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OpenAI: o3 Pro
openai/o3-pro
VisionTool useJSONReasoningStreaming
The o-series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o3-pro model uses more compute to think harder and provide consistently...
Pricing
Input
$20.00 / 1M
Output
$80.00 / 1M
Specs
Context
200,000 tokens
Input
text, file, image
Output
text
Knowledge cutoff: 2024-06-30
Released: 2025-06
Supported parameters
include_reasoningmax_tokensreasoningresponse_formatseedstructured_outputstool_choicetools