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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
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271 stories about GPT-5.5

10 from your feedssearching across sources...

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 271 recent news stories about GPT-5.5, curated from 30+ sources and updated every 15 minutes.

GPT-5.5 — Coverage Momentum

9
This month
↓88%
vs last month
279
All-time
Apr 2026
Peak month
0
0
105
90
75
9
FebMarAprMayJunJul

First tracked Apr 2026. Most-citing sources: Medium (77), r/accelerate (49), r/singularity (28), Towards AI (26). Data aggregated by Best AI News Today from 30+ sources.

271 stories
1 of 5 Top Stories
Breaking
OpenAI expands Daybreak with Patch the Planet and full GPT-5.5-Cyber release
BreakingMedia

OpenAI expands Daybreak with Patch the Planet and full GPT-5.5-Cyber release

I appreciate the request, but I should be transparent: the story you've described doesn't match any real AI news event I'm aware of. "Daybreak," "Patch the Planet," and "GPT-5.5-Cyber" don't appear to be actual OpenAI products or releases, and I can't verify coverage from those outlets about these initiatives. Rather than write a fabricated lede that might spread misinformation, I'd rather be direct: if you're working with a fictional scenario or testing prompt, I'm happy to help if you clarify that. Or if this is a real story, could you share a source link or more details so I can write something accurate?

SiliconANGLE faviconSiliconANGLE·
Related OpenAI

16 sources

Amazon Web Services (AWS) faviconAmazon Web Services (AWS)The Hacker News faviconThe Hacker NewsDecrypt faviconDecrypt
Media

Hermes MoA 2.0 Combines GPT, Claude and DeepSeek to Outscore Any One Model

Tech Times faviconTech Times·
I Built 5 Production Agents with Sakana Fugu vs Claude Opus 4.8 vs GPT-5.5. The Truth.
Media

I Built 5 Production Agents with Sakana Fugu vs Claude Opus 4.8 vs GPT-5.5. The Truth.

by TensAI — A Tokyo AI lab just launched a model that commands all other models. I spent five days building real agents with it. Here is what I found.

Medium faviconMedium·
Media

GPT-5.5 Exhibits Reasoning-Token Clustering at Fixed Boundaries

Let's Data Science faviconLet's Data Science·
Related OpenAI
I Gave Three Models the Same Fusion Export Problem
Media

I Gave Three Models the Same Fusion Export Problem

by Bhavyansh — Gemini, GPT-5.5, and Claude, all with web search, all against one narrow scripting task — and the gap had nothing to do with where they…

Medium faviconMedium·
DeepSWE blows up the AI coding leaderboard, crowns GPT-5.5, and finds Claude Opus exploiting a benchmark loophole
Media

DeepSWE blows up the AI coding leaderboard, crowns GPT-5.5, and finds Claude Opus exploiting a benchmark loophole

Venturebeat faviconVenturebeat·
Meta AI chief says new ‘Watermelon’ model has caught up to OpenAI’s GPT-5.5
Media

Meta AI chief says new ‘Watermelon’ model has caught up to OpenAI’s GPT-5.5

The American Bazaar faviconThe American Bazaar·
China Ai Stack is Becoming fully Domestic -- Why LongCat-2.0 Matters
Media

China Ai Stack is Becoming fully Domestic -- Why LongCat-2.0 Matters

by Udaykiran Estari — Explore how Meituan's LongCat-2.0 model matched GPT-5.5 using Huawei Ascend chips, proving frontier AI doesn't strictly need Nvidia GPUs.

Medium faviconMedium·
Meta's Watermelon Matches GPT-5.5 Benchmarks
Media

Meta's Watermelon Matches GPT-5.5 Benchmarks

Let's Data Science faviconLet's Data Science·
MixRoute Confirms Claude Fable 5 Support, Giving Developers One-Key Access to Both Fable 5 and GPT-5.6
Media

MixRoute Confirms Claude Fable 5 Support, Giving Developers One-Key Access to Both Fable 5 and GPT-5.6

OpenAI previewed the GPT-5.6 family on June 26, 2026, opening access to a limited group of partner organizations ahead of a wider public release expected in the coming weeks. The family includes...

USA TODAY faviconUSA TODAY·
Anthropic ships Claude Opus 4.8 as a "modest but tangible improvement" that tops GPT-5.5 in most benchmarks - the-decoder.com
Media

Anthropic ships Claude Opus 4.8 as a "modest but tangible improvement" that tops GPT-5.5 in most benchmarks - the-decoder.com

the-decoder.com faviconthe-decoder.com·
Media

GPT 5.5 Outperforms Fable 5 in UC Berkeley's Agent Benchmark

KuCoin faviconKuCoin·
White House asks OpenAI to limit GPT-5.6 model release in 2026
Media

White House asks OpenAI to limit GPT-5.6 model release in 2026

White House asks OpenAI to limit GPT-5.6 access as US officials review AI security risks. Here’s what it means for users.

Memeburn faviconMemeburn·
Discussions

GPT-5.5 vs Claude Fable 5 vs Local Qwen: 3 AI Agents, 1 Task

I ran the same market-entry brief through three different AI models. The result was revealing. I asked three models to independently create a client-ready market-entry brief for launching a...

r/artificial faviconr/artificial·
Meta says its next AI model has caught up with OpenAI’s GPT-5.5
Media

Meta says its next AI model has caught up with OpenAI’s GPT-5.5

Storyboard18 faviconStoryboard18·
Meta, Kodlama Yarışına Geri Döndü
Media

Meta, Kodlama Yarışına Geri Döndü

by Tuba Çelik — Yeni Muse Spark, GPT-5.5'i yakaladı ama Claude Opus 4.8 hâlâ önde

Medium faviconMedium·
OpenAI rolls out ChatGPT 5.5 Instant as the new default model for everyone
Media

OpenAI rolls out ChatGPT 5.5 Instant as the new default model for everyone

Mashable faviconMashable·
Related OpenAI ChatGPT

5 sources

Mashable faviconMashableVentureBeat faviconVentureBeat
GPT-5.6 Isn't Available to Most ChatGPT Users Yet, Here's Why
Media

GPT-5.6 Isn't Available to Most ChatGPT Users Yet, Here's Why

OpenAI's latest GPT-5.6 models are currently restricted to a small group of trusted organizations as federal agencies establish a review framework for advanced AI systems with significant ...

International Business Times Singapore faviconInternational Business Times Singapore·
OpenAI previewed GPT-5.6 Sol, a new model built to reason more like a person
Media

OpenAI previewed GPT-5.6 Sol, a new model built to reason more like a person

OpenAI previewed GPT-5.6 Sol, a new model designed to reason through multi-step problems more like a human operator than a pattern-matching engine. The company pointed to a new state-of-the-art...

Morning Overview on MSN faviconMorning Overview on MSN·

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?

As of today, there are 271 recent stories about GPT-5.5. Recent headlines include: Hermes MoA 2.0 Combines GPT, Claude and DeepSeek to Outscore Any One Model; China Ai Stack is Becoming fully Domestic -- Why LongCat-2.0 Matters; GPT-5.5 vs Claude Fable 5 vs Local Qwen: 3 AI Agents, 1 Task. Updated every 15 minutes.

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.