OpenAI teases GPT-5.5 model upgrade for ChatGPT in cryptic message Zac Hall | Apr 23 2026 - 8:35 am PT | Apr 23 2026 - 8:35 am PT OpenAI is expected to be nearing an announcement around GPT-5.5, its next model upgrade to ChatGPT. …
… GPT-5.4 mini is available starting today in ChatGPT, Codex, and OpenAI’s API. In ChatGPT, GPT‑5.4 mini is available to Free and Go users via the “Thinking” feature in the + menu. For all other users, GPT‑5.4 mini is available as a rate limit fallback for GPT‑5.4 Thinking. …
… OpenAI upgrades ChatGPT with GPT-5.4 Thinking, offering six key improvements OpenAI releases GPT-5.4 mini and nano, its ‘most capable small models yet’ OpenAI says to update Mac apps including ChatGPT and Codex as security precaution Do more with your Apple products Apple AirTag 2 | Add Find My tra…
… 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. …
OpenAI explains why ChatGPT developed a goblin fixation, and how it solved the issue Zac Hall | Apr 30 2026 - 9:27 am PT | Apr 30 2026 - 9:27 am PT OpenAI’s GPT-5.5 upgrade to ChatGPT and Codex appears to be going smoothly, especially compared to the rockier GPT-5.0 release last August. …
… Here’s a breakdown from OpenAI on the release availability: Today, GPT‑5.5 is rolling out to Plus, Pro, Business, and Enterprise users in ChatGPT and Codex, and GPT‑5.5 Pro is rolling out to Pro, Business, and Enterprise users in ChatGPT. We’ll bring GPT‑5.5 and GPT‑5.5 Pro to the API very soon. …
… GPT-5.5 Instant was adjusted a few weeks later to be “easier to read, more natural in everyday conversations, and better paced in practical help tasks, with fewer overly long or bullet-heavy responses.” Next, GPT-5.5 Instant is getting a new adjustment that OpenAI makes it “much more fun to talk to… …
… GPT-5.5 Instant model change OpenAI also recently updated how the GPT-5.5 Instant model works. This is the default model used for most prompts. GPT-5.5 Instant arrived on May 5 , offering smarter responses with fewer emoji characters. …
… More recent ChatGPT news: OpenAI upgrades ChatGPT and Codex with GPT-5.5: ‘a new class of intelligence for real work’ OpenAI unveils ChatGPT Images 2 image-gen model capable of magazine design OpenAI releases GPT-5.5 Instant update to make ChatGPT smarter with fewer emoji OpenAI brings Codex to Cha…
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