We’ve optimized kUPS specifically for GPU in collaboration with @nvidia , achieving up to 49× throughput over widely used software like RASPA for specific simulations.
RESEARCH
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Computational Scientists Face Workflow Friction in Molecular Modeling
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Whether it’s screening semiconductor materials or exploring drug-protein interactions, computational scientists hit the same wall: workflow friction and inefficiency. But modelling complex molecular phenomena shouldn't feel like a battle.
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GPT-5.5 Achieves State-of-the-Art Agentic Coding and Tool Use Results
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GPT-5.5 reaches SOTA results across key evals for agentic coding, computer use, tool use, advanced math, and cybersecurity: 82.7% on Terminal-Bench 2.0 and 78.7% on OSWorld-Verified. Rolling out in Codex and ChatGPT today. API coming soon! Full post:
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Early Access to GPT-5.5 Pro Version Announced
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I had early access to GPT-5.5. It is very good, especially the Pro version. Full writeup very shortly.
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New AI Model Shows Promise After Three Weeks Testing
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this model is a beast.
— Dan Shipper 📧 (@danshipper) 23 avril 2026
we've been testing for 3 weeks. live vibe check here: https://t.co/aRU3yIhV1Ythis model is a beast. we've been testing for 3 weeks. live vibe check here:
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GPT Model Performance Benchmarking and Marginal Improvements Analysis
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A benchmark that captures the evolution of models in real office work well is OpenAI's own GDPval, and notice that here the model improves only marginally over the previous one, but the thing is that it really even in WINS achieves less than GPT 5.4. Honestly, I think there are
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FASTER: Value-Guided Sampling Improves Reinforcement Learning Efficiency
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"FASTER: Value-Guided Sampling for Fast RL" Instead of fully denoising many action candidates and picking the best one at the end, it learns a critic over the noise seed and selects the promising sample upfront. They showed that the advantage of best-of-N is already visible
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Another day, another new best model in the world
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Another day, another new best model in the world… https://t.co/j2YWVZDw8g
— Matt Wolfe (@mreflow) 23 avril 2026Another day, another new best model in the world…
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GPT 5.5 Achieves Superior Performance with Reduced Token Consumption
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Something worth celebrating is the efficiency gains in token usage! Here GPT 5.5 pushes the frontier and makes its consumption cheaper by achieving (in the aggregated Artificial Analysis benchmark) the same performance using the medium level of GPT 5.5 (22M tokens) as what GPT
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GPT 5.4 Analysis: Improvements Over Previous Model Version
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That said, let's tackle it not from the hype perspective that OpenAI and others have been hyping up in recent weeks with the damn potato and let's analyze it as a new model. For me, GPT 5.4 has been an excellent model, and if this one improves it and fixes its weak points, it