Another day, another new best model in the world… https://t.co/j2YWVZDw8g
— Matt Wolfe (@mreflow) 23 avril 2026
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 2026
Another day, another new best model in the world…

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Hello GPT-5.5!
— Romain Huet (@romainhuet) 23 avril 2026
Our best model yet is here. It’s smarter, faster, and gets more done.
I had the chance to capture first reactions from developers building with it: it writes better code, understands more complex tasks, and keeps going.
Can’t wait to see what you build with it! pic.twitter.com/k1w60WZeaD
Hello GPT-5.5! Our best model yet is here. It’s smarter, faster, and gets more done. I had the chance to capture first reactions from developers building with it: it writes better code, understands more complex tasks, and keeps going. Can’t wait to see what you build with it!

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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 5.5 rolling out in Codex w/ 1.5x fast mode ✨ pic.twitter.com/a52wsW43G0
— Vaibhav (VB) Srivastav (@reach_vb) 23 avril 2026
GPT 5.5 rolling out in Codex w/ 1.5x fast mode

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GPT-5.5 is a new class of intelligence.
— Greg Brockman (@gdb) 23 avril 2026
This intelligence makes it intuitive to use; it completes challenging tasks with little micromanagement. Also very token efficient, and runs with low latency and at scale.
A real step toward a new way of getting computer work done. https://t.co/xOHtb72h22
GPT-5.5 is a new class of intelligence. This intelligence makes it intuitive to use; it completes challenging tasks with little micromanagement. Also very token efficient, and runs with low latency and at scale. A real step toward a new way of getting computer work done.

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The model will be available to everyone starting today.

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Munich, we’re coming Join SambaNova and @InfercomAI for SambaHouse AI Demo Night. Live demos, lightning talks, and real conversations with builders working on open-source models and production inference. Details below https://
luma.com/ek3xaivq

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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

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it's pretty insane how token efficient GPT 5.5 – SOTA performance all with significantly lower output tokens!!

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In fact, scrolling down to the evaluation area, we see more benchmarks that would normally be up top, where in some cases Opus 4.7% outperforms the new model (forcing them to add a sympathetic footnote ). The model improves—without drastic jumps—in programming, office tasks,