GPT-5.5
byOpenAI
GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...
Specifications
Technical details and pricing.
Benchmarks
7 benchmark scores from Artificial Analysis.
Composite Indices
Intelligence, Coding, Math
Standard Benchmarks
Academic and industry benchmarks
Frequently Asked Questions
What is GPT-5.5 good for?
Use GPT-5.5 for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does GPT-5.5 cost?
Pricing is based on usage. Current rates are $5.00/1M tokens for input and $30.00/1M tokens for output.
Can I try GPT-5.5 for free?
Yes. You can start a chat instantly and test the model before deciding on a plan.
Does GPT-5.5 support images or audio?
GPT-5.5 can understand images.
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Benchmarks and pricing are sourced from Artificial Analysis where available. OpenRouter specs are used as a fallback.