Modelso3-pro
o3-pro
by OpenAI
Premium
Complex reasoning, large context, state-of-the-art performance
Pricing
Input
$15.00
per 1M tokens
Output
$60.00
per 1M tokens
Cached
N/A
per 1M tokens
Note: Released June 2025. Highest reasoning capability
Context & Output
Context Window200K tokens
Max Output100K tokens
Latency
Slow (reasoning)
Capabilities
Multimodal
Streaming
Function Calling
Prompt Caching
Key Strengths
What makes this model stand out
Most capable reasoning
Math/science
PhD-level tasks
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