Models & Labs
OpenAI launches GPT-5.5 'Spud', surpasses Claude
The Rundown AImedium confidence
Why it matters
- →This release signifies a competitive shift in the AI model landscape, impacting developers and businesses relying on AI technologies.
OpenAI has released its new model, GPT-5.5, codenamed 'Spud', which has achieved high benchmark scores and overtaken Anthropic's Claude in performance. The model is designed to be more efficient and cost-effective compared to its competitors.
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
- 1OpenAI Releases GPT 5.4 Thinking
AI Explained · March 6, 2026 · Related
- 2OpenAI Releases GPT-5.4 and GPT-5.3 Instant
Lev Selector · March 6, 2026 · Same story
- 3OpenAI Unveils New Spud AI Model
AI Explained · March 26, 2026 · Related
- 4OpenAI Launches GPT-5.4-Cyber for Cyber Defense
The Rundown AI · April 15, 2026 · Related
- 5OpenAI releases GPT Image 2.0
Wes Roth · April 22, 2026 · Related
- 6OpenAI's GPT-5.5 Powers NVIDIA's Codex Application
NVIDIA Blog · April 23, 2026 · Related
- 7GPT-5.5 Launch Announced
Wes Roth · April 23, 2026 · Related
What happened next
- 8OpenAI Releases GPT-5.5 Instant
The AI Daily Brief · May 6, 2026 · Same story
- 9OpenAI Releases GPT-5.5 Instant
Matt Wolfe · May 8, 2026 · Related
- 10OpenAI Unveils GPT-5.6 with Enhanced Capabilities
OpenAI · July 9, 2026 · Related
- 11OpenAI unveils GPT-5.6 model family
TechCrunch AI · July 9, 2026 · Same story
- 12OpenAI Releases GPT-5.6 with Enhanced Capabilities
Matt Wolfe · July 11, 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 (This article)↳ 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 - 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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