OpenAI: GPT-5 Mini

openai/gpt-5-mini

Created Aug 7, 2025400,000 context

$0.25/M input tokens$2/M output tokens$10/K web search

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.

OpenAI: GPT-5 Mini

openai/gpt-5-mini

Created Aug 7, 2025400,000 context

$0.25/M input tokens$2/M output tokens$10/K web search

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.

Recent activity on GPT-5 Mini

Total usage per day on OpenRouter

Prompt

13.5B

Reasoning

897M

Completion

512M

Prompt tokens measure input size. Reasoning tokens show internal thinking before a response. Completion tokens reflect total output length.