Model and effort in Claude Code: knowing more vs. trying harder Claude Code gives you two settings that both seem to "make the answer better": the model, and the effort level. But what do these actually do to the output? And how do you know whether to reach for a different model…↗

We raised $136M to kill Slack. Introducing PromptQL: The first AI version of Slack. Here’s how it works:↗

I made a website that lets you cut out old magazines from the internet archive and (or any PDFs you own) and make collage art out of them ✂️↗

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🚨 SCOOP(s): - GPT-5.6 will be the final model in the 5.x series. GPT-6 is slated to launch in about a month, earlier than expected, and possibly even later this month - GPT-6 will be based on a new, significantly larger pretrain (versus the ~4T 5.5/5.6 'Spud' base) - There is l…↗

We've usually stayed away from model comparisons but 5.6 vs Fable is a unique situation We've never had a case where the team is so completely convinced on which one is better Here's the timeline of our experience with it - We test early versions of 5.6 for a couple of weeks a…↗

I rebuilt Posia using the Pi Agent SDK. The core agent is ~15 lines of code, and the harness is so flexible and hackable. Recorded a 17-min walkthrough on: - Pi’s extension system + how to build your own - extensions that cut tool tokens by 80–96% - the core Pi SDK, step by ste…↗

mattpocock/skills v1.1 is out! - /wayfinder helps you plan more ambitious work than ever - /to-spec and /to-tickets replace /to-prd and /to-issues - /implement + /code-review complete the whole lifecycle - /research and /prototype help support wayfinder, or can be used independe…↗

Introducing SWE-1.7, the most capable model we’ve trained yet. It scores within a few points of the strongest frontier models at a fraction of the cost, and is now available at 1000 tok/s. RL is not hitting its limit: after refining our recipe, we keep seeing gains as we scale↗

If you have access to GPT Live, test out this prompt. "Hey, I want you to teach me about a concept. <insert concept> but every time I interrupt you, I want you to get progressively more angry at me and tell me to stop talking and let you finish" There is an amazing feeling w…↗

Introducing GPT-Live, a new generation of voice models for natural human-AI interaction. Rolling out in ChatGPT starting today. You’ll want to turn the sound on for this one.↗

GPT-live (next-generation voice) launches today in ChatGPT. it feels magical and 'real'. i have always preferred typing to talking to an AI, now i think that's going to shift.↗

i have this file to replace the claude code system prompt with a pi-style one alias claude-pi='claude --system-prompt-file ~/.claude/pi-system-prompt.txt --dangerously-skip-permissions'↗

Here's a step-by-step process to kill all the bloat from your Claude Code system prompt: 1. Run a proxy so you can see exactly what gets sent to Claude Code (included in the article) 2. "Fuck, there is so much cruft in there" 3. Use my settings.json to kill all the bloat Down t…↗

That's the spine. Fair hit. That's something to sit with. A real observation. That’s the whole thing. Sharpen that: say the word. Notice the arc of what just happened. One honest caveat: the full amount, stated plainly. Genuinely. Quietly. Honestly. That’s doing real work.↗

Live tweeting video editing of my AIE talk. Swyx sent me 4 videos that are about 60GB, I also threw in my HTML deck. This is my starting prompt.↗

Open sourced all of my Notion Workers including my Twitter bookmarks sync github.com/colebemis/noti…↗

Fable is extremely good at writing original NES games in assembly. Here it designed an original game graphics, soundtrack, everything from scratch, and it'd actually run within the constraints of a real cartridge. Wild.↗

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FIFA World Cup 2026 for NES, brought to you by Fable↗

Router has been in production for a few weeks and the savings have exceeded the original benchmarks. Measuring billed usage vs the same workload priced at Opus rates, we’ve found: 43% aggregate cost savings 61% of sessions are at least 80% cheaper↗

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I'm open-sourcing my Agent Skills library. 75 skills for Codex, Claude Code, Cursor, and other agents, focused on web design, landing pages, motion, WebGL, UI styles, and assets. A few favorites: - Video to Super Prompt Turns a screen recording of a design, landing page, or an…↗

Introducing AI Browser Games! Watch open & closed models build small browser games head to head. Open models like Kimi K2.7 were faster, cheaper, & produced games similar to Opus 4.8. In some cases, open models were ~20x cheaper than closed ones too!↗

Claude Cowork is coming to mobile and web. Hand Claude a task at your desk and pick up the finished work from your phone. Close the laptop and Claude keeps going. Beta is rolling out over the next several weeks starting with the Max plan, with more plans to follow.↗

Developers: What learning resources do you recommend for actually deploying and building a project? (I dont mean code syntax, but things "between the lines" you usually learn with experience). i've been building a thing and trying to get better at things like servers, dev envir…↗

What The New 100x Agentic Engineer Looks Like In The Era Of Fable & GPT 5.6 # Introduction If you're lucky and are old enough to have been in the era of handwritten code, you will know that there exists the 100x software engineer. They are a class of software engineers who, th…↗

we need a karpathy for non-technical people. a larpathy if you will↗

new post on harness engineering for AI self-improvement: lilianweng.github.io/posts/2026-07-… It is hard to forecast how much the future of RSI will rely on harnesses. Likely harness engineering will evolve in the direction of self-improvement and enable auto-research, and, in t…↗

Don't make the same mistakes I did. Here's a video on how to get the most out of Fable, full of real world examples of Fable helping me ship.↗