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this is probably the most important piece of software of the decade next to vllm and sglang. i'm not joking.

model-releasesjeremy-howard--x

this is probably the most important piece of software of the decade next to vllm and sglang. i'm not joking. llama.cpp at 100k stars now that 90% of the code worldwide is being written by AI agents, I

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Model Releases

We built a completely free CLI agent with @badlogicgames's Pi agent, @ollama (Gemma 4), and Parallel's new free web search MCP. Check out th…

DGX agent

We built a completely free CLI agent with @badlogicgames's Pi agent, @ollama (Gemma 4), and Parallel's new free web search MCP. Check out the blog post to see how to do it yourself: https://parallel.a

model-releasesollama--x

24 Apr 2026

We’ve invested deeply in security at Replit, including our recent launches with Security Agent + Auto-Protect. If you want to move your app …

We’ve invested deeply in security at Replit, including our recent launches with Security Agent + Auto-Protect. If you want to move your app to Replit, we’re offering free app imports for a limited tim

model-releasesreplit--x

We’ve refreshed Claude Code on the web and mobile. A few things that recently shipped 🧵

Claude Code received recent updates on both web and mobile platforms, with new features and improvements announced in a thread format. The refresh likely includes interface enhancements, performance i

Wordle 1,769 4/6 ⬛🟨⬛⬛🟨 ⬛⬛⬛⬛⬛ 🟩🟨🟩🟨⬛ 🟩🟩🟩🟩🟩

This post documents a Wordle game result where the player successfully solved puzzle #1,769 in four attempts, using a strategic guessing approach indicated by the emoji grid showing gray (incorrect le

yes! https://github.com/langchain-ai/langchain-skills/tree/main/config/skills

model-releasesharrison-chase--x

yes! https://github.com/langchain-ai/langchain-skills/tree/main/config/skills @hwchase17 Is there any deepagents skill similar to the claude-api skill to help me build apps with deepagents better? htt

After 2.1.117, you may notice that Claude doesn't call its Grep or Glob Tool anymore. YES!!! It only took four months. It's faster than ever…

model-releasesboris-cherny--x

After 2.1.117, you may notice that Claude doesn't call its Grep or Glob Tool anymore. YES!!! It only took four months. It's faster than ever and it's all Bash. It's so much harder to take things away

'don't retweet this, don't retweet this, don't retweet this...' ah fuck it, life imitates art.

model-releasessam-altman--x

'don't retweet this, don't retweet this, don't retweet this...' ah fuck it, life imitates art. In Vending-Bench Arena (the multiplayer version of Vending-Bench with competition dynamics), GPT-5.5 actu

Earth Day at #GoogleCloudNext, I’m demoing a Sustainability Agent at the @nvidia booth. Built with @Google ADK, @googlegemma, #nemotron, Clo…

Earth Day at #GoogleCloudNext, I’m demoing a Sustainability Agent at the @nvidia booth. Built with @Google ADK, @googlegemma, #nemotron, Cloud Run, @milvusio , @LangChain & @ollama to reason across im

model-releasesollama--x

embers

model-releasessam-altman--x

embers GPT-5.5, not fully saturating the TikZ unicorn test yet but getting awfully close ... (yes this is actual TikZ code, I personally find it so unbelievable that I'm putting the code below for any

Falcon 9 launches 24 @Starlink satellites from California

model-releaseselon-musk--x

SpaceX's Falcon 9 rocket successfully launched 24 Starlink satellites from a California launch facility, continuing the company's ongoing deployment of its satellite internet constellation. This missi

GPT-5.5 is now accessible in Hermes Agent through the ChatGPT/Codex OAuth provider. Run `hermes update` to access now or learn how to get st…

model-releasesnous-research--x

GPT-5.5 is now accessible in Hermes Agent through the ChatGPT/Codex OAuth provider. Run `hermes update` to access now or learn how to get started with Hermes Agent here: https://hermes-agent.nousresea

GPT-5.5 may not be in the official OpenAI API... but it's available via the apparently approved-of Codex API backdoor So I used that to make…

GPT-5.5 may not be in the official OpenAI API... but it's available via the apparently approved-of Codex API backdoor So I used that to make these pelicans (default and xhigh)! https://simonwillison.n

I had early access to GPT-5.5. It is very good, especially the Pro version. Full writeup very shortly.

model-releasesethan-mollick--x

Ethan Mollick posted on X about having early access to GPT-5.5, commenting positively on its capabilities and noting that the Pro version is particularly strong. He indicated that a full detailed writ

I’d been part of OpenAI early tester group for GPT-5.5. I believe with GPT-5.5 Pro we reached another inflection point-comparable to the ori…

model-releasessam-altman--x

I’d been part of OpenAI early tester group for GPT-5.5. I believe with GPT-5.5 Pro we reached another inflection point-comparable to the original release of o1-preview & then with 5.0 Pro, I had felt.

If you want to stack rank LLMs/VLMs on document understanding 📄, you can through ParseBench, now live on @kaggle 📊 ParseBench is the most …

model-releasesjerry-liu--x

If you want to stack rank LLMs/VLMs on document understanding 📄, you can through ParseBench, now live on @kaggle 📊 ParseBench is the most comprehensive document OCR benchmark over real enterprise docu

🚨 In a new court filing (below), Clippers owner Steve Ballmer dismisses @pablofindsout as “gossip” from a “former talking head and televisi…

🚨 In a new court filing (below), Clippers owner Steve Ballmer dismisses @pablofindsout as “gossip” from a “former talking head and television personality.” Here is an excerpt from the federal whistleb

Interesting, OpenAI just released a free healthcare version of ChatGPT-5.4 for clinicians that beat specialty-matched physicians with unlimi…

model-releasesethan-mollick--x

Interesting, OpenAI just released a free healthcare version of ChatGPT-5.4 for clinicians that beat specialty-matched physicians with unlimited time + web access on a benchmark of real & hard clinical

Introducing GPT-5.5 A new class of intelligence for real work and powering agents, built to understand complex goals, use tools, check its w…

Introducing GPT-5.5 A new class of intelligence for real work and powering agents, built to understand complex goals, use tools, check its work, and carry more tasks through to completion. It marks a

model-releasesopenai--x

looks like new Pareto frontiers across everything: - Context: 400K context in Codex and a 1M in API - API Pricing: 5/m input and 30/m outp…

looks like new Pareto frontiers across everything: - Context: 400K context in Codex and a 1M in API - API Pricing: 5/m input and 30/m output tokens. - Codex improved its own inference speed 20% lol -

model-releasesswyx--x

🔹 One Prompt → 100-page PDF report +cited dataset + 30-page executive PPT + 20 financial charts

model-releaseskimi-moonshot--x

Moonshot's Kimi AI demonstrated capabilities to generate comprehensive business reports from a single prompt, including a 100-page PDF with citations, a 30-page executive PowerPoint presentation, and

Over the past month, some of you reported Claude Code's quality had slipped. We investigated, and published a post-mortem on the three issue…

Over the past month, some of you reported Claude Code's quality had slipped. We investigated, and published a post-mortem on the three issues we found. All are fixed in v2.1.116+ and we’ve reset usage

ParseBench is now live on @Kaggle. The first document OCR benchmark built for AI agents — 2,000 enterprise pages, 167K+ test rules, 5 dimens…

model-releasesjerry-liu--x

ParseBench is now live on @Kaggle. The first document OCR benchmark built for AI agents — 2,000 enterprise pages, 167K+ test rules, 5 dimensions that actually break downstream agents. Benchmark your p

Thanks @lennysan for a great conversation about how Claude Code maintains product velocity, how the product management role is shifting in t…

Thanks @lennysan for a great conversation about how Claude Code maintains product velocity, how the product management role is shifting in the AI era, and the future of work! https://open.spotify.com/

That browser version of LiteParse is available here: https://simonw.github.io/liteparse/ Detailed notes on how I built it using Claude Code …

That browser version of LiteParse is available here: https://simonw.github.io/liteparse/ Detailed notes on how I built it using Claude Code (running for an hour) on my blog: https://simonwillison.net/

Tools

This is a lot of fun to try out - https://flipbook.page

This is a lot of fun to try out - https://flipbook.page Imagine every pixel on your screen, streamed live directly from a model. No HTML, no layout engine, no code. Just exactly what you want to see.

toolssimon-willison--x

Hardware

This is crazy. ml-intern just passed the @huggingface internship test in 15 minutes. The task: replicate a research baseline from a DeepMind…

This is crazy. ml-intern just passed the @huggingface internship test in 15 minutes. The task: replicate a research baseline from a DeepMind paper on test-time compute scaling. Here's what the agent d

hardwareclem-delangue--x

Agents

🔗Try it at: https://www.kimi.com/agent-swarm?chat_enter_method=change_model

Kimi (by Moonshot) announced an 'agent swarm' feature accessible at their web interface, allowing users to leverage multiple AI agents working together for enhanced task completion. This represents Ki

agentskimi-moonshot--x

Hardware

We tried a new thing with NVIDIA to roll out Codex across a whole company and it was awesome to see it work. Let us know if you'd like to do…

Sam Altman posted about OpenAI's successful pilot program with NVIDIA to deploy Codex (an AI code generation model) across an entire company, highlighting positive results from the enterprise rollout.

hardwaresam-altman--x

We’ve been looking into recent reports around Claude Code quality issues, and just published a post-mortem on what we found.

model-releasesboris-cherny--x

We’ve been looking into recent reports around Claude Code quality issues, and just published a post-mortem on what we found. Over the past month, some of you reported Claude Code's quality had slipped

Wordle 1,768 6/6 🟩⬛⬛🟩🟩 🟩⬛⬛🟩🟩 🟩⬛🟩🟩🟩 🟩⬛🟩🟩🟩 🟩⬛🟩🟩🟩 🟩🟩🟩🟩🟩

This post documents a Wordle game result (puzzle #1,768) where the player solved it in 6 attempts, the maximum allowed before losing. The emoji grid shows the progression of letter feedback across gue

wow the codex app is unrecognizable… almost like it shouldve been Atlas the whole time

wow the codex app is unrecognizable… almost like it shouldve been Atlas the whole time With GPT-5.5, Codex now gets more of the job done across the browser, files, docs, and your computer. We've expan

model-releasesswyx--x

... and Anthropic reverted this change. Claude Code is now part of Pro, as per the Pricing page. Important note on the growth hack: Anthropi…

model-releasesjeremy-howard--x

... and Anthropic reverted this change. Claude Code is now part of Pro, as per the Pricing page. Important note on the growth hack: Anthropic advertises safety and integrity as their values. A 'fake d

Anthropic have now reverted the change to their pricing page, but I've not yet seen any official announcement about what their policies are …

Anthropic have now reverted the change to their pricing page, but I've not yet seen any official announcement about what their policies are going to be going forward. More on my blog: https://simonwil

Tools

Anthropic really did just hand this one to OpenAI on a plate

Anthropic really did just hand this one to OpenAI on a plate I don't know what they are doing over there, but Codex will continue to be available both in the FREE and PLUS ($20) plans. We have the com

toolssimon-willison--x

Anyone else able to duplicate the $34/month pricing for Claude Pro shown in this screenshot? https://x.com/sean_e_callahan/status/2046992927…

Anyone else able to duplicate the 34/month pricing for Claude Pro shown in this screenshot? https://x.com/sean_e_callahan/status/2046992927759413647 @simonw Anthropic pricing games? Claude site has Pr

been using claude design and loving it it's basically claude code under the hood but with a very opinionated ontology for input and output -…

model-releasesyohei-nakajima--x

been using claude design and loving it it's basically claude code under the hood but with a very opinionated ontology for input and output - the input ontology is logo, colors, fonts, etc. - the outpu

Claude Code won a Webby! Thanks to all of our users and customers for the support and love, and for always giving us feedback so that we can…

model-releasesboris-cherny--x

Claude Code won a Webby! Thanks to all of our users and customers for the support and love, and for always giving us feedback so that we can continue making the product a little better every day. http

For the 'small test' they've modified their docs to remove mention of Claude Code in Claude Pro: https://support.claude.com/en/articles/1114…

model-releasesjeremy-howard--x

For the 'small test' they've modified their docs to remove mention of Claude Code in Claude Pro: https://support.claude.com/en/articles/11145838-using-claude-code-with-your-max-plan It's been a shock

Industry

Happy Earth Day! Thank you to our owners, employees & advocates for helping us build a world of amazing abundance 🌎❤️

Tesla posted an Earth Day message thanking owners, employees, and advocates for their contributions to building a sustainable world of abundance. The post reflects Tesla's positioning around environme

industryelon-musk--x

Has anyone seen ANY official communication from Anthropic or an Anthropic staff member about the fact that the checkbox for Claude Code on P…

Has anyone seen ANY official communication from Anthropic or an Anthropic staff member about the fact that the checkbox for Claude Code on Pro is back to being checked again, or is the only evidence t

Agents

https://x.com/jasonlk/status/2046742133890330981?s=20

https://x.com/jasonlk/status/2046742133890330981?s=20 If Cursor trains a genuinely SOTA coding model on xAI's infra, xAI exercises the 60B option and Grok instantly becomes a top-tier coding agent via

agentsswyx--x

I wonder if something happened to radicalize NoVa last year

I wonder if something happened to radicalize NoVa last year I can't believe Virginia dems got away with being so brazen. The 10-1 map looks absolutely insane and its wildly unfair and the public had f

Introducing workspace agents in ChatGPT—shared agents that can handle complex tasks and long-running workflows across tools and teams.

OpenAI introduced workspace agents in ChatGPT, a new feature that enables shared agents capable of managing complex tasks and extended workflows across multiple tools and team members. These agents ar

model-releasesopenai--x

just a friendly reminder that republicans have a trifecta and could pass a federal ban on gerrymandering tomorrow if they wanted to. but t…

just a friendly reminder that republicans have a trifecta and could pass a federal ban on gerrymandering *tomorrow* if they wanted to. but they don’t want to. they want to rig the system. and then the

Michele Catasta (@pirroh) at Google Cloud Next talking about what's new with Gemini, agentic applications, and what's next for builders. Fre…

Michele Catasta (@pirroh) at Google Cloud Next talking about what's new with Gemini, agentic applications, and what's next for builders. Fresh off Replit being named Google Cloud Partner of the Year.

model-releasesreplit--x

New in Claude Code: /ultrareview (research preview) runs a fleet of bug-hunting agents in the cloud. Findings land in the CLI or Desktop aut…

New in Claude Code: /ultrareview (research preview) runs a fleet of bug-hunting agents in the cloud. Findings land in the CLI or Desktop automatically. Run it before merging critical changes—auth, dat

Tools

RT @lqiao: 🔥 I'm thrilled to welcome George Hu as President of Fireworks AI! 🔥 When George and I first met a year ago, I said to him – we…

Fireworks AI announced the appointment of George Hu as President of the company. The announcement came from Fireworks AI's leadership, noting that Hu and the company's founder met approximately a year

toolsfireworks-ai--x