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Hydrogen brings major leaps in intelligence, speed, and reliability: ⚡ Cutting-edge intelligence: Surpasses Argon on the @ArtificialAnlys Intelligence Index at default high thinking (and climbs even higher at xhigh), while finishing tasks faster than competing models in its class. 💻 Cleaner coding & debugging: More than triples 3.8 Flash on Terminal-Bench 4.1, cuts fabricated claims by more than 5X, and adapts cleanly when a tool call fails or a search returns empty. 💼 Top marks on real-world work: Ranks #1# on Vals Tax Agent Bench, ties for #1# on Vals Legal Research, and leads on AutomationBench-AA, Multimodal Knowledge Agent (MKA), and Agents' Last Exam.

Six months ago, we made a bold decision to rebuild the entire ads platform from scratch - the biggest overhaul in our company’s 20 year history. Sr. Director, SMB Sales at X @LeslieMercado0 is diving into how X Ads drives real results for businesses of all sizes.

Good Morning Fam ☀️🫶☕️ Wish you a relaxing day today. Don't get the bad energy here. Here in this room, unfortunately, there are many false people. Just experienced here again yesterday! Best to just ignore. 😘🥰 I personally don't need such followers here. Because I have enough decoration at home. I don't need them here at X either 😂😂🤣🤣 That’s ME #46# - No Apologies

Today, we are excited to confirm that our journey with PHYSINT continues with Asha(@asha_shar) and the team at XBOX. XBOX understands and shares our bold creative vision, and this expands our relationship with XBOX beyond OD. As we move forward with the development of PHYSINT, we remain committed to redefining the action-espionage genre for players around the world. #KojimaProductions# #PHYSINT# #XBOX#

After 13 years, this is my last week at X. So proud to be a part of the team that builds this incredible platform. X is the only place in the world that gives everyone a voice in the global town square. Behind the app is an insanely talented team of engineers and staff who work 24/7 to make it better. I couldn’t be more grateful to have gotten to work so closely with them. Especially the last few years building under pressure most companies will never know. From stabilizing core systems to rebuilding DMs and live-streaming, every day I learned something new from brilliant people. Thank you to everyone who helped me out along the way. 💙🖤

Main result. At xhigh every quant landed between 88.0 and 90.0% pass@1 on the full suite: AWQ INT4: 90.0% NVFP4: 89.3% GGUF Q4_K_M: 89.3% FP8: 88.7% NInfer: 88.0% Yes, the 4 bit quants scored above the FP8 baseline. McNemar says its a statistical tie, first and last place differ by three tasks out of 150. I started this run to show you how quantization eats quality. There is nothing to show. The gap between quants is smaller than the gap between reasoning presets.

Hi Mr.@ElonMusk my name is greg and I’d like to formerly apply for the position of Head of Product at 𝕏 Attached in the next post is my resume and I look forward to hearing back from you

GPT-5.4 full at xhigh scored 51, exactly where Luna max sits today. GPT-5.4 costs $2.50/$15; Luna now costs $0.20/$1.20. In other words, roughly four months later, OpenAI is selling March’s full flagship intelligence at about one-thirteenth the token price.

“In research, we must dare to explore new questions & never limit ourselves to our own fields,” says TsinghuaRen Chen Boyuan (China), a class of 2026 undergrad at Xingjian College. Starting in mechanics, he grew into an interdisciplinary explorer bridging mechanics & embodied AI.