OpenAI just released GPT-4.5 and says it is its biggest and best chat model yet - Related to remains, says, model, sigil, dungeons

An ancient man’s remains were hacked apart and kept in a garage

Scientists have found ancient brains before—some are thought to be at least 10,000 years old. But this is the only time they’ve seen a brain turn to glass. They’ve even been able to spot neurons inside it.

The man’s remains were found at Herculaneum. An ancient city that was buried under meters of volcanic ash following the eruption. We don’t know if there are any other vitrified brains on the site. None have been found so far, but only about a quarter of the city has been excavated.

Some archaeologists want to continue excavating the site. But others argue that we need to protect it. Further digging will expose it to the elements, putting the artifacts and remains at risk of damage. You can only excavate a site once, so perhaps it’s worth waiting until we have the technology to do so in the least destructive way.

After all, there are some pretty recent horror stories of excavations involving angle grinders. And of ancient body parts ending up in garages. Future technologies might eventually make our current approaches look similarly barbaric.

The inescapable fact of fields like archaeology or paleontology is this: When you study ancient remains. You’ll probably end up damaging them in some way. Take, for example, DNA analysis. Scientists have made a huge amount of progress in this field. Today, geneticists can crack the genetic code of extinct animals and analyze DNA in soil samples to piece together the history of an environment.

But this kind of analysis essentially destroys the sample. To perform DNA analysis on human remains, scientists typically cut out a piece of bone and grind it up. They might use a tooth. But once it has been studied, that sample is gone for good.

Archaeological excavations have been performed for hundreds of years, and. As lately as the 1950s, it was common for archaeologists to completely excavate a site they discovered. But those digs cause damage too.

Nowadays, when a site is discovered, archaeologists tend to focus on specific research questions they might want to answer, and excavate only enough to answer those questions. Says Karl Harrison, a forensic archaeologist at the University of Exeter in the UK. “We will cross our fingers, excavate the minimal amount, and hope that the next generation of archaeologists will have new, improved tools and finer abilities to work on stuff like this,” he says.

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OpenAI just released GPT-4.5 and says it is its biggest and best chat model yet

People with a $200-a-month ChatGPT Pro account can try out today. OpenAI says it will begin rolling out to other clients next week.

With each release of its GPT models. OpenAI has shown that bigger means enhanced. But there has been a lot of talk about how that approach is hitting a wall—including remarks from OpenAI’s former chief scientist Ilya Sutskever. The corporation’s indicates about feel like a thumb in the eye to the naysayers.

All large language models pick up patterns across the billions of documents they are trained on. Smaller models learned syntax and basic facts. Bigger models can find more specific patterns like emotional cues, such as when a speaker’s words signal hostility, says Ryder: “All of these subtle patterns that come through a human conversation—those are the bits that these larger and larger models will pick up on.”.

“It has the ability to engage in warm, intuitive. Natural, flowing conversations,” says Glaese. “And we think that it has a stronger understanding of what individuals mean, especially when their expectations are more implicit, leading to nuanced and thoughtful responses.”.

“We kind of know what the engine looks like at this point. And now it’s really about making it hum,” says Ryder. “This is primarily an exercise in scaling up the compute, scaling up the data, finding more efficient training methods. And then pushing the frontier.”.

OpenAI won’t say exactly how big its new model is. But it states the jump in scale from GPT-4o to is the same as the jump from to GPT-4o. Experts have estimated that GPT-4 could have as many as trillion parameters, the values that get tweaked when a model is trained.

was trained with techniques similar to those used for its predecessor GPT-4o, including human-led fine-tuning and reinforcement learning with human feedback.

“The key to creating intelligent systems is a recipe we’ve been following for many years, which is to find scalable paradigms where we can pour more and more resources in to get more intelligent systems out,” says Ryder.

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Sigil brings Dungeons and Dragons to life like never before

Dungeons and Dragons is more popular than ever, and now its virtual tabletop — appropriately titled Sigil — is open for use. Sigil is described as an “immersive 3D virtual tabletop” that lets players build custom maps, miniatures, and even add in environmental effects. Think of it like Roll20 with an extra dimension (of the physical variety, not an elemental plane.).

In a blog post shared on the D&D Beyond website, Davyd Barker lays out how Sigil works and. What you’ll need to get started. Creating an account and playing around with the tool is free; all you need is a D&D Beyond account. And yes, that means it integrates with D&D Beyond so you can easily add in your preexisting characters. The download includes a base experience with a premade adventure, a starter builder kit, and. The ability to join multiplayer games.

Sigil also comes with custom effects for spells. Flashier magic will light up the screen and give a much more visceral feel to all attacks, and. Any time you roll dice, they appear onscreen for all to see. It creates a more party-focused feel where all players can celebrate good rolls and vent frustrations over critical failures.

More advanced capabilities are locked behind the Master Tier, but it is available to try out for 30 days for free (and it’s only $ per month after, which is actually less than what Roll20 charges.) It allows clients to host up to 15 different multiplayer rooms, save an unlimited number of maps. And has a significantly higher number of prepainted miniatures — 83, to be exact. And that’s on top of 60 unpainted minis and 21 custom mini outfits.

The Builder kits also include more options like Crude Mines, Graveyard, Owlbear Forest. And Rustic Village.

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This is a full release of the software, not a beta. While there is still a lot of room to grow, Wizards of the Coast says more attributes are on the way. It seems like the corporation plans to support Sigil for some time to come, which is great news for players who want a more immersive experience without paying for battle maps, miniatures. And more.

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