This Week in All Things AI - Week 39-2025
Greetings friends, There were a lot of model releases this week particularly from the Qwen Team at Alibaba, Also updated model from Suno, a stealth coding model 'code-supernova' which within the week itself updated its context window 5x. All this and more to read in this edition of 'This Week in All Things AI'.
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Chief Knowledge Officer @ Animoca Brands. Also assists in Growth Marketing.
The following messages were posted on the ' All Things AI ' Telegram group from Sunday 21st Sep 2025 to Saturday 27th Sep 2025
Sunday 21st September 2025
For the coders in the group and using various agentic coding tools such as Cline, KiloCode, Cursor, Windsurf some links about a stealth model 'code-supernova' which has a 200K context window, multi-modal [supports image inputs] and which is free currently to use in these tools. Lots of speculation whether this is an upcoming model from Anthropic or xAI.
Cline
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`code-supernova`:
- 200k context window
- multi-modal (i.e. image inputs)
- "built for agentic coding"
- completely free during alpha
access via the cline provider: `cline:cline/code-supernova`
what are we building this weekend??
Kilo Code
We've partnered with a frontier AI lab to give you early access to their new stealth model "Code Supernova" – and it's available to all Kilo Code users completely free.
What you get:
- A versatile agentic coding model that supports image inputs
- Free for a limited time through
Lee Robinson
There's another new stealth model in Cursor from one of our partners.
"code-supernova" is free to try, curious how you find it!
Windsurf
Introducing code-supernova, a versatile agentic coding model that supports image inputs. 200k context window.
Now available for individual users for free for a limited time.
Monday 22nd September 2025
Tuesday 23rd September 2025
| 1 | Team Qwen from Alibaba on 🔥️️️️️️ with 4 model releases in the last 24 hours. Simon Willinson with an excellent summary of their releases. I think the week has just begun for the Qwen team [Four new releases from Qwen It's been an extremely busy day for team Qwen. Within the last 24 hours (all links to Twitter, which seems to be their preferred platform for these announcements): Qwen3-Next-80B-A3B-Instruct-FP8 and ... https://simonwillison.net |
| 2 | Poster: Roc Zacharias So Syed who I invited to this group is Founder of Shiza.ai and is doing something really interesting that I’ve been looking for personally, with all the BD we do at Lunar Digital Assets, BitAngels, Polygon, etc. Imagine if you could ingest all recordings of your business calls, Telegram messages, LinkedIn, Whatsapp, texts, voice recordings from conference conversations from pendant device on your necklace, etc and train a Individual Language Model that you could ask questions like: “I’m setting up a panel for Korea Blockchain Week on DeFi, who are some people I know who might be in Korea who I should invite?” “What are some good politicians I know who could do a virtual panel about regulation and governance” “We are incubating a DeFi strategy marketplace with tokenized vaults that act as indexes for many yield strategies. What projects or people do I know who could build strategies, invest, or provide liquidity to this?” This can be incredibly game changing for BD people like me. I’ve been wanting this for a while I mentioned it to Yusuf couple weeks ago, and now I found a team who is building.Shiza.ai Reply-by: Syed Husain Appreciate the callout Roc. Yes, our thesis is that the rise of Agentic AI will lead to mass automation including the BD use cases Roc has mentioned above. When this happens across entire industries at scale, what will be the second order effects that this will have in a post-agentic world? Things like copyrights, trademarks, patents, and even jobs become a thing of the past. When your labor and skills are algorithmically replaced by agents, then YOU better ensure that YOU own those agents as opposed to centralized entities like OpenAI, Google, Anthropic etc., whom we're currently giving away all of our experience to while leveraging the AI. We envision a decentralized future where individuals have ownership of their AI and are building the infrastructure and tooling for it: [Empowering the Future: Why AI Ownership is the Next Frontier Empowering the Future: Why AI Ownership is the Next Frontier By Syed Hussain As we stand on the precipice of a new era in technology, the discourse surrounding artificial intelligence often ... https://medium.com |
| 3 | Beijing-based Kling AI, developed by Kuaishou Technology, released its 2.5 Turbo video model today, enabling creation of 1080p videos from text or image prompts with improved motion realism, camera control, and emotional depth. The update builds on the earlier 2.1 version by extending clip lengths up to 10 seconds, refining aesthetics to minimize flicker in complex scenes, and reducing pricing by 30% to enhance accessibility for filmmakers and creators. Early user demos on X showcase applications ranging from action sequences to nuanced character interactions. https://x.com/i/trending/1970525490311254186 |
Wednesday 24th September 2025
| 1 | OpenAI Rolls Out GPT-5-Codex to Developer APIs and IDE Tools OpenAI made its GPT-5-Codex model available through the Responses API, enabling integrations in tools like Cursor, GitHub Copilot, and Visual Studio Code. This specialized variant of GPT-5 features a 400,000-token context window for handling complex coding tasks such as refactoring and debugging, with built-in tool support for web search and Git operations. Developers have quickly adopted it for enhanced workflows, praising its adaptive reasoning and code review capabilities. https://x.com/i/trending/1970652477205680447 OpenRouter GPT-5-Codex is live now in the OpenRouter API! The agentic coding variant of GPT-5 is purpose built for: Real-world software engineering Adapts reasoning effort (fast for small edits, persistent on big refactors) Built-in code review to catch critical flaws |
441 5:30 PM • Sep 23, 2025
Cline
GPT-5-Codex is Live in Cline.
OpenAI's agent-optimized version of GPT-5:
> 400K context window
> adaptive reasoning: 93% fewer tokens on simple tasks, 2x more on complex ones
> variable thinking that scales with task complexity
> $1.25/$10 per million tokens
Built for coding
Cursor
GPT-5-Codex is now available in Cursor.
Let us know your thoughts!
Windsurf
Excited to share that OpenAI’s GPT-5-Codex is now live in Windsurf!
We’re making it free to paid users for a limited time. We can’t wait to hear what you build with it!
Tuesday 25th September 2025
Research from NYU has found that frontier models from OpenAI, Google, and Anthropic can now pass all three levels of the CFA (chartered financial analyst) exam, including difficult Level III essay questions that eluded them two years ago.
Another busy day, busy week at Goodfin!
Friday 26th September 2025
Shortcut positions itself as a superhuman on Excel.
For the spreadsheet nerds in the group, would love your opinion in case you give this a spin on its paid plan.
nico
Shortcut – the first superhuman excel agent – is live.
While not perfect, Shortcut beats first year analysts from McKinsey/Goldman head-to-head 89.1% (220:27) when blindly judged by their managers.
We even gave humans 10x more time.
Saturday 27th September 2025
| 1 | Factory AI recently launched an upgraded version of its Droid agentic coding tool which is causing the A-listers in AI in Cerebral Valley to rave about it when comparing it to Claude Code and OpenAI's Codex https://x.com/i/trending/1971320142966477134 |
| 2 | The lab behind the code-supernova stealth model increased their context window to 1 million token from 200K tokens. Cline |
| stealth model update: 5x more context `code-supernova-1-million` (access via cline provider) > 1 million token context window (up from 200k) > same multi-modal support > same free access during alpha |
|
| 3 | Poster: Benjamin Chevalier Many of us here probably use MCPs, agents, “connectors”, etc… or even just AI-powered mail clients or whatnot. So I thought this could be relevant. |
| It was discovered recently that a “postmark-mcp” quietly BCC’ed emails to an external address. If you run a company, you’ll probably want to make sure employees with access to sensitive data are not installing random local MCPs. |
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And, finally, if you’re curious to read more about the “lethal trifecta” for AI agents, there’s a good article: https://simonwillison.net/2025/Jun/16/the-lethal-trifecta/ |
I welcome feedback not only on this newsletter but across all the various surfaces where I curate content.
The cover image of this newsletter was generated via Freepik using the Mystic 2.5 Flexible model
a sprawling underground city with intricately designed buildings on both the floor and ceiling, illuminated by cascading golden light from hidden sources.
Regards, Yusuf