Simon Willison

Simon Willison

@simon-willison

Publisher

71

Posts

Posts by Simon Willison

A

LLM cliché highlighter

Detect and highlight common clichéd phrases in text that frequently appear in language model outputs. Paste text into the analyzer to identify patterns like "no X, no Y" chains, "sit …

Simon Willison Simon Willison · AI ·
0
Quoting Thibault Sottiaux

Quoting Thibault Sottiaux

On file deletions. We’ve investigated a handful of reports where GPT-5.6 unexpectedly deleted files. What we have found is that this most commonly occurs when: Full access mode is enabled …

Simon Willison Simon Willison · AI ·
0
Inkling: Our open-weights model

Inkling: Our open-weights model

Mira Murati's Thinking Machines Lab just released their first open-weights model. Inkling is "a Mixture-of-Experts transformer with 975B total parameters, 41B active" - an Apache-2.0 licensed multimodal model trained on …

Simon Willison Simon Willison · AI ·
0
simonw/pedalican

simonw/pedalican

Clearly I wasn't paying attention when these were first announced back in May, but today I accidentally activated a "pet" in Codex Desktop - a little animated robot, reminiscent of …

Simon Willison Simon Willison · AI ·
0
DOOMQL

DOOMQL

Peter Gostev built this using GPT-5.6 Sol. This is a lot of fun: DOOMQL started with a deliberately unreasonable question: what if SQLite were the game engine, not merely the …

Simon Willison Simon Willison · AI · General Discussion ·
0
W

Introducing Muse Spark 1.1

Following Muse Spark in April, here's Muse Spark 1.1 - the first Spark model to offer an API. Meta claim significant improvements in agentic tool calling and computer use. There …

Simon Willison Simon Willison ·
0
W

tencent/Hy3

New Apache 2.0 licensed model from Tencent in China: Hy3 is a 295B-parameter Mixture-of-Experts (MoE) model with 21B active parameters and 3.8B MTP layer parameters, developed by the Tencent Hy …

Simon Willison Simon Willison ·
0
W

Better Models: Worse Tools

Armin reports on a weird problem he ran into while hacking on Pi: The short version is that newer Claude models sometimes call Pi’s edit tool with extra, invented fields …

Simon Willison Simon Willison ·
0
W

June 2026 newsletter

The June edition of my sponsors-only monthly newsletter is out. If you are a sponsor (or if you start a sponsorship now) you can access it here. This month: Claude …

Simon Willison Simon Willison ·
0
W

Quoting Anthropic

We’ve received notice that the Department of Commerce has lifted export controls on Claude Fable 5 and Mythos 5. We'll begin restoring access tomorrow, and will share an update soon.

Simon Willison Simon Willison ·
0
Nano Banana 2 Lite

Nano Banana 2 Lite

Also known as Gemini 3.1 Flash Lite Image (gemini-3.1-flash-lite-image in their API), this is the "fastest and cheapest Gemini image model, engineered for velocity and scale". I used AI studio …

Simon Willison Simon Willison ·
0
P

Quoting Jon Udell

Human Agent in the loop I dislike the phrase “human in the loop” because it cedes authority to the machines. Let’s flip the narrative. It’s our loop, we work the …

Simon Willison Simon Willison · Python ·
0
P

Hack Your Summer

I learned about this initiative from DJ Patil this morning: It’s a 4-week, high-velocity production sprint for undergraduate students, graduate students, and recent graduates who want to build something real …

Simon Willison Simon Willison · Python ·
0
P

Quoting Dean W. Ball

This is a bad state of affairs. Consider, in particular, some industry dynamics: Frontier models are trained at an enormous cost, and a significant fraction of that cost is recouped …

Simon Willison Simon Willison · Python ·
0
P

Quoting OpenAI

We're beginning a limited preview of the GPT‑5.6 series: Sol, our flagship model; Terra, a balanced model for everyday work; and Luna, a fast and affordable model. Terra has competitive …

Simon Willison Simon Willison · Python ·
0
P

AI and Liability

Bruce Schneier and Nathan Sanders on the recent German ruling that Google be held liable for errors introduced in their AI overviews: AI agents are agents of the person or …

Simon Willison Simon Willison · Python ·
0