GPT 5 Mini is a text model by OpenAI. It supports chat, reasoning.
Model availability and access depend on your workspace and plan.
About the model
GPT 5 Mini is a text model by OpenAI. It supports chat, reasoning.
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.
GPT 5 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.
The catalogue sets a maximum output of 4,096 tokens for GPT 5 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 Mini is listed as a reasoning-capable model. Its configured reasoning levels are minimal, low, medium, high. The default level is medium. Available controls depend on your workspace.
Questions & answers