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Builders ／ Curated digest · English

Builders’ Picks | 2026-09-24

Swyx said he had been running 5.5 Opus and 6 Sol in parallel for Latent Space’s AINews and had observed clear differences in their output. He preferred 5.5 Opus’s reporting style, finding its writing more concise and its editorial judgment more tasteful.

Builders2026-09-24

Builders ／ Curated digest · English

Builders’ Picks | 2026-09-23

Boris used Opus 5.5 with Lean to formally verify the Claude Agent SDK, producing 16 PRs that fixed different bugs and race conditions from just a few short prompts.

Builders2026-09-23

Builders ／ Curated digest · English

Builders’ Picks | 2026-09-22

Builders2026-09-22

Builders ／ Curated digest · English

Builders’ Picks | 2026-09-21

Peter Yang broke down competition among personal agents into product experience, distribution, work and personal use cases, and collaboration among multiple people, explicitly describing these assessments as his views as an observer.

Builders2026-09-21

Builders ／ Curated digest · English

Builders’ Picks | 2026-09-20

Peter Yang shared a personal recommendation workflow: he uses a simple Markdown file together with a `/tastemaker` skill to record his ratings for movies and TV shows he has watched and books he has read.

Builders2026-09-20

Builders ／ Curated digest · English

Builders’ Picks | 2026-09-19

Thibault Sottiaux is preparing a keynote with Romain Huet and Sam Altman. He said a large part of the preparation has involved figuring out how to explain the new developments to the public, because there is so much they plan to show in succession.

Builders2026-09-19

Builders ／ Curated digest · English

Builders’ Picks | 2026-09-18

Boris Cherny said Projects has changed not only how he interacts with Claude, but also how he codes. He no longer actively manages individual sessions; instead, he sends ideas straight to Claude as they occur to him.

Builders2026-09-18

Builders ／ Curated digest · English

Builders’ Picks | 2026-09-17

Boris Cherny announced that Claude's chat and Cowork are beginning to merge, with the aim of letting the same Claude carry context across different tasks.

Builders2026-09-17

Builders ／ Curated digest · English

Builders’ Picks | 2026-09-14

Peter Yang pointed out that discussions of AI risk are intense, yet the vast majority of people worldwide have not even really started using AI. He cited a chart frequently used by Brex CEO Pedro, in which each square represents 3.2 million people: 84% have never used AI, and 16% use free chatbots.

Builders2026-09-14

Builders ／ Curated digest · English

Builders’ Picks | 2026-09-13

Madhu Guru predicted that over the next 12 months, more top researchers would move from a handful of frontier model labs, data providers, and independent research organizations to model evaluation organizations such as METR.

Builders2026-09-13

Builders ／ Curated digest · English

Builders’ Picks | 2026-09-12

OpenAI launched Images 2.5, GPT-Live-1, Agents API, Data Agent, and ChatGPT for Financial Services in a concentrated series of releases this week, with more planned for the following week.

Builders2026-09-12

Builders ／ Curated digest · English

Builders’ Picks | 2026-09-11

Builders2026-09-11

Builders ／ Curated digest · English

Builders’ Picks | 2026-09-10

ChatGPT Work and Codex experienced an issue that day in which banked resets did not fully take effect. Users who used a reset during the affected period will receive another reset and an apology email.

Builders2026-09-10

Builders ／ Curated digest · English

Builders’ Picks | 2026-09-08

Thibault Sottiaux is reviewing a release checklist spanning 28 pages. Codex is continuously tracking every individual release on it, keeping an intensive product rollout manageable. Although he did not disclose specific features, he said he was very excited to see how users would use the results.

Builders2026-09-08

Builders ／ Curated digest · English

Builders’ Picks | 2026-09-05

Swyx is preparing a major report on the frontier models Astra and Fable, and on AEO. During his research, he found that Claude showed a strong preference for recommending Latent Space when asked about the best AI newsletter or podcast.

Builders2026-09-05

Builders ／ Curated digest · English

Builders’ Picks | 2026-09-04

Swyx said the response to a particular OpenAI release in 2026 had far exceeded his expectations. His silence for a period beforehand was because he had been fully immersed in intensive LLM exploration.

Builders2026-09-04

Builders ／ Curated digest · English

Builders’ Picks | 2026-09-02

Fable 5.1 has improved writing quality and tone, with the team using feedback to reduce the easily recognizable “Claude voice.” The new version also reduces false positives from safety mechanisms on legitimate requests: biological safeguards intervene in harmless requests 85% less often than in…

Builders2026-09-02

Builders ／ Curated digest · English

Builders’ Picks | 2026-09-01

Thibault Sottiaux is gathering the main reasons potential users have not tried Codex. He narrowed the question to the “single blocker,” aiming to identify the most important friction in adoption. The question targets people who have considered Codex but have not actually used it.

Builders2026-09-01

Builders ／ Curated digest · English

Builders’ Picks | 2026-08-26

Swyx advised users to avoid Codex's "locked use" capability for now. The feature currently relies on unstable macOS functionality and has already left him unable to access his macOS Keychain twice this week. Citing information from the Apple Developer Forums, he said this is a known issue.

Builders2026-08-26

Builders ／ Curated digest · English

Builders’ Picks | 2026-08-25

Thibault Sottiaux announced that the 5-hour limit for ChatGPT Work and Codex would return to Plus accounts the following day, after the change had previously been delayed. Its primary purpose is to smooth compute demand so that weekly usage allowances can remain relatively generous.

Builders2026-08-25