o3
JSON →OpenAI's next-generation reasoning model with advanced chain-of-thought and multimodal capabilities.
Specs
context window 200K tokens
max output 100K tokens
input price $2 / 1M tokens
output price $8 / 1M tokens
Capabilities
reasoningcode-generationtool-usejson-modestreamingfunction-callingvisionprompt-caching
Dates
releasedAug 2025
knowledge cutoffJun 2025
Resources
API
full doc /v1/models/o3