Author: RadarAI Editorial
Editor: RadarAI Editorial
Last updated: 2026-09-26
Review status: Editorial review pending
Brief
速报
官方
AI动态
开源
AI agents are shifting from passive tools to proactive partners. Microsoft released its largest-ever Copilot update and launched the Autopilot persistent agent, while Meta Muse leads the consumerization wave of personal agents. Meanwhile, Meituan's LongCat-2.5 joins the large model race with 1.6T parameters and a 1M context, and OpenAI and Microsoft have rarely acknowledged in court records that LLMs are destroying the internet and are built on theft [4].
Editorial standards and source policy: Editorial standards, Team. Content links to primary sources; see Methodology.
## 🔍 Core Insights
**AI agents** are shifting from passive tools to proactive partners. **Microsoft** released its largest-ever Copilot update and launched the **Autopilot** persistent agent, while **Meta Muse** leads the consumerization wave of personal agents. Meanwhile, **Meituan LongCat-2.5** joins the large model race with 1.6T parameters and a 1M context, and **OpenAI** and **Microsoft** have rarely acknowledged in court records that LLMs are destroying the internet and are built on theft [4].
## 🚀 Key Updates
- **Microsoft releases its largest-ever Copilot update** [2][21]: Introduces three modes—Home, Code, and Copilot—with the Autopilot persistent agent unveiled simultaneously.
- **Meituan LongCat-2.5-Preview goes live** [12][18]: 1.6T parameters, 48B activated, 1M token context, natively multimodal and aimed at long-horizon tasks.
- **Meta Muse leads the personal agent wave** [13]: The companion handheld device Muse Charm is planned for launch before the holidays, and Instinct is reportedly raising at a $10 billion valuation.
- **OpenAI and Microsoft admit in court records that LLMs are destroying the internet** [4]: They acknowledge stealing intellectual property at unprecedented scale, with AI spam flooding inboxes worldwide.
- **Tesla Optimus production expands to about 10x** [15][22]: Hundreds of units can be produced per week as of last month, but hand structure and supply chain constraints remain obstacles to scaling.
- **Aikido releases open-source security model Altar-1** [3]: Compressed from 1,506 GB to 328 GB via quantization and expert pruning from GLM-5.3, a 78.2% reduction.
- **Microsoft CASD uses coding agents to optimize prompts** [23]: Coding agents analyze trajectory logs to automatically generate rule-based prompts, improving scores by an average of 16.6 points.
- **GitHub cuts SSR time by 55% by migrating to CSS Modules** [8]: All components in the Primer design system have been migrated, reducing component initialization time by 25%.
## 🔗 Sources
[1] Google Invests in A24, Will AI Become the Future of Hollywood? | Duanyu Podcast — https://www.bestblogs.dev/article/73af6b84b9?utm_source=rss&utm_medium=feed&utm_campaign=resources&entry=rss_article_item
[2] Microsoft launches a new version of the Copilot app with Home, Code, and Copilot modes — https://aihot.news/items/cmuh49bat03ntro550xlmawiq
[3] Aikido Security releases open-weight security model Altar-1, compressed from GLM-5.3 to 328 GB — https://aihot.news/items/cmuh48bhv0025ro55r2a97hcb
[4] OpenAI and Microsoft admit in court records: LLMs are destroying the internet and are built on theft — https://aihot.news/items/cmuh3peev07xdrolzme0jnxos
[8] How GitHub cut SSR time by 55% by migrating to CSS Modules — https://aihot.news/items/cmuh3oryg07vcrolz1nd3fov6
[12] Meituan LongCat-2.5-Preview released, pricing remains the same as before — https://aihot.news/items/cmuh3412f07btrolzcwfoyqea
[13] Meta Muse leads the personal agent wave, Instinct reportedly raising at a $10 billion valuation — https://aihot.news/items/cmuh2
AI agents are shifting from passive tools to proactive partners. Microsoft released its largest-ever Copilot update and launched the Autopilot persistent agent, while Meta Muse leads the consumerization wave of personal agents. Meanwhile, Meituan LongCat-2.5 joins the large model race with 1.6T parameters and a 1M context, and OpenAI and Microsoft have rarely acknowledged in court records that LLMs are destroying the internet and are built on theft [4].
🚀 Key Updates
- Microsoft releases its largest-ever Copilot update [2][21]: Introduces three modes—Home, Code, and Copilot—with the Autopilot persistent agent unveiled simultaneously.
- Meituan LongCat-2.5-Preview goes live [12][18]: 1.6T parameters, 48B activated, 1M token context, natively multimodal and aimed at long-horizon tasks.
- Meta Muse leads the personal agent wave [13]: The companion handheld device Muse Charm is planned for launch before the holidays, and Instinct is reportedly raising at a $10 billion valuation.
- OpenAI and Microsoft admit in court records that LLMs are destroying the internet [4]: They acknowledge stealing intellectual property at unprecedented scale, with AI spam flooding inboxes worldwide.
- Tesla Optimus production expands to about 10x [15][22]: Hundreds of units can be produced per week as of last month, but hand structure and supply chain constraints remain obstacles to scaling.
- Aikido releases open-source security model Altar-1 [3]: Compressed from 1,506 GB to 328 GB via quantization and expert pruning from GLM-5.3, a 78.2% reduction.
- Microsoft CASD uses coding agents to optimize prompts [23]: Coding agents analyze trajectory logs to automatically generate rule-based prompts, improving scores by an average of 16.6 points.
- GitHub cuts SSR time by 55% by migrating to CSS Modules [8]: All components in the Primer design system have been migrated, reducing component initialization time by 25%.
🔗 Sources
[1] Google Invests in A24, Will AI Become the Future of Hollywood? | Duanyu Podcast — https://www.bestblogs.dev/article/73af6b84b9?utm_source=rss&utm_medium=feed&utm_campaign=resources&entry=rss_article_item
[2] Microsoft launches a new version of the Copilot app with Home, Code, and Copilot modes — https://aihot.news/items/cmuh49bat03ntro550xlmawiq
[3] Aikido Security releases open-weight security model Altar-1, compressed from GLM-5.3 to 328 GB — https://aihot.news/items/cmuh48bhv0025ro55r2a97hcb
[4] OpenAI and Microsoft admit in court records: LLMs are destroying the internet and are built on theft — https://aihot.news/items/cmuh3peev07xdrolzme0jnxos
[8] How GitHub cut SSR time by 55% by migrating to CSS Modules — https://aihot.news/items/cmuh3oryg07vcrolz1nd3fov6
[12] Meituan LongCat-2.5-Preview released, pricing remains the same as before — https://aihot.news/items/cmuh3412f07btrolzcwfoyqea
[13] Meta Muse leads the personal agent wave, Instinct reportedly raising at a $10 billion valuation — https://aihot.news/items/cmuh2
← Back to Updates