OpenAI

GPT-5 Mini

openai/gpt-5-mini

JSON

Specification

Published by the vendor; the platform bills at the target's declared price.

GPT-5 Mini

reasoning tools

OpenAI openai/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....

Input $/1M: $0.25
Output $/1M: $2.00
Context: 400K
Max output: 128K
Released: Aug 7, 2025
Modalities: textimagefile

Intelligence index-

Coding index16

Agentic index-

Cached input reads $0.03 per 1M

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targets.yamlyaml

# targets.yaml - declare a target that runs GPT-5 Mini
targets:
  - id: gpt-5-mini
    kind: llm
    name: GPT-5 Mini
    metadata:
      model: openai/gpt-5-mini          # links the target to this catalogue entry
    capabilities:
      domains: [general]
      supports_tools: true
      context_window: 400000
    cost:
      usd_per_1k_tokens: 0.001125

Price among OpenAI models

Input list price per million tokens; GPT-5 Mini is the 5th cheapest of 13 listed.

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