GPT 5.4
OpenAI's frontier model with advanced reasoning and broad multimodal capabilities.
GPT 5.4 is a cloud text model from OpenAI. It takes a text prompt and replies with generated text. Its context window handles up to 1.05M input tokens and up to 128K output tokens, and it supports adjustable reasoning effort for harder problems. It runs through Replicate using your own API key, from $2.50 per million input tokens.
- Pricing
- $2.50 / 1M in · $15.00 / 1M out
- Context window
- 1.05M in · 128K out
- Reasoning
- Adjustable effort
OpenAI
OpenAI builds GPT, DALL·E, the Sora family, and the open-weight gpt-oss models, and has been a central force behind the modern wave of generative AI.
openai.com ↗Examples
Sample outputs generated with GPT 5.4 will appear here.