Models & Labs
OpenAI Launches GPT-5.5 as Advanced AI Model
AI Newshigh confidence
Why it matters
- →This advancement signifies a step towards more autonomous AI systems, which could enhance productivity in various applications.
OpenAI has released GPT-5.5, claiming it to be the most capable agentic AI model to date, designed for independent task execution. The model shows improved performance on various benchmarks compared to its predecessors.
Read originalThe story around this
Earlier coverage that leads up to this article, and what followed. Lines connect each piece to the closest one after it, converging here.
How we got here
- 1GPT-5.4 Model Tested and Compared
Skill Leap AI · March 5, 2026 · Related
- 2OpenAI Releases GPT-5.4 and GPT-5.3 Instant
Lev Selector · March 6, 2026 · Same story
- 3OpenAI Releases GPT-5.5 and ChatGPT Images 2.0
The AI Advantage · April 24, 2026 · Same story
What happened next
- 4OpenAI's GPT-5.6 Sol Model Released to Limited Partners
The Rundown AI · June 29, 2026 · Same story
- 5OpenAI Unveils GPT-5.6 with Enhanced Capabilities
OpenAI · July 9, 2026 · Same story
- 6OpenAI Launches GPT-5.6 with New Features
The Rundown AI · July 10, 2026 · Same story
- 7OpenAI Unveils GPT-5.6 with Sol Model
Fireship · July 10, 2026 · Same story
- 8GPT-5.6 Enhances AI Efficiency and Intelligence
OpenAI · July 29, 2026 · Same story
Follow this story
Open the full story →OpenAI's GPT-5.5 Testing Shows Promising Results
12 developments
- Apr 21 · Wes Roth
OpenAI's GPT-5.5 Testing Shows Promising Results - Apr 23 · Matthew Berman
OpenAI announces GPT-5.5 availability - Apr 24 · The Rundown AI
OpenAI launches GPT-5.5 'Spud', surpasses Claude↳ GPT-5.5 is codenamed Spud and surpasses Claude in performance. - Apr 24 · Matt Wolfe
OpenAI Announces GPT-5.5 Release - Apr 24 · The AI Daily Brief
Launch of GPT 5.5 Announced - Apr 24 · AI Explained
OpenAI Launches GPT-5.5 - Apr 24 · Lev Selector
GPT-5.5 Released with Mixed Reviews - Apr 24 · Matt Wolfe
GPT-5.5 Released for ChatGPT Users - Apr 25 · Matt Wolfe
GPT-5.5 Released with Major User-Friendly Updates - Apr 29 · AI News
OpenAI Launches GPT-5.5 as Advanced AI Model (This article) - Apr 30 · The Verge AI
OpenAI to Launch GPT-5.5-Cyber for Select Users↳ OpenAI launches GPT-5.5-Cyber for select users to enhance institutional defenses. - Apr 30 · TechCrunch AI
OpenAI limits access to GPT-5.5 Cyber tool
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