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. GPT-5 Mini is the successor to OpenAI's o4-mini model.

• Context window: 400,000 tokens
• Input: text, image, file
• Output: text
• Pricing: $0.25/M input tokens, $2/M output tokens

View on OpenRouter. Model data sourced from OpenRouter.