GPT-5 Mini
JSON →A compact and efficient GPT-5 variant optimized for low-cost inference and quick responses.
Specs
context window 272K tokens
max output 128K tokens
input price $0.25 / 1M tokens
output price $2 / 1M tokens
Capabilities
streamingjson-modefunction-callingcode-generationtool-usevisionprompt-cachingreasoning
Dates
releasedAug 2025
knowledge cutoffApr 2025
Resources
API
full doc /v1/models/gpt-5-mini