Tripo AI 3D Generator
Mini toolsGPT 5.5 Instant
By OpenAI
Model family: GPT
GPT-5.5 Instant is OpenAI’s new daily-driver ChatGPT model, designed to make common interactions smarter, tighter, and more useful without adding extra verbosity. OpenAI says it produces 52.5% fewer hallucinated claims than GPT-5.3 Instant on high-stakes prompts, cuts inaccurate claims by 37.3% on difficult conversations flagged for factual errors, improves image-upload analysis and STEM answers, and uses past chats, files, and Gmail context more effectively for personalization when available.
New
Multimodal
Gen 3
Overview
GPT-5.5 Instant is OpenAI’s updated default ChatGPT model for fast everyday use. It is built for clearer, more concise, and more personalized responses, with better factual accuracy, stronger image understanding, improved STEM performance, and better judgment about when to use web search
About OpenAI
OpenAI is a technology company that specializes in artificial intelligence research and innovation.
Industry:
Artificial Intelligence
Company Size:
4500
Location:
San Francisco, California, US
Website:
openai.com
Benchmark scores
How GPT 5.5 Instant ranks on tracked AI benchmarks. Click any benchmark to see its full leaderboard.
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Last updated: May 6, 2026
