Question 1

How much does o1 Pro cost?

Accepted Answer

o1 Pro costs $150 per 1 million input tokens and $600 per 1 million output tokens. This pricing is set by OpenAI.

Question 2

What tokenizer does o1 Pro use?

Accepted Answer

o1 Pro uses the o200k_base tokenizer. This is OpenAI's latest tokenizer, optimized for efficiency with a vocabulary of ~200,000 tokens.

Question 3

What is o1 Pro's context window?

Accepted Answer

o1 Pro supports a context window of 200K tokens (200,000 tokens). The maximum output length is 100K tokens.

Question 4

How does o1 Pro compare to other models?

Accepted Answer

You can compare o1 Pro's pricing and capabilities against other LLMs in the comparison table above, or visit the full pricing page for a side-by-side view of all models.

Question 5

How do I count tokens for o1 Pro?

Accepted Answer

Use the token counter at the top of this page or visit the homepage calculator. Paste your text and it will show the exact token count and cost for o1 Pro using the o200k_base tokenizer.

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