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On Wednesday, the AISI, which evaluates AI models for the British government, said both Anthropic’s Claude Mythos Preview and OpenAI’s GPT-5.5 showed progress well above previous trends on cybersecurity testing. …
ChatGPT's new default model is more factual and better at personalization By Igor Bonifacic May 5, 2026 1:59 pm EST Hot on the heels of its recent GPT-5.5 release , OpenAI is updating ChatGPT's default model to GPT-5.5 Instant. …
… GPT-5.5 Instant is the new default ChatGPT model GPT-5.5 Instant arrives on May 5 5/5 , which is two months since the last version upgrade to GPT-5.3 Instant on March 3. …
Google updates best AI models for coding Android apps, Gemini & GPT 5.4 at the top Ben Schoon | Apr 9 2026 - 10:05 am PT | Apr 9 2026 - 10:05 am PT The “Android Bench” for ranking AI models used in Android app development has been updated, with OpenAI’s latest model now tied with Gemini for the top… …
GPT-5.5 Instant Update; ChatGPT Canvas Discontinued; o3 and GPT 4.5 Retiring
Sharing a small Mac app I built around OpenAI’s gpt-realtime-2 model. You call up a voice coding agent and talk to it like you’d talk to a freelancer ("make the hero tighter, put a product image on the right, that one's …
Paperless-ngx is undoubtedly one of the most important and useful containers in my self-hosted stack. I have a modest collection of documents, ranging from receipts, to pay-stubs, certificates, notices, IDs, etc. While i…
Firstly, apologies, it's not free. It would be difficult to support this for free, it's a paid game.I will now share the technical details, which will probably be most of interest for HN readers.I previously made a carbo…
Hey HN, we’re Shalin & Kanyes, best friends who've been hacking together for 10+yrs, and now founders of Hyper (https://heyhyper.ai/). Hyper is a shared “company brain” that plugs into information flowing inside a compan…
… Hallucinations have been an ongoing problem for AI models, but OpenAI says its new GPT-5.5 Instant model has “significant improvements in factuality across the board.” The company claims that, based on “internal evaluations,” GPT-5.5 Instant produced “52.5% fewer hallucinated claims” than its Insta… …
… All ChatGPT models are being updated with memory sources, which will show users the past chats, files, and other context that ChatGPT used to generate a response. GPT-5.5 Instant is rolling out today to all ChatGPT users, and it is replacing GPT-5.3 Instant as the default model. …
On Tuesday, OpenAI released a new foundation model called GPT-5.5 Instant, which will replace GPT-5.3 Instant as the default ChatGPT model. …
… Workspace agents replace Custom GPTs Last year, OpenAI introduced the ability for anyone to create a custom GPT through ChatGPT. Custom GPTs are dedicated tools that you create inside ChatGPT for specific purposes. Since launching, however, custom GPTs haven’t been a key feature within ChatGPT. …
… We will deprecate the following models across all GitHub Copilot experiences including Copilot Chat, inline edits, ask and agent modes, and code completions , with the exception of GPT-5.2 in Copilot Code Review, on June 5th, 2026: Model Deprecation date Suggested alternative GPT-5.2 6-05-2026 GPT-… …
