GPT-5.5 — AI News Today

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OpenAI's GPT-5.5 — the default ChatGPT model (Instant), with Pro and Thinking variants for paid plans. Lower hallucination in law, medicine and finance, and stronger STEM reasoning. A GPT-5.5-Cyber variant targets cybersecurity.

openai.com/index/introducing-gpt-5-5

190 stories about GPT-5.5

10 from your feeds18 from search

About GPT-5.5

GPT-5.5 is a large language model by OpenAI. OpenAI's GPT-5.5 — the default ChatGPT model (Instant), with Pro and Thinking variants for paid plans. Lower hallucination in law, medicine and finance, and stronger STEM reasoning. A GPT-5.5-Cyber variant targets cybersecurity. This page tracks 190 recent news stories about GPT-5.5, curated from 30+ sources and updated every 15 minutes.

GPT-5.5 — Coverage Momentum

28
This month
↓69%
vs last month
223
All-time
Apr 2026
Peak month
0
0
0
105
90
28
JanFebMarAprMayJun

First tracked Apr 2026. Most-citing sources: Medium (59), r/accelerate (40), r/singularity (26), Towards AI (19). Data aggregated by Best AI News Today from 30+ sources.

190 stories

Frequently Asked Questions

What is GPT-5.5?

GPT-5.5 is OpenAI's GPT-5.5 — the default ChatGPT model (Instant), with Pro and Thinking variants for paid plans. Lower hallucination in law, medicine and finance, and stronger STEM reasoning. A GPT-5.5-Cyber variant targets cybersecurity.

Where can I access GPT-5.5?

GPT-5.5 is available at https://openai.com/index/introducing-gpt-5-5/. It's developed by OpenAI.

What is the latest news about GPT-5.5?
What other LLM AI models are there?

GPT-5.5 is part of the LLM model category. Browse all comparable AI llm models with live news mentions and benchmarks.