June 2026

Anthropic just shipped Claude Sonnet 5. They call it its most agentic Sonnet model yet. It plans, drives browsers and terminals, and runs autonomously across long tasks. Sonnet 5 is the default model for Free and Pro plans today. Max, Team, and Enterprise users can select it. It is also live in Claude Code and on the Claude Platform. TL;DR Sonnet 5 is Anthropic’s most agentic mid-tier model, closing much of the gap to Opus 4.8. Beats Sonnet […]

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What’s new in Claude Sonnet 5 Claude Sonnet 5 came out this morning. I always head straight for the “what’s new” developer docs because they tend to have more actionable information than the official announcement post. Anthropic say of Sonnet 5 that “its performance is close to that of Opus 4.8, but at lower prices”. The system card helps explain how they were able to release the model without being blocked by the US government: Sonnet 5 is […]

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Almost 11 months ago, I launched RoboSpace, a browser-based robotics simulator for quickly prototyping robot behaviors. Looking back at the analytics, one metric stood out more than reaching 600+ users. try robospace.app June 29th was the ONLY day since launch with zero sign-ups. Some of the best features in RoboSpace weren’t my ideas—they came directly from researchers, students, and robotics developers who told me what was slowing them down. Eleven months later, the biggest lesson I’ve learned is: […]

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NASA officials said Tuesday that they are seriously considering sending the full-scale engineering model of the Perseverance rover, which is currently housed at the Jet Propulsion Laboratory in California, to the Moon to expedite their efforts to explore the south pole region. The car-sized rover nicknamed “Promise,” which serves as a testbed for Perseverance and was not otherwise planned for a launch, would land equipped with a multi-mission radioisotope thermoelectric generator (MMRTG) to power it across difficult terrain and […]

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Google is so famous for killing products that there’s a whole virtual graveyard you can explore. Google’s latest shutdown now has a headstone of its own. Effective today, Google has discontinued the Tenor API, which you may not be familiar with by name. You’ve probably used it, though. Tenor is a database of searchable GIFs, which used to serve animated images to sites like X/Twitter, Discord, and more. Now, it only serves Google—maybe the headstone is a bit […]

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is that possible? amp implementations on the internet assume you’re using on-policy ppo. in training, ppo’s collection time is huge (22s for 2000 steps) v/s tqc’s (~1 sec for 32k steps) i am tight on time and not sure how to progress further. training a hybrid robot to climb stairs and it has been a pain (atleast above 3cm). when do you know that physics is the problem and not the reward structure anymore. i have spent now […]

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Apple is hoping the Supreme Court will reverse a contempt finding that threatens to block the tech giant from charging high commission fees when developers divert iPhone users to non-Apple payment methods for app purchases. The contempt finding came in a case where Epic Games accused Apple of violating a judicial order requiring changes to its App Store, which charged a 30 percent commission for using Apple payment methods and did not allow developer links to alternative payment […]

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Makers of AI browsers make lofty promises. With a single prompt, users can ask one to find a restaurant in a particular part of town, reserve a table, invite a colleague to lunch, and email a confirmation. These makers are much more reticent about the risks of blurring the once fine line between browsing sites and asking a large language model a question or instructing it to take potentially sensitive actions. LLM developers’ answer so far has been […]

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