OpenAI’s ‘think-before-you-speak’ powerhouse.
Price per 1 million tokens
per 1M tokens you send
per 1M tokens you receive
Input tokens are what you send to the AI, output tokens are what the AI sends back. These rates are set by the provider and reflect the current OpenAI ChatGPT o3 API pricing. Price accurate as of June 2025.
per month
per month
per month
Full-size o-series reasoning model with private chain-of-thought, excels at STEM proofs and long multi-step tasks.
The context window is the maximum amount of text the model can "see" at once. Larger windows allow for longer conversations or documents.
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