overview
Overview
GPT 5.5 is OpenAI's flagship large language model, built for complex agentic tasks, multi-step workflows, and general intelligence across various modalities.
AI Tool
GPT 5.5
GPT 5.5 is OpenAI's flagship large language model, built for complex agentic tasks, multi-step workflows, and general intelligence across various modalities.
shipped May 29, 2026freemium
Domain rating93Monthly visits13.8M/mo
Why it matters
1ai
About GPT 5.5
Pricing Plans
Plus
$20/mo
- • Access to GPT-5
- • Faster response times
- • Priority access during peak times
Pro
$50/mo
- • All Plus features
- • Advanced features for developers
- • Increased usage limits
Business
Custom pricing / annual
- • All Pro features
- • Dedicated support
- • Custom integrations
Enterprise
Custom pricing / annual
- • All Business features
- • Enhanced security and compliance
- • Custom SLAs
Leadership
Elon MuskCo-founder
Sam AltmanCo-founder
Greg BrockmanCo-founder
Investors
Y Combinator, Microsoft, Khosla Ventures
Screenshots
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