Fast, affordable everyday model for chat, summaries and quick answers.
Model availability and access depend on your workspace and plan.
About the model
Fast, affordable everyday model for chat, summaries and quick answers.
What you get back. The response appears directly in your Relam chat, where you can continue the conversation.
Capabilities & limits
Ask questions, give instructions and continue with follow-up messages in a conversation.
Work on written drafts, revisions and wording through conversational instructions.
Ask the model to examine supplied information and develop a written analysis.
Use the model for code-focused questions and programming tasks. Review generated code before using it.
The catalogue lists image understanding as a supported model capability. Available attachment controls depend on your workspace.
GPT-5.4 Mini has a 400,000-token context window. This is the model’s capacity for the text it considers in a request, including prompts and conversation context. Tokens are pieces of text, rather than a word or page count. The amount of context sent by your workspace can be lower.
Questions & answers
The catalogue sets a maximum output of 128,000 tokens for GPT-5.4 Mini. This is the response budget, distinct from its context window. Responses can be shorter depending on your request and the limits applied by your workspace.
GPT-5.4 Mini is listed as a reasoning-capable model. Its configured reasoning levels are none, low, medium, high, xhigh. The default level is medium. Available controls depend on your workspace.