GPT-5 mini

Name: GPT-5 mini
Brand: OpenAI
SKU: gpt-5-mini

GPT-5 Mini is a compact version of GPT-5, designed to handle lighter-weight reasoning tasks. It provides the same instruction-following and safety-tuning benefits as GPT-5, but with reduced latency and cost. GPT-5 Mini is the successor to OpenAI's o4-mini model.

gpt-5-mini

Open Relay View integration

relay/request.mjsready to route

const completion = await client.chat.completions.create({
  model: "gpt-5-mini",
  messages: [
    { role: "user",
      content: "Plan a multi-step task" }
  ]
});

CONTEXT128K contextprompt window

MAX OUTPUT16Kper response

INPUT$0.25 / Mtoken price

OUTPUT$2.00 / Mtoken price

Route configuration_

Choose a supported call format.

Select a format below to view its documentation. Use the displayed converter route when calling through PipeLLM.

ENDPOINThttps://api.pipellm.aiOne base URL for OpenAI Chat Completions, Responses, Anthropic, and Gemini.

SUPPORTED CALL FORMATS

OpenAI/openai/v1/chat/completionsDocs Responses/responses/v1/responsesDocs Anthropic/anthropic/v1/messagesDocs Gemini/gemini/v1beta/models/{model}:generateContentDocs Choose a call format to open its request and response documentation.

MODEL IDgpt-5-miniUse this in every request

GOVERNANCEPolicy controlledApprovals and tool rules apply

PROVIDER AVAILABILITY2 routes

Provider	Context	Max output	Discount	Input / M	Output / M
OpenAI	128K context	16K	—	$0.25 / M	$2.00 / M
Azure	128K context	16K	—	$0.25 / M	$2.00 / M

Displayed pricing is per one million tokens and may vary by provider.

SUPPORTED SURFACESactive

input: textoutput: texttool usecache control

Relay governs model access with the same routing policy that Lens keeps visible and auditable.