Overview
GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system.
GPT-5.4 is available in OmnyChat. 1,050,000 token context window. Image input.
Key capabilities
- 1,050,000 token context window
- Image input
Using this model
In OmnyChat
Use GPT-5.4 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-5.4?
Open chat in OmnyChat and select GPT-5.4. Model access and usage depend on your plan.
What does GPT-5.4 support in OmnyChat?
1,050,000 token context window. Image input.