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Peter Gostev
@petergostev
London 🇬🇧 AI Capability @arena
1.1K Following    27.2K Followers
OpenAI and Anthropic’s latest models aren’t a major new frontier in AI, says @arena’s @petergostev: "The point is when you get the new frontier, you're going to feel it, right? It's going to be very obvious." "For now, that's not it. This is just the next iteration."
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"No way that LLMs can do anything in [INSERT FIELD THAT JUST GOT OBLITIRATED], they can't [REASON, BE CREATIVE], they are just [STOCHASTIC PARROTS, PREDICTING NEXT WORD]" Rinse & repeat
Claude has discovered a previously unknown enzyme system hidden in the DNA of bacteriophages. Beside the enzyme’s gene sits a long array of repeating DNA—a structure that looks somewhat similar to CRISPR. We don’t yet understand what this system does, but only a handful of known systems share its features, and all of them are able to cut, copy, and paste DNA. Historically, the discovery of such programmable systems has helped revolutionize medicine. CRISPR, for instance, is now the foundation of genetic medicines. But it will take much more work to learn what this system does, and whether it can be put to similar use. Read more:
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Just dropped my new article. Hope you enjoy it :)
Today on TITV: -OpenAI, Anthropic release cheaper AI models | @petergostev, AI Capability Lead at Arena AI -Investors visit China as country’s AI prowess rises | @julia_hornstein -China probes DeepSeek and Moonshot AI | @jingyanghk -a16z unveils AI college alternative | @gaganbiyani, CEO at The Horowitz Andreessen Academy 📺 Tune in at 10 am PT / 1 pm ET on
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Worms Armageddon — GPT-6 Astra vs Claude Fable 5.1 — Max Reasoning
Tough luck @pmarca
Announcing the 2026 ETN100, the 100 most influential tech posters on X
The best thing about GPT-6-Sol is efficiency. In my testing the difference between GPT-5.6-Sol and GPT-6-Sol is the new version consumes 1/2 the tokens and takes 1/5 of the time to complete the task. On top of the 50% cost reduction, it should be quite a nice daily driver
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Scores for GPT-6 Sol and GPT-6 Luna by @OpenAI are coming soon. Head to Arena now to test them. Your votes on real-world agentic tasks power our leaderboard! In the meantime, @petergostev ran GPT-6 Sol head-to-head against GPT-5.6 Sol under matched conditions: the same prompts, with both models using max reasoning. The comparison examines not just the generations, but also total token usage and wall-clock time, revealing how the models differ in output, token use, and latency. Find the results and Peter’s prompts on our YouTube.
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I gotta say, my bet was on: AI = American Intelligence
The important question for the singularity is why did OpenAI's new model solve 100 open maths problems, but none of Jay-Z's
Jev plays RollerCoaster Tycoon 2 - unfortunately it didn't really do anything useful. It built some rides at the beginning and then got stuck. Setting this up wasn't simple so maybe someone could do it better. But it isn't a magical game playing model out of the box. For harder games we do need the intelligence of smart models.
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This is the one you've all been waiting for: Jev plays RollerCoaster Tycoon 2
"this model has now resolved more than 100 long-standing open problems across most areas of mathematics" I'd appreciate a heads up which ones they are, just a list of 100 titles, no need for papers
We’re working with an independent advisory group of mathematicians to help OpenAI responsibly share advances in AI and mathematics. The group will advise on how we assess and communicate new mathematical results, uphold academic and professional standards, and build tools that support mathematical research and learning. Through this work, we want mathematicians to be at the center of shaping how AI supports mathematical understanding and how its benefits reach the wider community.
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Advisor: "Believe in yourself. Make a breakthrough"
We’re working with an independent advisory group of mathematicians to help OpenAI responsibly share advances in AI and mathematics. The group will advise on how we assess and communicate new mathematical results, uphold academic and professional standards, and build tools that support mathematical research and learning. Through this work, we want mathematicians to be at the center of shaping how AI supports mathematical understanding and how its benefits reach the wider community.
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This is the one you've all been waiting for: Jev plays RollerCoaster Tycoon 2
Astra playing Fallout 2 by @Clad3815 - gorgeous design around the whole gaming UI
Worms Armageddon: Fable 3:0 Astra - highlights from 90 mins playing. Neither played super well, but Astra was particularly suicidal, while Fable did have a few good moments.
I've always said this - Accenture will save the world
The API cost would have been $68.18 for Astra vs $297.33 for Fable
We need a new metric for the AI era, I propose: Safety Adjusted EBITDA