Overview
GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads.
GPT-5.5 Pro is available in OmnyChat. 1,050,000 token context window. Image input. Reasoning mode.
Key capabilities
- 1,050,000 token context window
- Image input
- Reasoning mode
Using this model
In OmnyChat
Use GPT-5.5 Pro in OmnyChat and compare its results with other language models on the same task.
Best for: Chat and comparing answers on your own prompts.
Frequently asked questions
How do I use GPT-5.5 Pro?
Open chat in OmnyChat and select GPT-5.5 Pro. Model access and usage depend on your plan.
What does GPT-5.5 Pro support in OmnyChat?
1,050,000 token context window. Image input. Reasoning mode.