o3 Proon Krater.ai
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
Released June 10, 2025
Specifications
o3 Pro at a glance
Context
200K tokens
Max output
100K tokens
Input
Text, File, Image
Output
Text
Input price
$20.00 / 1M
Output price
$80.00 / 1M
Knowledge cutoff
2024-06-30
Capabilities
What it is good at
Catalog capabilities
- Accepts image input
- Generates text responses
- Supports tool calling
- Supports structured outputs
Good for
Compare
Compare o3 Pro
o3 Pro vs GPT-5.4 Pro
GPT-5.4 Pro is OpenAI's most advanced model, building on GPT-5.4's unified architecture with enhanced reasoning capabilities for complex, high-stakes tasks.
Open comparisono3 Pro vs GPT-5 Pro
GPT-5 Pro is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience.
Open comparisono3 Pro vs o1-pro
The o1 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning.
Open comparisonFAQ
Questions about o3 Pro
Clear answers based on the model catalog and Krater access.
Use o3 Pro in your API
Connect with Krater's unified API.