confident Tone Means Correct