GPT‑5 is our strongest coding model to date. It shows particular improvements in complex front‑end generation and debugging larger repositories.
@openai
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GPT-5 Enhances Writing Capabilities for Professional Communication
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GPT-5 has improved writing capabilities. You can translate concepts and ideas into compelling, emotionally resonant writing with literary depth and rhythm. These improved writing capabilities mean ChatGPT is even better at helping you with everyday tasks like reports, emails,
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GPT-5 Achieves State-of-the-Art Performance Across Multiple AI Domains
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GPT-5 is a significant leap in intelligence over all our previous models, featuring state-of-the-art performance across coding, math, writing, health, visual perception, and more.
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GPT-5 Launch: OpenAI Releases Next-Gen AI System
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Introducing GPT-5 Our best AI system yet, rolling out to all ChatGPT users and developers starting today.
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GPT-5 Launch: OpenAI Releases Latest AI Model Globally
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GPT-5 is here.
— OpenAI (@OpenAI) 7 août 2025
Rolling out to everyone starting today.https://t.co/rOcZ8J2btI pic.twitter.com/dk6zLTe04sGPT-5 is here. Rolling out to everyone starting today. https://
openai.com/gpt-5/ -
$500K Red Teaming Challenge Launches for Open Source Safety
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We’re launching a $500K Red Teaming Challenge to strengthen open source safety. Researchers, developers, and enthusiasts worldwide are invited to help uncover novel risks—judged by experts from OpenAI and other leading labs.
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GPT-OSS Builds Video Game Using Tool Integration and Chain-of-Thought
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Want to see our open models in action? Watch how gpt-oss builds a video game—using tools step-by-step within chain-of-thought reasoning
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GPT-OSS-120B Fails High Capability Under Safety Framework
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We adversarially fine-tuned gpt-oss-120b and evaluated the model. We found that even with robust fine-tuning, the model was unable to achieve High capability under our Preparedness Framework. Our methodology was reviewed by external experts, marking a step toward new safety
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Free GPT-OSS Models Released with MXFP4 Quantization Support
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Both gpt-oss models are free to download on Hugging Face, with native MXFP4 quantization built in for efficient deployment. Full list of day-one support is available on our blog.
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GPT-OSS Models Implement Advanced Safety Training Approaches
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The gpt-oss models leverage our state-of-the-art approaches to safety training. We used deliberative alignment and an instruction hierarchy during post-training to help the models refuse unsafe prompts and defend against prompt injections, as well as pre-training interventions.