LETS GOOOO! Excited to introduce GPT-5.5 Thinking & Pro in ChatGPT and Codex It's our smartest model *yet* for real work: stronger agentic coding, computer use, knowledge work, long-context reasoning, and scientific research It can plan, use tools, check its work, recover
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GPT-5.5 Opens Entirely New Categories of Work
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That is what feels different.
GPT-5.5 doesn’t just make you faster at the work you already know how to do.
It makes entirely new categories of work feel possible. -
GPT-5.5 Unlocks Vibe Hardware Era for AI Workflows
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GPT-5.5 is the highest leverage tool I have ever touched.
— Pietro Schirano (@skirano) 23 avril 2026
For the first time, I don’t feel limited by what a model can do. I feel limited only by what I can imagine.
Training workflows. Impossible optimizations. Hardware experiments over USB.
The vibe hardware era begins. https://t.co/0mUw3YoWySGPT-5.5 is the highest leverage tool I have ever touched. For the first time, I don’t feel limited by what a model can do. I feel limited only by what I can imagine. Training workflows. Impossible optimizations. Hardware experiments over USB. The vibe hardware era begins.
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GPT-5.5 Resolves Complex Code Conflicts in AGI Moment
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One day while testing GPT-5.5, I had my first taste of AGI.
We had a branch with hundreds of visual and front-end changes, plus complex refactors.
At the same time, main had changed a lot too.
Conflicts everywhere. -
GPT-5.5 Completes Branch Integration Task in One Shot
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I asked GPT-5.5 to compare both branches, create a new branch off main, and make sure everything from the other branch was integrated correctly.
It did it in one shot.
I was in disbelief.
It took about 20 minutes. -
GPT-5.5 Codex generates visual assets and web UI code
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🚨 I got early access to GPT-5.5 in Codex and tried it on complex web UI and game generation.
— CHOI (@arrakis_ai) 23 avril 2026
The biggest difference I noticed was its insane ability to directly generate and implement visual assets in a single shot.
It handled complete design integrations better than my… pic.twitter.com/4DujdCi7EEI got early access to GPT-5.5 in Codex and tried it on complex web UI and game generation. The biggest difference I noticed was its insane ability to directly generate and implement visual assets in a single shot.
It handled complete design integrations better than my -
New AI Model Excels at Hard Tasks, Uses Fewer Tokens
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It's an incredible model. The problem is, the previous models were incredible too. For most tasks, it won't feel very different. But for hard tasks, it's significantly better. It also uses fewer tokens, so even though it is priced higher per token, you might end up spending
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Gemini 3.1 TTS Introduces Audio Tags for Vocal Style Control
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Last week, we launched Gemini 3.1 TTS, our latest and best text-to-speech model. This new model introduces [awe] audio tags, an intuitive way to guide vocal style, pace, and delivery.
— Google AI (@GoogleAI) 23 avril 2026
Here are some tips on the best ways to use audio tags in your prompts:
1. All inline tags must… pic.twitter.com/YDbBLs5DcpLast week, we launched Gemini 3.1 TTS, our latest and best text-to-speech model. This new model introduces [awe] audio tags, an intuitive way to guide vocal style, pace, and delivery. Here are some tips on the best ways to use audio tags in your prompts: 1. All inline tags must
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OpenAI Announces GPT 5.5 Flagship Model Features
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OPENAI ANNOUNCES GPT 5.5! OpenAI's new flagship model is here already, let's break down the new features bit by bit. Inside thread
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GPT-5.5 Demonstrates Significantly Enhanced Capabilities Over Previous
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When using GPT-5.5, it is instantly noticeable how much more powerful it is.
— Peter Gostev (@petergostev) 23 avril 2026
In Codex, I gave it a very complex prompt to create London Toy Railway with landmarks and seasons – it did an excellent job in one shot.
In the second half of the video you see GPT-5.4 – it was also… pic.twitter.com/zmAgrAsYilWhen using GPT-5.5, it is instantly noticeable how much more powerful it is. In Codex, I gave it a very complex prompt to create London Toy Railway with landmarks and seasons – it did an excellent job in one shot. In the second half of the video you see GPT-5.4 – it was also