OpenAI launches GPT-5.5 Instant, which it says is smarter, with more accurate and personalized responses, replacing GPT-5.3 Instant as ChatGPT's default model (OpenAI)

Techmeme ·

OpenAI launches GPT-5.5 Instant as ChatGPT's new default model, replacing GPT-5.3 Instant with claims of improved accuracy, personalization, and reduced hallucinations.

Categories: Model Releases, Products to Try

Excerpt

<a href="https://openai.com/index/gpt-5-5-instant/"><img align="RIGHT" border="0" hspace="4" src="http://www.techmeme.com/260505/i34.jpg" vspace="4" /></a> <p><a href="https://www.techmeme.com/260505/p34#a260505p34" title="Techmeme permalink"><img height="12" src="http://www.techmeme.com/img/pml.png" style="border: none; padding: 0; margin: 0;" width="11" /></a> <a href="https://openai.com/">OpenAI</a>:<br /> <span style="font-size: 1.3em;"><b><a href="https://openai.com/index/gpt-5-5-instant/">OpenAI launches GPT-5.5 Instant, which it says is smarter, with more accurate and personalized responses, replacing GPT-5.3 Instant as ChatGPT's default model</a></b></span>&nbsp; &mdash;&nbsp; We're updating ChatGPT's default model, available to everyone, to be smarter and more accurate, with clearer, more concise answers that feel better tailored to you.</p>