Il doit sûrement être bon en gestion de hack en base64 le #gpt5.5
GENERATIVE AI
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Codex Used for Security Reviews of AI-Generated Code
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I've been previewing this in Codex for a few weeks – it's very good!
— Simon Willison (@simonw) 23 avril 2026
Had some great results from it having it run security reviews against code written using other models https://t.co/MHVbOboODqI've been previewing this in Codex for a few weeks – it's very good! Had some great results from it having it run security reviews against code written using other models
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New AI Model Shows Better Benchmarks Despite Higher Costs
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What is clear is that it is a better model in terms of benchmarks and based on the feedback I've been seeing for days from insiders I trust who have been testing it. Bring it on. That said, it is also a more expensive model.
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AI Inference Efficiency: Company Transformation Strategy
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Really excellent work by the inference team to serve this model so efficiently! To a significant degree, we have to become an AI inference company now.
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AI Models Reaching Excellence in Code, Struggling Elsewhere
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It's not "meh", and it's not plateauing. I think we're just reaching a point where, for the things the models were already good at (i.e. code), they are becoming absolutely excellent, and it's hard to tell the difference between releases. And for things that they're not yet good
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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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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…